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Reviewed on May 18, 2018 , Adam Babcock, Eric Bousquet, Ian Cumming, Yannick Khong

TCL 6 Series 2018 R617
TV REVIEW

Usage Ratings - Version 1.2

Test Benches: test

  • 1.2: Winter 2018
  • 1.1: Summer 2017
  • 1.0: Winter 2015
  • 0.9: Winter 2014
  • 0.8: Winter 2013
7.9
Mixed Usage
What it is General purpose. The TV will be used for a variety of content and usages. Movies at night, TV shows during the day, video games from time to time, etc.
Score components:
Recommended if under (USD)
What it is: Maximum price to be a better value than its competitors.
How to use it: This product is the best choice in its range if you can find it below this price.
Automatically calculated every hour based on the scores and prices of all other products we've tested.
: $720
Value for price beaten by
What it is: Product with the best value in this price range
Other best choice in a cheaper price range
Other best choice in a pricier price range
Automatically updated every hour based on the scores and prices of all other products we've tested.
: none
8.0
Movies
What it is Movies in the dark. The TV will be used for watching movies in a controlled environment, directly in front, in a home theater way. Mostly only high quality content, like Blu-rays, UHD Blu-rays, streaming and a little bit of HDR.
Score components:
7.6
TV Shows
What it is TV Shows in a bright living room. The TV will be used in to watch TV shows, in a bright room during the day, from multiple viewing positions at different angles. The content watched has an average quality: cable, streaming, SD channels, etc.
Score components:
7.5
Sports
What it is Sports in a living room. The TV will be used to watch sports during the day, like football or hockey. Usually watched with a group, so from multiple viewing position.
8.6
Video Games
What it is Video games. The TV will be used to play video games, directly in front, in a controlled light environment. Usually fast games, like online FPS, where motion blur and input lag is important.
8.1
HDR Movies
What it is HDR Movies and TV shows. The TV will be used to watch 4k UHD HDR content, with a wide color gamut and a high peak brightness. Either via UHD Blu-rays or HDR streaming.
8.4
HDR Gaming
What it is HDR Gaming. The TV will be used to play HDR video games using consoles that support it or on current generation gaming PCs. Xbox One S, PS4 Pro, GTX 10 series and AMD RX series graphics cards.
8.1
PC Monitor
What it is PC Monitor. The TV will be used as a PC monitor, from 2-3 feet away, either for productivity purposes or gaming. Sharp text is important, as well as a high resolution.
Score components:
Type : LED
Sub-Type
What it is: Type of display technology used by the TV.
When it matters: Different technologies have different performance and are suited to different uses
Good value: IPS maintains good color accuracy at an angle, but has a poor contrast ratio from in front. VA has great picture quality in front, but loses saturation at an angle. OLED maintains good color accuracy at an angle without any of the other issues seen with IPS and VA, as they keep good brightness and contrast at an angle.
:
VA
Resolution : 4k

The TCL 6 Series (R617/R615) is a very good 4k TV for a wide range of usages. It has good dark scene performance due to the full-array local dimming and high native contrast so blacks appear deep even in a dark room. It is also great for HDR, as it has a great brightness. Although it can produce a wider color gamut than Rec. 709, it isn't as wide as other great HDR TVs. It also has an excellent low input lag for gamers, and unlike last year's TCL P607 it can flicker the backlight to clear up fast motion and interpolate low frame rate content.

The TCL 6 Series is also known as the R615 or R617 depending on the manufacturer variant.

Pros
  • Very bright in HDR and SDR
  • Excellent low input lag for gaming
  • Good local dimming and native contrast produce deep blacks
Cons
  • Picture quality degrades at an angle
  • Uniformity could be better

Test Results
Design 7.0
Picture Quality 7.9
Motion 7.9
Inputs 9.2
Sound Quality 5.8
Smart Features 7.7

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7.0

Design

Score components: Subjectively assigned
TCL R617 Design Picture
Curved : No

The design of the TCL 6 Series is decent, similar to most TCL TVs we have tested. The stand is wide but very stable, and the TV feels slightly bulky due to the square design of the TV's bezel. It will not stand out as a premium TV but is quite functional.

Stand
TCL R617 Stand Picture

Like most TCLs, the R617 has a stand that is nearly the full width of the TV. You will need a very wide table to put it on. It is made from metal and feels strong and sturdy. This change in material is nice from the plastic feel of older TCL models.

Footprint of the 55" TV stand: 47.8" x 10.6"

The legs can also be reversed, in which case the stand measures 28.5" x 10.6".

Back
TCL R617 Back Picture
Wall Mount : Vesa 200x200

The rear of the TV is simple. The top half is metallic and the body is plastic.

There is no cable management, so it can look a bit messy for those who enjoy clean setups with hidden cables.

Borders
TCL R617 Borders Picture
Borders : 0.47" (1.2 cm)

The borders of the TCL 6 Series look decent. They are metallic and have the same finish as the stand legs.

Thickness
TCL R617 Thickness Picture
Max Thickness : 2.95" (7.5 cm)

The TCL 6 Series is comprised of two sections: the electronics compartment and the panel section which is square and has a bulky feel to it. Even though the overall thickness is not bad, it will stick out a little if wall mounted

Temperature
TCL R617 Temperature picture
Maximum Temperature
What it is: The peak temperature found on the TV.
When it matters: If the TV is placed in an enclosed space.
Good value: <35°C
Noticeable difference: 5°C
:
95 °F (35 °C)
Average Temperature
What it is: The average temperature measured on the TV.
When it matters: If the TV is placed in an enclosed space.
Good value: <35°C
Noticeable difference: 5°C
:
84 °F (29 °C)

The TCL 6 Series stays quite cool. In fact, it scored one of the lowest average temperatures of the TVs we tested in 2017-8.

It has two big vents, one on the bottom and one in the back allowing the temperature on the screen to be fairly uniform.

7.0 Build Quality
TCL R617 Build quality picture

The build quality of the TCL 6 Series feels decent. There are no loose panels or gaps, and the TV seems to have a solid construction.

We have received many reports of varying gray uniformity issues between units, which may be indicative of the build quality or quality control.

7.9

Picture Quality

The TCL 6 Series has very good picture quality. The native contrast is excellent, and it has a decent local dimming feature that can further boost the black levels. While blacks aren't as deep as the P607, this is still a great TV for dark room viewing. The TV is much brighter than last year's P607, this is especially noticeable in HDR. Gray uniformity is decent, but we have received reports from many people with much worse uniformity. Like the P607, the viewing angle is bad. Out of the box, colors have good accuracy, and the calibration is easy and fast with the TCL app. Decent color volume, but deep dark colors aren't displayed very well.

8.9 Contrast
What it is: Brightness difference between white and black. This is the main component of picture quality.
When it matters: Always, but especially when watching dark scenes.
Score components:
TCL R617 Checkerboard Picture
Native Contrast
What it is: Ratio of the white brightness divided by the blacks measured on our checkerboard test pattern with a white target of 100 cd/m².
When it matters: Dark scenes in a dark room.
Good value: > 3,000
Noticeable difference: 500
:
5182 : 1
Contrast with local dimming
What it is: Ratio of the white brightness divided by the blacks measured on our checkerboard test pattern with local dimming turned on (maximum) with a white target of 100 cd/m².
When it matters: Dark scenes in a dark room.
Good value: > 3,000
Noticeable difference: 500
:
6052 : 1

The TV has amazing contrast. It matches many of the high end TVs we have tested. Although it does not reach the contrast levels of the TCL P607/605 models it certainly follows their legacy of excellent contrast.

The contrast increases with local dimming since the full array panel manages to darken the blacks without sacrificing much brightness. This is great for dark room performance.

6.0 Local Dimming
What it is: The lights behind the LCD layer adapt to the picture displayed, improving the contrast ratio.
When it matters: Dark scenes viewed in a dark room.
Score components: Subjectively assigned
Local Dimming
What it is: Whether it has a feature that controls the LEDs behind the LCD layer, to match the picture and darkens the dark portion of it.
When it matters: On LED TVs only. Dark scenes viewed in a dark room.
:
Yes
Backlight
What it is: Configuration of the lights of the backlight.
When it matters: Effectiveness of the local dimming.
Good value: Full-array/direct lighting is better for local dimming. As for the uniformity of the screen, it depends on the implementation. Some edge-lit TVs have more uniform blacks than some full-array TVs.
:
Full-Array

The local dimming on the TCL R615/617 series is decent, and it can produce deeper dark scenes which is very noticeable especially when viewed in a dark room.

On the other hand, there is some obvious clouding around the moving objects. This is because of the inherent limitations of FALD technology and should not worry most people.

Update: The text has been updated to better explain why we see some clouding.

8.9 SDR Peak Brightness
What it is: How bright the screen can get. Measured with local dimming and with SDR content.
When it matters: Bright living rooms; bright objects; SDR content.
SDR Real Scene Peak Brightness
What it is: The maximum luminosity the TV can obtain while playing a movie or while watching a TV show. Our Real Scene was selected to represent a more regular movie condition. All measurements are made with the TV set to be as bright as possible, but with a 6500k white. Measured with local dimming on, max backlight and with an SDR signal. Scene: here.
When it matters: When watching movies and TV shows in SDR.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
713 cd/m²
SDR Peak 2% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 2% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright highlights, present on screen for a short time
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
899 cd/m²
SDR Peak 10% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 10% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright objects, present on screen for a short time
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
1000 cd/m²
SDR Peak 25% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 25% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
1169 cd/m²
SDR Peak 50% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 50% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
874 cd/m²
SDR Peak 100% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 100% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
672 cd/m²
SDR Sustained 2% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 2% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright highlights, persistent during a scene.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
894 cd/m²
SDR Sustained 10% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 10% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: Bright objects, persistent during a scene.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
998 cd/m²
SDR Sustained 25% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 25% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
1161 cd/m²
SDR Sustained 50% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 50% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
868 cd/m²
SDR Sustained 100% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 100% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over SDR signal.
When it matters: When watching in a bright room.
Good value: > 300 cd/m²
Noticeable difference: 30 cd/m²
:
670 cd/m²
SDR ABL
What it is: The coefficient of variation of the SDR sustained brightness, after linearizing for noticeable differences in luminosity
When it matters: Content with large bright areas, such as for PC or video game use, and sports such as hockey
Good value: <0.07
Noticeable difference: 0.01
:
0.027

Great SDR peak brightness, it performs well in a bright room. The TV boosts the bright sections of the screen when other areas are dimmer. This is shown by how the smaller window tests are brighter than the larger ones.

This is an improvement from last year's TCL P605/607 and it is much better than the brightness of competing TVs like the Samsung NU7100 and Vizio M Series 2017.

8.7 HDR Peak Brightness
What it is: How bright the screen can get. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright living rooms; bright objects; HDR content.
HDR Real Scene Peak Brightness
What it is: The maximum luminosity the TV can obtain while playing a movie or while watching a TV show. This scene was selected to represent a more realistic movie condition. All measurement are made with the TV set to be as bright as possible, but with a 6500k white. Measured with local dimming, max backlight and over HDR signal. Scene: here.
When it matters: When watching movies or watching TV show in HDR.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
840 cd/m²
HDR Peak 2% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 2% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright highlights, present on screen for a short time; especially for HDR content.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
908 cd/m²
HDR Peak 10% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 10% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright objects, present on screen for a short time; especially for HDR content.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
1009 cd/m²
HDR Peak 25% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 25% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright rooms; bright objects in HDR video.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
1173 cd/m²
HDR Peak 50% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 50% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright rooms.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
879 cd/m²
HDR Peak 100% Window
What it is: The maximum luminosity, even if only maintained for a short time, of a white square covering 100% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright rooms.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
674 cd/m²
HDR Sustained 2% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 2% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright highlights, persistent throughout a scene; especially for HDR content.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
903 cd/m²
HDR Sustained 10% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 10% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright objects, persistent throughout a scene; especially for HDR content.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
1006 cd/m²
HDR Sustained 25% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 25% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright rooms; bright objects in HDR video.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
1165 cd/m²
HDR Sustained 50% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 50% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright rooms.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
871 cd/m²
HDR Sustained 100% Window
What it is: The lowest maximum luminosity (usually after it has stabilized) of a white square covering 100% of the screen, with the TV set to be as bright as possible. Measured with local dimming and over HDR signal (if supported).
When it matters: Bright rooms.
Good value: > 550 cd/m²
Noticeable difference: 80 cd/m²
:
673 cd/m²
HDR ABL
What it is: The coefficient of variation of the HDR sustained brightness, after linearizing for noticeable differences in luminosity
When it matters: HDR content with large bright areas, such as HDR gaming
Good value: <0.07
Noticeable difference: 0.01
:
0.027

The TCL R617/615 has great HDR peak brightness. Bright highlights in HDR content will be shown fairly bright, very close to the level of 1000-4000 cd/m² they're intended to be.

Overall the HDR brightness is much better than last year's TCL P605/607 which is great.

6.3 Gray Uniformity
What it is: Evenness of colors onscreen (not just gray).
When it matters: Solid colors. Sports, panning shots.
Score components:
TCL R617 50% Uniformity Picture
50% Std. Dev.
What it is: Average squared difference of pixels when displaying a mid 50% gray.
When it matters: Solid colors. Sports, panning shots.
Good value: < 2.5%
Noticeable difference: 1%
:
4.670 %
50% DSE
What it is: High-frequency variance of uniformity. Dark spots on the screen.
When it matters: Solid colors. Sports, panning shots.
Good value: < 0.165%
Noticeable difference: 0.025%
:
0.229 %
TCL R617 5% Uniformity Picture
5% Std. Dev.
What it is: Average squared difference of pixels when displaying a mid 5% gray.
When it matters: Dark scenes.
Good value: < 1.15%
Noticeable difference: 1%
:
1.797 %
5% DSE
What it is: High-frequency variance of uniformity. Dark spots on the screen.
When it matters: Dark scenes.
Good value: < 0.116%
:
0.127 %

The gray uniformity of our TCL 55R617 is decent. Especially in the 50% image, clouding is present and there is some dirty screen effect, this is especially noticeable when there is a panning shot during sports.

Uniformity is better in the 5% image although the uniformity remains average. These are similar results to previous TCL models, but lower than the score of the Vizio M Series 2017 or the Sony X720E.

We have received many reports of gray uniformity issues with the TCL 6 Series. The results of our TV seem typical of this model, but many people have received TVs with worse uniformity. Gray uniformity results will vary from unit to unit.

4.0 Viewing Angle
What it is: Color accuracy when viewed from the side.
When it matters: Large living rooms with multiple viewing positions.
Score components:
TCL R617 Color Shift Picture
Color Shift
What it is: Angle where the colors noticeable shift compared to when viewed from directly in front of the TV. 0 ° means directly facing the TV. Measurements are up to a maximum of 75 °.
When it matters: Large living rooms with multiple viewing positions.
Good value: > 50°
Noticeable difference: 10°
:
17 °
TCL R617 Brightness Picture
Brightness
What it is: Angle where the brightness drops to 50% of the brightness directly in front of the TV. 0 ° means directly facing the TV. Measurements are up to a maximum of 75 °.
When it matters: Large living rooms with multiple viewing positions.
Good value: > 50°
Noticeable difference: 10°
:
29 °
TCL R617 Black Level Picture
Black Level
What it is: Angle where the black level drops to 50% of the black level directly in front of the TV. 0 ° means directly facing the TV. Measurements are up to a maximum of 75 °.
When it matters: Large living rooms with multiple viewing positions.
Good value: > 50°
Noticeable difference: 10°
:
11 °

The viewing angle is poor. Blacks and colors shift rapidly as you move away from the front, and the brightness drops quickly as the angle increases a few degrees.

As with most TCLs we have reviewed it is most suitable for a narrow viewing environment.

The Sony X720E is a better choice for a wide viewing angle.

7.8 Black Uniformity
What it is: Evenness of blacks.
When it matters: Dark scenes viewed in a dark room.
Score components:
TCL R617 Native Black Uniformity Picture
Native Std. Dev.
What it is: Average of the squared difference of the blacks.
When it matters: Dark scenes viewed in a dark room.
Good value: < 1%
Noticeable difference: 1%, but keep in mind that it varies a lot by unit, even of the same model; yours likely will not end up exactly like ours.
:
1.006 %
TCL R617 Black Uniformity Picture with Local Dimming
Std. Dev. w/ L.D.
What it is: Average of the squared difference of the blacks with Local Dimming enabled
When it matters: Dark scenes viewed in a dark room.
Good value: < 1%
Noticeable difference: 1%, but keep in mind that it varies a lot by unit, even of the same model; yours likely will not end up exactly like ours.
:
0.746 %

The black uniformity of the TCL 6 Series is good. Although there is some clouding in the native black uniformity, the performance improves when local dimming is enabled. This reduces clouding only around the test cross.

7.5 Reflections
What it is: How much light is reflected by the TV.
When it matters: Bright rooms.
Score components:
TCL R617 Reflections Picture TCL R617 Average Room Off Picture TCL R617 Bright Room Off Picture
Screen Finish
What it is: Type of coating on the screen.
When it matters: Bright objects in the direct reflection path (for example, opposite the TV).
Good value: Glossy is good for ambient light, but not for direct reflections.
:
Semi-gloss
Total Reflections
What it is: The amount of light which is reflected off the screen, in all directions.
When it matters: When watching TV in a bright room, with lamps, windows or walls which reflect directly off the screen.
Good value: 4.5 %
Noticeable difference: 0.5 %
:
5.7 %
Indirect Reflections
What it is: The amount of light reflected off the screen, ignoring direct (mirror-like) reflections
When it matters: Watching TV in a bright room, without sunlight or lamps directed at the TV
Good value: 1.0 %
Noticeable difference: 0.5 %
:
0.7 %

The TCL 6 Series has a semi-gloss finish that works well in diffusing reflections across the screen. However, when viewed in a bright room the reflections may be somewhat distracting especially if the source is facing the TV.

7.7 Pre Calibration
What it is: TV's color accuracy before a full calibration. Only the picture mode, color temperature, and backlight level were changed.
When it matters: All video on an uncalibrated TV. This represents most people's use cases.
Score components:
TCL R617 Pre Calibration Picture TCL R617 Pre Gamma Curve Picture TCL R617 Pre Color Picture
Picture Mode
What it is: The picture mode used to do the 'Pre Calibration' measurements.
:
Movie
White Balance dE
What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all video.
Good value: < 3
Noticeable difference: 1
:
3.15
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
2.33
Gamma
What it is: Brightness of shades of gray.
When it matters: Shadows.
Good value: Between 2.1 and 2.3 (our target is 2.2)
Noticeable difference: 0.1
:
2.21
Color Temperature
What it is: The color temperature is a measure of the color of light. A colder color temperature (7000K) will look bluer and a warmer color temperature (4000K) will look yellower/redder. 6500K is the standard color temperature use in the TV and film industry as program, film, and photography directors usually work on monitors calibrated on the 6500k color temperature and do their color correction base on what they see on those monitors.
When it matters: To get the most accurate picture when watching TV shows, movies or video games. This is particularly for skin tones.
Good value: 6500K
Noticeable difference: 400K
:
5979 K

Out of the box, the TCL 55R617 has good color accuracy. The color temperature is quite warm, so everything it slightly red/yellow. Gamma already follows our target well. White balance and color dE are low enough that most people won't notice much of a difference.

9.7 Post Calibration
What it is: TV's color accuracy after a full calibration with a spectrophotometer.
When it matters: All video on a TV that has been professionally calibrated. This isn't that useful, because most TVs can achieve a pretty good calibration if you spend enough time on them.
Score components:
TCL R617 Post Calibration Picture TCL R617 Post Gamma Curve Picture TCL R617 Post Color Picture
Picture Mode
What it is: The picture mode used to do the calibration. We usually go for the picture mode that gives us the more control over all the picture quality setting.
:
Movie
White Balance dE
What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all videos.
Good value: < 3
Noticeable difference: 1
:
0.31
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
0.62
Gamma
What it is: Brightness of shades of gray.
When it matters: Shadows.
Good value: Between 2.1 and 2.3 (our target is 2.2)
Noticeable difference: 0.1
:
2.20
Color Temperature
What it is: The color temperature is a measure of the color of light. A colder color temperature (7000K) will look bluer and a warmer color temperature (4000K) will look yellower/redder. 6500K is the standard color temperature use in the TV and film industry as program, film, and photography directors usually work on monitors calibrated on the 6500k color temperature and do their color correction base on what they see on those monitors.
When it matters: To get the most accurate picture when watching TV shows, movies or video games. This is particularly for skin tones.
Good value: 6500K
Noticeable difference: 400K
:
6484 K

The 617/615 has to calibrated with the TCL app. Calibration is very easy to do and both the white balance and the CMS respond very well to calibration. The blue dE was not as easy to correct, but remains accurate.

Post calibration, the TV is one of the most accurate TVs on the market. Gamma follows the target curve perfectly, and white balance and color dE are nearly perfect. The overall color temperature is a bit warm still, but very close to the target 6500K.

See our recommended settings here.

8.0 480p Input
What it is: Quality of a 480p input.
When it matters: Standard definition TV, DVDs.
Score components: Subjectively assigned
TCL R617 480p Picture

Lower resolution 480p content looks good and is displayed without any obvious issues.

8.0 720p Input
What it is: Quality of a 720p input.
When it matters: HD channels, some streaming videos.
Score components: Subjectively assigned
TCL R617 720p Picture

720p content is displayed well, without any issues.

9.0 1080p Input
What it is: Quality of a 1080p input.
When it matters: Blu-rays, streaming video, video files, video games.
Score components: Subjectively assigned
TCL R617 1080p Picture

1080p content like Blu-rays and non 4k games looks almost as good as native 4k.

9.5 4k Input
What it is: Quality of a 4k UHD input.
When it matters: Streaming video, UHD Blu-rays, some PCs.
Score components: Subjectively assigned
TCL R617 4k Picture

There are some artifacts visible with 4k content due to the sub-pixel dimming. This performs similarly to the P607 (see here), but shouldn't be an issue for most people and is mostly noticeable when used as a PC monitor.

This type of dithering is uncommon, and is only seen on some TCL TVs, including the S517 and R617. Most people won't notice it much, but occasionally it causes artifacts when it interferes with spatial dithering in games such as this green or purple shadow. (Note: the images are from the S517, but we expect them to be the same on the 6 Series.)

Update 29/05/2018: We have received a report that the 49" S515/S517 has similar crosshatching to the S405, as seen here and we expect this to be the same in the R615/R617. This will bother some people especially when used as a PC Monitor.

7.8 Color Gamut
What it is: How many colors the TV can display.
When it matters: HDR content. Includes some streaming videos and UHD Blu-rays.
Score components:
Wide Color Gamut
What it is: Whether the TV has an option to enable wide color gamuts.
When it matters: HDR content. Includes some streaming videos and UHD Blu-rays.
:
Yes
TCL R617 Color Gamut DCI-P3 Picture
DCI P3 xy
What it is: Coverage of the DCI P3 colorspace on CIE 1931 xy.
When it matters: DCI P3 content. Includes HDR, UHD Blu-rays.
Good value: > 90%
Noticeable difference: 5%
:
88.57 %
DCI P3 uv
What it is: Coverage of the DCI P3 colorspace on CIE 1976 u' v'.
When it matters: DCI P3 content. Includes HDR, UHD Blu-rays.
Good value: > 90%
Noticeable difference: 5%
:
90.93 %
TCL R617 Color Gamut Rec.2020 Picture
Rec 2020 xy
What it is: Coverage of the Rec.2020 colorspace on CIE 1931 xy.
When it matters: Rec.2020 content. Includes HDR, UHD Blu-rays.
Good value: > 90%
Noticeable difference: 5%
:
64.25 %
Rec 2020 uv
What it is: Coverage of the Rec.2020 colorspace on CIE 1976 u' v'.
When it matters: Rec.2020 content. Includes HDR, UHD Blu-rays.
Good value: > 90%
Noticeable difference: 5%
:
67.39 %
TCL R617 EOTF

The TCL 6 Series has a good color gamut, but slightly worse than last year's P607. It supports a wide color gamut, but it isn't as wide as other HDR TVs. HDR will look good, but bright outdoor scenes will lack some detail due to the TV's limited green reproduction.

Note that for this test, a PC was used as a pattern generator. Like many other TCL TVs, the TV detects the PC from the AVI infoframe and automatically switches to a PC mode which behaves a little bit differently. Using a HDFury Integral to mask the AVI infoframe results in a color gamut in the same ballpark, but slightly lower at around 65.8% Rec. 2020 uv.

The TV's Movie EOTF curve follows our input stimulus almost perfectly, but it rolls off sharply as it hits the TV's peak brightness. The PC and Game EOTFs are nearly identical, which is great.

7.4 Color Volume
What it is: How many colors a TV can display at different luminosity levels.
When it matters: HDR content. Includes some streaming videos, UHD Blu-rays and HDR games.
TCL R617 P3 Color Volume ITP Picture
Normalized DCI P3 Coverage ITP
What it is: How much of the DCI-P3 colorspace a TV can display at different luminosity levels
When it matters: HDR content. Includes some streaming videos, UHD Blu-rays and HDR games.
Good value: 80%
Noticeable difference: 5%
:
83.9 %
10,000 cd/m² DCI P3 Coverage ITP
What it is: How much of the DCI-P3 colorspace a TV can display at different luminosity levels when compared to an ideal 10,000 nit TV
When it matters: HDR content. Includes some streaming videos, UHD Blu-rays and HDR games.
:
48.7 %
TCL R617 2020 Color Volume ITP Picture
Normalized Rec 2020 Coverage ITP
What it is: How much of the Rec. 2020 colorspace a TV can display at different luminosity levels
When it matters: HDR content. Includes some streaming videos, UHD Blu-rays and HDR games.
Good value: 80 %
Noticeable difference: 5 %
:
63.2 %
10,000 cd/m² Rec 2020 Coverage ITP
What it is: How much of the Rec 2020 colorspace a TV can display at different luminosity levels when compared to an ideal 10,000 nit TV
When it matters: HDR content. Includes some streaming videos, UHD Blu-rays and HDR games.
:
36.5 %

The TCL 6 Series has decent color volume. In the P3 volume, it covers the gamut well; this is a great improvement over the TCL P607. In both color volumes, the darker colors are not displayed very well, and blues don't get very bright.

7.8 Gradient
What it is: How finely levels of color can be displayed.
When it matters: Details in shadows, sky and skin tones. Matters more for HDR content.
TCL R617 Gradient Picture
Color Depth
What it is: Number of bits per pixel to represent a specific color. Note: we consider 8-bit with dithering to be equivalent to 10-bit, as long as the 10-bit gradient looks smooth.
When it matters: HDR content like UHD Blu-ray players. Won't matter for cable TV, regular Blu-ray movies, video game consoles or content displayed from a Windows PC. Those are limited to 8-bit color.
Good value: 10-bit.
Noticeable difference: 1 bit.
:
10 Bit
Red (Std. Dev.)
What it is: The standard deviation of the color differences (dE) between subsequent 10 bit red shades.
When it matters: Details in skin tones, sunsets, and other reddish objects. Matters more for HDR content.
Good value: < 0.12 dE
Noticeable difference: 0.01 dE
:
0.121 dE
Green (Std. Dev.)
What it is: The standard deviation of the color differences (dE) between subsequent 10 bit green shades.
When it matters: Details in ocean shades and other greenish objects. Matters more for HDR content.
Good value: < 0.12 dE
Noticeable difference: 0.01 dE
:
0.116 dE
Blue (Std. Dev.)
What it is: The standard deviation of the color differences (dE) between subsequent 10 bit blue shades.
When it matters: Details in skies, water and other blueish objects. Matters more for HDR content.
Good value: < 0.12 dE
Noticeable difference: 0.01 dE
:
0.099 dE
Gray (Std. Dev.)
What it is: The standard deviation of the color differences (dE) between subsequent 10 bit gray shades.
When it matters: Details in dull colors, such as shadows, glow and urban scenes. Matters more for HDR content.
Good value: < 0.12 dE
Noticeable difference: 0.01 dE
:
0.123 dE

The performance is comparable to the 2017 TCL P605/P607 model although not quite as good. There is some small banding visible in dark reds, greens and grays, but no major banding in any color. Those minor imperfections are not likely to ruin a good HDR movie watching experience.

10 Temporary Image Retention
What it is: How much a static image is retained on a TV screen after a certain amount of time.
When it matters: When watching TV show, playing video games or when using your TV as a PC monitor.
TCL R617 Image Retention Picture
IR after 0 min recovery
What it is: Image retention measured right after the static image exposure, without recovery time.
When it matters: When changing channels while watching TV, right after changing the type of content (i.e. stopping playing video game to watch a movie) or changing input.
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.00 %
IR after 2 min recovery
What it is: Image retention measured after a recovery time of 2 minutes.
When it matters: When changing channels while watching TV, right after changing the type of content (i.e. stopping playing video game to watch a movie) or changing input.
Good value: 0 is perfect
Noticeable difference: 0.015%
:
0.00 %
IR after 4 min recovery
What it is: Image retention measured after a recovery time of 4 minutes.
When it matters: When changing channels while watching TV, right after changing the type of content (i.e. stopping playing video game to watch a movie) or changing input.
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.00 %
IR after 6 min recovery
What it is: Image retention measured after a recovery time of 6 minutes.
When it matters: When changing channels while watching TV, right after changing the type of content (i.e. stopping playing video game to watch a movie) or changing input.
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.00 %
IR after 8 min recovery
What it is: Image retention measured after a recovery time of 8 minutes.
When it matters: When changing channels while watching TV, right after changing the type of content (i.e. stopping playing video game to watch a movie) or changing input.
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.00 %
IR after 10 min recovery
What it is: Image retention measured after a recovery time of 10 minutes.
When it matters: When changing channels while watching TV, right after changing the type of content (i.e. stopping playing video game to watch a movie) or changing input.
Good value: 0 is perfect.
Noticeable difference: 0.015%
:
0.00 %

There is no image retention on this TV. As always this is good news for gamers and PC users who might use this TV as a monitor.

10 Permanent Burn-In Risk
What it is: The risk of developing a persistent image retention, also known as burn-in, after being exposed to a static image for a prolonged time
When it matters: When watching TV shows, playing video games or when using your TV as a PC monitor where static content is present
Score components:
Permanent Burn-In Risk
What it is: If the TV faces a risk of developing permanent burn-in after being expose, for a long period of time, to static images.
When it matters: When watching TV shows with static logos or banners (news or sports channels), when playing video games with a HUD (head up display), and when using a TV as a PC monitors.
:
No

We don't expect VA panels to experience permanent image retention, as the VA panel in our long-term test appears immune.

Pixels
TCL R617 Pixels Picture

The pixel structure is quite different from the P607, but there are still artifacts visible with native 4k content as seen in the 4k input box.

7.9

Motion

The TCL 6 Series has good motion handling. The response time is great, and motion appears clear and relatively flicker-free due to the high backlight refresh rate. It can reduce the backlight frequency to help reduce stutter, but this results in some strange duplications. Movies look great and are judder-free.

8.4 Response Time
What it is: Amount of blur in fast motion.
When it matters: Sports, video games.
Score components:
TCL R617 Motion Blur Picture TCL R617 Response Time Chart
80% Response Time
What it is: How quickly pixels can reach 80% of a full transition from one color to another.
When it matters: Fast movement.
Good value: < 8 ms
Noticeable difference: 4 ms
:
6.3 ms
100% Response Time
What it is: How quickly pixels can fully transition from one color to another.
When it matters: Fast movement.
Good value: < 20 ms
Noticeable difference: 10 ms
:
12.4 ms

Very good response time. Most of the blur in the above photo is due to persistence. Pixel response is similar to the P607. There is almost no overshoot in any of the transitions.

7.9 Flicker-Free
What it is: How noticeable flicker is on the screen, when all optional flicker has been disabled.
When it matters: All usages, but particularly when viewing fast motion (such as in sports and video games) or when using the TV as a PC monitor.
Score components:
TCL R617 Backlight chart
Flicker-Free
What it is: Whether the screen will be perceived as having no flicker during normal viewing conditions.
When it matters: When flicker is especially bothersome, such as when using the TV as a PC monitor.
Good value: Yes
:
No
PWM Dimming Frequency
What it is: The flicker frequency of the screen, when all optional flicker has been disabled.
When it matters: All usages, but particularly when viewing fast motion (such as in sports and video games) or when using the TV as a PC monitor.
Good value: 0 Hz or very high frequencies (> 300 Hz). Frequencies that are multiples of 60Hz are better.
:
480 Hz

The TCL 55R617 mainly dims the backlight through PWM, although there is some amplitude dimming as well. The backlight flicker is hardly noticeable, as it flickers at 480Hz, a significant improvement over the 120 Hz flicker on the P607.

9.2 Black Frame Insertion (BFI)
What it is: How effective the TV's flickering capabilities are in making motion look clearer, when flicker is desired.
When it matters: When flicker is desired by the user. Flicker is especially useful to make motion look clearer when viewing 60 fps content (sports, video games) and when using motion interpolation.
TCL R617 BFI Picture TCL R617 BFI Frequency Picture
Optional BFI
What it is: Option to turn the screen black between frames.
When it matters: When flicker is desired by the user. Flicker is especially useful to make motion look clearer when viewing 60 fps content (sports, video games) and when using motion interpolation.
Good value: Yes
:
Yes
Min Flicker for 60 fps
What it is: Lowest possible frequency of flickering pattern when playing 60 fps content.
When it matters: When viewing fast motion such as sports and video games.
Good value: 60 Hz
Noticeable difference: 20 Hz
:
60 Hz
60 Hz for 60 fps
What it is: Whether the screen can flicker at 60 Hz when playing 60 fps content.
When it matters: When playing 60 fps content, such as sports and video games.
Good value: Yes
:
Yes
120 Hz for 120 fps
What it is: Whether the screen can flicker at 120 Hz when playing 120 fps content.
When it matters: When playing 120 fps content, such as when using motion interpolation on a 120 Hz TV.
Good value: Yes
:
N/A
Min Flicker for 60 fps in Game Mode
What it is: Lowest possible frequency of flickering pattern when playing 60 fps content in Game Mode.
When it matters: When playing video games with fast motion.
Good value: 60 Hz
Noticeable difference: 20 Hz
:
60 Hz

The TCL 6 Series has a new optional black frame insertion feature that can adjust the backlight flicker to help clear up motion by introducing flicker.

This can be enabled by going to Options->Advanced Picture Settings and turning LED Motion Clarity On.

The TV can flicker as low as 60 Hz, even in game mode, but there are some strange results. It appears to flicker each color individually, resulting in visible duplications of different colors, as seen here. This is also noticeable when moving around with BFI enabled.

7.0 Motion Interpolation
What it is: Also known as 'Soap Opera Effect'. It is an optional feature that increases the frame rate of the video, smoothing movement.
When it matters: If you like the look of smoothed video. Not everyone does.
TCL R617 Motion Interpolation (30 fps) Picture
Motion Interpolation (30 fps)
What it is: Whether the TV can take a 30 fps input and heighten the frame rate to at least 60 fps.
When it matters: 30 fps or lower videos. Includes movies, TV shows, some video games.
:
Yes
Motion Interpolation (60 fps)
What it is: Whether the TV can take a 60 fps input and heighten the frame rate to at least 100 fps.
When it matters: 60 fps videos. Includes some video games, some sports channels.
:
No

The TV can interpolate lower frame rate content as high as 60 fps. Motion can look a little strange to some people when enabled, this is commonly known as the Soap Opera Effect. This does not work when connected to a PC, and there is no way to bypass this as this TCL automatically detects when it is connected to a PC.

Motion interpolation is new this year on the TCL R617, and it can be enabled by going to the Advanced picture settings menu, and setting Action Smoothing to either Off, Low, Medium or High.

7.2 Stutter
What it is: Jarring effect caused by static frame time during motion sequences
When it matters: When watching content with long panning shots and other smooth movement
Frame Hold Time @ 24 fps
What it is: Time that frame is static during 24Hz videos such as movies
When it matters: When watching movies and other low frame rate content which contain panning shots
Good value: < 24 ms
Noticeable difference: 5 ms
:
29.3 ms
Frame Hold Time @ 60 fps
What it is: Time that frame is static during 60 fps content such as TV shows
When it matters: When watching 60 fps content containing slow panning shots (such as field sports)
Good value: < 24 ms
Noticeable difference: 5 ms
:
4.3 ms

The TCL 6 Series can display most content without stutter, but there is some noticeable stutter when playing 24p content - like Blu-ray movies. This is mostly noticeable in wide-panning shots.

10 24p Judder
What it is: Whether 24p content can play without any judder.
When it matters: Only 24p content (mostly just movies).
Judder-Free 24p
What it is: Judder-free movies over 24p signal.
When it matters: Blu-ray and DVD movies; 24 hz PC signal.
:
Yes
Judder-Free 24p via 60p
What it is: Judder-free movies over 60p signal.
When it matters: Movies from streaming devices (Apple TV, Fire TV, etc.); 60 hz PC signal.
:
Yes
Judder-Free 24p via 60i
What it is: Judder-free movies over 60i signal.
When it matters: Movies from cable/satellite boxes.
:
Yes
Judder-Free 24p via Native Apps
What it is: Judder-free movies when playing from native apps.
When it matters: Movies from streaming native apps (Netflix, Amazon TV, etc.).
:
Yes

The TV is judder free when playing native 24p content from a Blu-ray player. To remove judder from other sources, Natural cinema must be enabled in the Advanced Picture Settings menu. This is a significant improvement over all other TCL TVs we have reviewed.

0 Variable Refresh Rate
What it is: How frequently the TV can refresh and show new frames, and whether it can vary its refresh rate in real time using technologies like HDMI Forum's Variable Refresh Rate.
When it matters: Mostly for gaming, but does provide a little better motion during normal usage.
Native Refresh Rate
What it is: The out-of-the-box maximum refresh rate; how frequently the TV can refresh and show new frames.
When it matters: When playing content with a frame rate that matches the TV's refresh rate (ex. 60 fps on a 60 Hz TV, 120 fps on a 120 Hz TV), or when using the TV's motion interpolation feature (soap opera effect).
Good value: 60 Hz
:
60 Hz
Variable Refresh Rate
What it is: Feature that allows the TV to synchronize its refresh rate with the input device's output and reduces stuttering and screen tearing.
When it matters: Almost every usage, but is most noticeable when gaming where constant fluctuation in framerate cause distracting artifacts.
:
No
4k VRR Maximum
What it is: The maximum frequency covered by the Variable Refresh Rate feature of the TV when the input signal is 4k.
When it matters: Any time the VRR feature is enabled and 4k is sent.
Good value: Matches maximum refresh rate at 4k.
Noticeable difference: 10 Hz
:
N/A
4k VRR Minimum
What it is: The lowest frequency covered by the TV's Variable Refresh Rate feature when the input signal is 4k.
When it matters: When using the VRR feature of the TV at lower frame rates when sending a 4k signal.
Good value: 30 Hz
:
N/A
1080p VRR Maximum
What it is: The maximum frequency covered by the Variable Refresh Rate feature of the TV when the input signal is 1080p.
When it matters: Any time the VRR feature is enabled and 1080p is sent.
Good value: Matches maximum refresh rate at 1080p.
Noticeable difference: 10 Hz
:
N/A
1080p VRR Minimum
What it is: The lowest frequency covered by the TV's Variable Refresh Rate feature when the input signal is 1080p.
When it matters: When using the VRR feature of the TV at lower frame rates when sending a 1080p signal.
Good value: 30 Hz
:
N/A
VRR Supported Connectors
What it is: The inputs which support a variable refresh rate (eg. HDMI, DisplayPort)
When it matters: When gaming with different consoles or graphics cards.
:
N/A

The TCL 6 Series doesn't support any of the Variable Refresh Rate technologies like AMD Freesync. We tested on a PC with an AMD Radeon RX 580.

9.2

Inputs

Score components:

The TCL 6 Series has excellent low input lag, as long as Game mode is enabled. The input lag is extremely low, great for console gaming. When in PC mode, Game mode must be enabled to get the lowest input lag. Like the 2018 Samsung TVs we have tested, there is no DTS passthrough, so it is recommended to connect your Blu-ray player or game console directly to your receiver if you want surround sound on movies.

9.3 Input Lag
What it is: Delay between input and onscreen reaction.
When it matters: Video games; when TV is used as PC monitor.
1080p @ 60Hz
What it is: Lowest input lag possible on TV with a 1080p @ 60Hz @ 4:2:2 input.
When it matters: Video games and also when TV is used as PC monitor.
Good value: < 40 ms
Noticeable difference: 15 ms
:
17.6 ms
1080p @ 60Hz + HDR
What it is: Lowest input lag possible on the TV when displaying 1080p @ 60Hz @ 4:2:2 @ 10 bit with HDR.
When it matters: HDR video games from a console outputting a 1080p signal.
Good value: < 40 ms
Noticeable difference: 15 ms
:
17.8 ms
1080p @ 60Hz Outside Game Mode
What it is: Lowest input lag possible on the TV when displaying 1080p @ 60Hz @ 4:2:2 in a fully featured picture mode.
When it matters: For playing video games while retaining access to all features of the TV.
Good value: < 40 ms
Noticeable difference: 15 ms
:
152.4 ms
1080p @ 120Hz
What it is: Lowest input lag possible on TV with a 1080p @ 120Hz input.
When it matters: When the TV is used as PC monitor.
Good value: < 40 ms
Noticeable difference: 15 ms
:
N/A
4k @ 60Hz
What it is: Lowest input lag possible on TV when displaying 4k @ 60Hz @ 4:2:0.
When it matters: Video games and also when TV is used as PC monitor.
Good value: < 40 ms
Noticeable difference: 15 ms
:
19.2 ms
4k @ 60Hz + HDR
What it is: Lowest input lag possible when displaying 4k @ 60Hz @ 4:2:0 @ 10 bit signal with HDR.
When it matters: HDR Video games.
Good value: < 40 ms
Noticeable difference: 15 ms
:
19.6 ms
4k @ 60Hz @ 4:4:4
What it is: Lowest input lag possible on the TV when displaying 4k @ 60Hz with proper 4:4:4 chroma subsampling. The test is usually conducted with a 4k @ 60 Hz @ 4:4:4 signal, but a 4k @ 60 Hz @ Full RGB signal may be used if it's required for the TV to show proper 4:4:4 chroma subsampling.
When it matters: PC Monitor
Good value: < 40 ms
Noticeable difference: 15 ms
:
19.2 ms
4k @ 60Hz @ 4:4:4 + 8 bit HDR
What it is: Lowest input lag possible on the TV when displaying 4k @ 60Hz @ 8 bit + HDR with proper 4:4:4 chroma subsampling. The test is usually conducted with a 4k @ 60 Hz @ 4:4:4 @ 8 bit signal, but a 4k @ 60 Hz @ Full RGB @ 8 bit signal may be used if it's required for the TV to show proper 4:4:4 chroma subsampling.
When it matters: PC Monitor with an HDR capable graphic card
Good value: < 40 ms
Noticeable difference: 15 ms
:
19.6 ms
4k @ 60Hz Outside Game Mode
What it is: Lowest input lag possible on the TV when displaying 4k @ 60Hz @ 4:2:0 in a fully featured picture mode.
When it matters: For playing video games while retaining access to all features of the TV.
Good value: < 40 ms
Noticeable difference: 15 ms
:
122.8 ms
4k With Interpolation
What it is: Lowest input lag for 4k @ 60 Hz @ 4:2:0 content when the motion interpolation feature is turned on.
When it matters: When you want to play video games with the Soap Opera Effect enabled.
Good value: < 40 ms
Noticeable difference: 15 ms
:
148.1 ms
4k @ 120 Hz
What it is: Lowest input lag possible on TV with a 4k @ 120Hz input.
When it matters: When the TV is used as PC monitor.
Good value: < 40 ms
Noticeable difference: 15 ms
:
N/A
4k with Variable Refresh Rate
What it is: Lowest input lag possible on the TV when its Variable Refresh Rate feature is enabled and it is sent a 4k signal.
When it matters: When gaming with a device which supports variable refresh rates, such as the Xbox One X or a PC.
:
N/A
1080p with Variable Refresh Rate
What it is: Lowest input lag possible on the TV when its Variable Refresh Rate feature is enabled and it is sent a 1080p signal.
When it matters: When gaming with a device which supports variable refresh rates, such as the Xbox One X or a PC.
:
N/A

The TCL 6 Series has excellent low input lag, as long as Game mode is enabled. With Game mode disabled, input lag is extremely high. 1080p and 4k input lag is very similar. The TV is a 60Hz panel, as such 120Hz input is not supported.

For use as a PC monitor, the TV automatically detects when it is connected to a PC. If it doesn't automatically detect it, changing the input label to Computer will enable PC Mode. For the lowest input lag in PC mode, Game mode must also be enabled.

8.3 Supported Resolutions
What it is: Different resolutions supported by TV.
When it matters: PC monitor usage.
Score components:
  • 17% 1080p @ 60Hz @ 4:4:4
  • 17% 1080p @ 120Hz
  • 17% 1440p @ 60Hz
  • 17% 4k @ 30Hz @ 4:4:4
  • 17% 4k @ 60Hz
  • 17% 4k @ 60Hz @ 4:4:4
1080p @ 60Hz @ 4:4:4
What it is: Crisp text on 1060p @ 60 hz signal.
When it matters: PC productivity and 60 fps gaming.
:
Yes
1080p @ 120Hz
What it is: 120 fps 1080p signal supported.
When it matters: PC gaming.
:
No
1440p @ 60Hz
What it is: 60 fps 1440p signal supported.
When it matters: PC productivity and gaming.
:
Yes
4k @ 30Hz @ 4:4:4
What it is: Crisp text on 4k @ 30 hz signal.
When it matters: PC productivity and gaming.
:
Yes
4k @ 60Hz
What it is: 60 fps 4k signal supported.
When it matters: PC productivity and gaming.
:
Yes
4k @ 60Hz @ 4:4:4
What it is: Crisp text on 4k @ 60 hz signal.
When it matters: Productivity and 60 fps gaming in 4k.
:
Yes
4k @ 120Hz
What it is: 4k 120Hz signal supported
When it matters: PC gaming
:
No

The TV supports most resolutions without issue. For use as a PC Monitor, PC mode must be enabled; either by the TV's auto-detection or by changing the input label to Computer. The TV must be in PC mode for chroma 4:4:4 to work.

Side Inputs
TCL R617 Side Inputs Picture

All of the inputs are directed out the side. There is an included mini break out cable for composite input, but no component input.

Unlike the P607, there is no headphone output on the remote. To connect headphones, the audio output on the side of the TV is the only option.

Rear Inputs

All of the inputs are directed out the side of the TV.

Total Inputs
HDMI : 3
USB : 1
Digital Optical Audio Out : 1
Analog Audio Out 3.5mm : 1
Analog Audio Out RCA : 0
Component In : 0
Composite In : 1 (incl. adapter)
Tuner (Cable/Ant) : 1
Ethernet : 1
DisplayPort : 0
IR In : 0
SD/SDHC : 0

Unlike the P607, there is no headphone output on the remote. To connect headphones, the audio output on the side of the TV is the only option.

Inputs Specifications
HDR10
What it is: Standard HDR format.
When it matters: Most common format. All UHD Blu-ray discs are required to have it.
:
Yes
Dolby Vision
What it is: Better format, due to its dynamic nature.
When it matters: Dolby Vision mastered content. Current available from streaming services (Netflix, Amazon Video), some Blu-Ray players, the Apple TV 4k and ChromeCast Ultra.
:
Yes
HLG
What it is: HLG or Hybrid Log Gamma is a broadcast HDR format.
When it matters: HLG capable sources such as Youtube or OTA broadcasts in specific regions. Backwards compatible with SDR TVs.
:
No
3D
What it is: Optional 3D video capability on TV.
When it matters: 3D movies & videos.
:
No
5.1 Passthrough ARC Dolby Digital
What it is: TV can receive and pass Dolby Digital 5.1 signal to receiver via HDMI ARC.
When it matters: 5.1 audio on DVDs and Blu-rays.
:
Yes
5.1 Passthrough ARC DTS
What it is: TV can receive and pass DTS 5.1 signal to receiver via HDMI ARC.
When it matters: 5.1 audio on DVDs and Blu-rays.
:
No
5.1 Passthrough Optical Dolby Digital
What it is: TV can receive and pass Dolby Digital signal to receiver via digital optical.
When it matters: 5.1 audio on DVDs and Blu-rays.
:
Yes
5.1 Passthrough Optical DTS
What it is: TV can receive and pass DTS signal to receiver via digital optical.
When it matters: 5.1 audio on DVDs and Blu-rays.
:
No
HDMI 2.0 Full Bandwith
What it is: HDMI 2.0 is the main used HDMI standard and supports a range of video resolutions and refresh rates up to 4k@60Hz, with a total maximum bandwidth up to 18Gbps.
:
Yes (HDMI 1,2,3)
HDMI 2.1 Full Bandwidth
What it is: HDMI 2.1 is the latest update to the HDMI standard and supports a range of higher video resolutions and refresh rates including 8K60 and 4K120, and resolutions up to 10K. Dynamic HDR formats are also supported, and bandwidth capability is increased up to 48Gbps.
:
No
ARC
What it is: Audio Return Channel (ARC) enables a TV to transmit, via an HDMI cable, audio data to an A/V receiver, without the need for any extra audio cables.
When it matters: When connecting your audio/video receiver directly to your TV via an HDMI cable.
:
Yes (HDMI 3)
USB 3.0
What it is: USB 3.0 is the latest USB standard which can transfer data up to 5 Gbit/s, and is easily recognizable due to its blue color-coding of the connector.
:
No
HDCP 2.2 : Yes (HDMI 1,2,3)
CEC : Yes
MHL : No
Variable Analog Audio Out : Yes
Wi-Fi Support : Yes (2.4 GHz, 5 GHz)

For the audio return channel to work, CEC must be enabled in Settings -> System -> Control other devices (CEC) -> ARC (HDMI 3).

For 5.1 passthrough on the ARC, the Audio Mode must be set to Auto in the Settings -> Audio menu, with S/PDIF and ARC set to "Dolby D, DTS". With other settings no sound was getting passed through to our receiver, not even stereo PCM.

DTS passthrough doesn't work, which is unexpected since it did on last year's P607.

Update 06/05/2018: To support HDR on HDMI ports connected to an Xbox One, the HDMI ports must be manually set to HDMI 2.0 as the Auto setting will not automatically switch to HDMI 2.0 due to a detection issue.

5.8

Sound Quality

What it is: How well and accurately the audio is reproduced.
When it matters: When a good and accurate sound reproduction is needed.
Score components:

The TCL 6 Series has a sub-par sound quality. This TV does get loud enough for most situations and produces clear dialogs. However, it doesn't produce much bass and doesn't have a room correction system either. For a better sound, dedicated speakers or soundbars are recommended.

5.5 Frequency Response
What it is: How accurately the sound level of each frequency is being produced.
When it matters: For a balanced and neutral sound.
TCL R617 Frequency Response
Low-Frequency Extension
What it is: The lowest frequency at which the frequency response reaches -3dB of the target response.
When it matters: Movies, Gaming. Shows how extended the bass is.
Good value: < 60Hz
Noticeable difference: 10Hz
:
142.54 Hz
Std. Dev. @ 70
What it is: The amount of deviation (weighted standard deviation) in frequency response measured at 70dB SPL, as compared to a target response that would sound perfectly balanced to most people.
When it matters: Shows the TV's frequency response at quiet listening levels
Good value: < 4 dB
Noticeable difference: 0.5 dB
:
6.43 dB
Std. Dev. @ 80
What it is: The amount of deviation (weighted standard deviation) in frequency response measured at 80dB SPL, as compared to a target response that would sound perfectly balanced to most people.
When it matters: Shows the TV's frequency response at moderate listening levels
Good value: < 4 dB
Noticeable difference: 0.5 dB
:
6.24 dB
Std. Dev. @ Max
What it is: The amount of deviation (weighted standard deviation) in frequency response measured with the TV at maximum volume, as compared to a target response that would sound perfectly balanced to most people.
When it matters: Shows the TV's frequency response at under maximum load
Good value: < 4 dB
Noticeable difference: 2 dB
:
5.37 dB
Max
What it is: Maximum volume reached by the TV at their optimum viewing distance (size dependent)
When it matters: For listening to loud audio.
Good value: > 88 dB
Noticeable difference: 2 dB
:
87.2 dB SPL
Dynamic Range Compression
What it is: The amount of difference between the TVs frequency response performance at 70dB SPL and Max dB SPL. Too much compression will result in pumping in the sound.
When it matters: When an accurate and free-of-pumping performance is required at higher volumes
Good value: < 3dB
Noticeable difference: 0.5
:
2.63 dB

The frequency response is sub-par. The LFE (Low-frequency extension) is at 143Hz, which means this TV won't produce any thump or rumble, and not a lot of body and punch either. The response above the TV's LFE is relatively well-balanced, which is important for producing clear dialogs. However, since this TV doesn't have a room correction system, it wasn't able to remove the mode of our test room around 200Hz. Additionally, it gets loud enough for most situations, and doesn't produce an excessive amount of compression artifacts under heavier loads.

6.6 Distortion
What it is: Deformation of an output signal compared to its input, usually clipping, harmonic distortion, or inter-modulation distortion caused by non-linear behavior of the sound system.
When it matters: When a clean, pure and transparent reproduction is desired.
Score components:
TCL R617 Total Harmonic Distortion
Weighted THD @ 80
What it is: The overall amount of harmonic distortion measured at 80dB SPL. To make the score more perceptually relevant, more weight is given to the higher frequencies.
When it matters: How pure the sound is at moderate listening levels.
Good value: < 0.100
Noticeable difference: 0.100
:
0.072
Weighted THD @ Max
What it is: The overall amount of harmonic distortion measured at the TV's maximum SPL. To make the score more perceptually relevant, more weight is given to the higher frequencies.
When it matters: How pure the sound is at moderate listening levels.
Good value: < 0.100
Noticeable difference: 0.100
:
0.396
IMD @ 80
What it is: The average amount of inter-modulation distortion produced by the TV under maximum load. The percentage shown here is the average result of 3 separate test signals/standards: SMPTE, DIN, & CCIF
When it matters: When a clean and free of aliasing reproduction is desired
Good value: < 5%
Noticeable difference: 2
:
11.36 %
IMD @ Max
What it is: The average amount of inter-modulation distortion produced by the TV under maximum load. The percentage shown here is the average result of 3 separate test signals/standards: SMPTE, DIN, & CCIF
When it matters: When a clean and free of aliasing reproduction is desired
Good value: < 5%
Noticeable difference: 2
:
17.02 %

The distortion performance is about average. The overall amount of harmonic distortion is within good limits at 80dB SPL, but slightly elevated at max volume. This TV also produces high amounts of intermodulation distortion, which could translate to a less transparent treble. Both the effect will be subtle and won't be noticeable to most users.

7.7

Smart Features

Score components:
  • 42% Interface
  • 2% Ad-Free
  • 37% Apps and Features
  • 16% Remote
  • 3% Remote App
TCL R617 Smart TV Picture
Smart OS : Roku TV
Version : 8.0

The TCL 6 Series runs the Roku TV smart platform. The interface isn't as fancy as the competition, but it is very smooth and easy to use. The interface is remarkably fluid, and there are no frames drops or lagging. The Roku companion app is the best one out there, and the TV can cast the audio from native apps to your smartphone, great for late night listening. The remote doesn't have the audio headphone jack from last year's P607.

8.0 Interface
What it is: The usability, features and performance of the main interface of the TV, not including the interfaces of the apps themselves.
When it matters: Anytime when using the TV, but especially when changing settings and using apps.
Score components: Subjectively assigned
Ease of Use
What it is: How easy the interface is to navigate, affected by the organization of its layout, placing frequently accessed elements in areas that are faster to access, etc.
When it matters: When using the smart features.
:
Easy
Smoothness
What it is: How smooth the interface is to navigate, affected by lag and frame drops.
When it matters: When using the smart features.
:
Very Smooth
Time Taken to Select YouTube
What it is: How long it takes to select YouTube for launch, starting from HDMI 1 input, when YouTube is placed first on the list of apps or added as a shortcut. This does not include app launch time, and does not use a fixed YouTube button on a remote. This serves as an indication of the time needed to select any app.
When it matters: When launching any app.
:
3 s
Time Taken to Change Backlight
What it is: The time it takes to navigate to the 'Backlight' setting ('Brightness' on Sony TVs). This serves as an indication of how long it takes to navigate to basic TV settings.
When it matters: When changing TV settings.
:
4 s
Advanced Options
What it is: Whether advanced options and settings are available, such as color calibration.
When it matters: When customizing the TV and using the smart features.
:
Many

The interface is easy to use and smooth. There are no serious performance issues or dropped frames.

0 Ad-Free
What it is: Whether or not ads can be found on the TV's smart platform.
When it matters: When using the smart features.
Score components:
TCL R617 Ads Picture
Ads
What it is: Whether the TV's main interface has ads. This does take into account ads in third-party apps.
When it matters: When using the smart features.
:
Yes
Opt-out
What it is: Whether you can opt out of the ad services or not. A TV only passes this test if it allows you to remove them completely, not only disable the personalized advertising.
When it matters: When using the smart features.
:
No
Suggested Content in Home
What it is: Whether suggested content appears in the TV's home menu or main menu. Suggested content can include recommended movies, TV shows, YouTube videos etc.
:
Yes
Opt-out of Suggested Content
What it is: Whether the suggested content feed in the home menu can be removed or hidden
:
No

There are ads in the home menu, and there is no way to disable them. During our testing, we were presented with ads for other Roku devices compared to the suggested content ads that were present on previous TCL TVs.

8.0 Apps and Features
What it is: The usability, features and performance of apps and other smart features.
When it matters: Only when using smart features such as apps, casting and USB playback.
Score components: Subjectively assigned
TCL R617 Apps Picture
App Selection
What it is: The number and variety of apps available to download for the smart platform.
When it matters: When downloading new apps.
:
Many
App Smoothness
What it is: How smooth it feels to navigate the interfaces of apps, affected by lag and frame drops.
When it matters: When using apps.
:
Average
Cast Capable
What it is: Whether apps on a phone or tablet can cast content to the TV.
:
Yes
USB Drive Playback
What it is: Whether the TV can play content from a drive connected to one of the TV's USB ports.
:
Yes
USB Drive HDR Playback
What it is: Whether HDR files played from a USB drive can be displayed properly.
:
Yes
HDR in Netflix
What it is: Whether HDR content on Netflix can be played back in HDR using the native Netflix app.
:
Yes
HDR in Amazon Video
What it is: Whether HDR content on Amazon Video can be played in HDR using the native Amazon Video app.
:
Yes
HDR in YouTube
What it is: Whether HDR content on YouTube can be played in HDR using the native YouTube app.
:
Yes

The TCL 6 Series has a wide selection of available apps through the built-in Roku smart interface. There are also hundreds of streaming channels available, many of them free. The built-in apps are able to play pretty much everything.

7.0 Remote
What it is: The usability and features of the TV's physical remote.
Score components: Subjectively assigned
TCL R617 Remote Picture
Size
What it is: How big the remote is
:
Small
Voice Control
What it is: The capabilities of the TV's voice control feature
:
Search, Some Other Features
CEC Menu Control
What it is: Whether the remote can act as a universal remote for HDMI CEC enabled devices. This was tested on our Samsung UBD-K8500 4K Blu-ray player, and may not be valid for other CEC devices as implementations vary by manufacturer.
:
No
Other Smart Features
What it is: Whether the remote has any other smart features, such as a pointer, universal remote support for non HDMI CEC devices, etc.
:
No

The remote included with the TV doesn't use IR, so it does not require line of sight. Unlike the enhanced remote included with the P607, the R617 does not have an audio output on the remote. With the removal of this feature the remote is quite a bit lighter and thinner than the P607 remote.

The basic remote on the R615 requires line-of-sight to the TV, and does not have voice control options.

8.0 Remote App
What it is: The features of the official phone and tablet app for the TV.
Score components: Subjectively assigned
TCL R617 Remote App Picture
Acts as the Remote
What it is: Whether the remote app can emulate all the buttons of the physical remote.
:
Yes
Directly Launches Apps and Inputs
What it is: Whether the remote app can directly launch the TV's apps and change between its inputs, without requiring any interaction with menus on the TV.
:
Both
Inputs Text in YouTube
What it is: Whether the remote app can enter text for YouTube searches.
:
No
Inputs Text in Netflix
What it is: Whether the remote app can enter text for Netflix searches.
:
Yes
Streams Device Files
What it is: Whether the remote app can stream files from the phone or tablet to the TV, files such as pictures, music and video.
:
Yes
Controls TV Settings
What it is: Whether the app can change all or some of the settings on the TV, such as the backlight.
:
Some
Voice Control
What it is: Whether the remote can send voice commands to the TV.
:
Yes

The TCL remote app is the best one out there. Aside from working as a replacement remote, it can cast the TV's audio (from apps only) to your phone. You can also browse the Roku Streaming Channels store and add apps and channels to your TV from there. It also provides easy access to more advanced settings, and is the only way to access the white balance calibration of the TV.

TV Controls
TCL R617 Controls Picture

There is a single button. Pressing this button will turn on the TV, and when on will display a menu. The menu can only be used to change inputs or power off the TV.

In The Box
TCL R617 In The Box Picture

  • 3.5mm Breakout Cable for Composite Input
  • Dust Covers
  • Batteries
  • R617: Enhanced RF Remote
  • R615: Basic IR Remote
  • Instruction Manual
Not Shown:
  • 60.5" Power Cable
To learn more about the different variants of the R617, click here.

Misc
Power Consumption : 57 W
Power Consumption (Max) : 131 W
Firmware : 8.0.2 • build 4140-30

Differences between Sizes and Variants

We tested the 55" (55R617). For the most part, we expect our review to be valid for the 65" version (65R617) as well. We have received wide reports of issues with gray uniformity. While we expect our results to be representative of most people's experience, results may vary.

If someone comes across a different type of panel or if their TCL R617 doesn't correspond to our review, let us know and we will update the review.

The variant found at Bestbuy (55R615) is the same TV, but it has a simpler IR remote that requires line-of-sight and does not have the voice control feature.

Warehouse outlets will sell the R613, which is identical to the R617 including the voice remote, but still does not include the private listening feature of the P607.

Size Model Best Buy Variant Warehouse Varient
55" 55R617 55R615 55R613
65" 65R617 65R615 65R613

In Europe, the TCL models are completely different and do not directly correspond with the U.S. models.

Compared to other TVs

TCL R617 Group Shot Picture
Top left: TCL P607 (55P607). Bottom left: Sony X900F (XBR55X900F). Middle: TCL R617 (55R617). Top right: TCL S517 (55S517). Bottom right: Samsung NU7100 (UN55NU7100).  Unlike our other photographs, this picture wasn't taken under a controlled environment, so do not draw conclusions from it.

The TCL R617 is a great, versatile TV that offers excellent value. It outperforms most of the competition in the same price bracket.

Vizio P Series 2018
55" 65" 75"

The Vizio P Series 2018 is better than the TCL R617 (R613/R615). The Vizio P Series has better motion handling, thanks to the higher refresh rate, and is nearly flicker-free. The P Series has a better local dimming feature, and although adoption is low, it supports the HLG HDR format, making it slightly more future-proof. The Vizio P's motion interpolation feature is more advanced thanks to the native 120 Hz panel, and it can interpolate 60 fps content up to 120 Hz.

TCL P607
55"

The TCL P607/P605 is the predecessor to the R617. It was one of the most popular budget 4k TVs in 2017 and is an excellent gaming TV. The R617 has added motion processing capabilities, including motion interpolation and black frame insertion. They both produce similarly good picture quality, but the TCL 6 Series is brighter. It also has slightly higher input lag, out of game mode, it is much higher, but overall it is still excellent. If you are looking for a new TV, the R617 is a better choice, but it isn't worth upgrading if you already have the P607/605.

Samsung NU7100
40" 43" 50" 55" 58" 65" 75"

The Samsung NU7100 is the entry-level premium LED TV from Samsung for 2018. It is a decent TV with a nicer design than the TCL, but overall performance is worse. The NU7100 has better uniformity, but a worse contrast ratio so dark room viewing isn't as good. It isn't as bright as the R617 and has worse motion performance. They both make great gaming TVs due to their low input lag. Between the two, the 6 Series is a better choice.

Sony X720E
43" 49" 55"

The Sony X720E is a decent budget TV released in late 2017. Overall performance is worse than the R617. It has a poor contrast ratio and no local dimming feature, so dark room performance isn't great. For sports, it is a trade-off between the two. The R617 is brighter, but the X720E has a better viewing angle and has fewer issues with gray uniformity, so it depends on your needs. For use as a PC monitor, get the X720E, otherwise, the R617 is better.

LG UK6300
43" 49" 50" 55" 65"

The LG UK6300 is a decent budget TV. The R617 is better than the UK6300 in almost every way. Similar to the X720E, the UK6300 has better gray uniformity and a wider viewing angle. If your main use is for sports or for use as a PC monitor, the UK6300 or Sony X720E are better choices due to the gray uniformity issues with the R617. Otherwise, the TCL is a better TV.

+ Show more

Conclusion
SEE PRICE
Amazon.com

7.9Mixed Usage
What it is General purpose. The TV will be used for a variety of content and usages. Movies at night, TV shows during the day, video games from time to time, etc.
Score components:
Very good TV for mixed usage. It is a versatile TV that is good for pretty much everything. There are some gray uniformity issues, which makes it a less good choice for sports due to the dirty screen effect, and the image degrades rapidly when viewed at an angle which is bad for those with wide seating.
8.0Movies
What it is Movies in the dark. The TV will be used for watching movies in a controlled environment, directly in front, in a home theater way. Mostly only high quality content, like Blu-rays, UHD Blu-rays, streaming and a little bit of HDR.
Score components:
Great TV for watching movies in a dark room. The TCL 6 Series has an excellent native contrast ratio, and the local dimming feature is decent for dimming darker areas of the screen. There may be some issues with uniformity, depending on your specific panel.
7.6TV Shows
What it is TV Shows in a bright living room. The TV will be used in to watch TV shows, in a bright room during the day, from multiple viewing positions at different angles. The content watched has an average quality: cable, streaming, SD channels, etc.
Score components:
Good TV for watching TV in a brightly lit room. The TV is able to get very bright and can overcome most glare, but the reflection handling is not as good as high-end TVs so some direct glare might be bothersome. The picture quality also degrades rapidly when viewed at an angle, which is bad for those with wide seating.
7.5Sports
What it is Sports in a living room. The TV will be used to watch sports during the day, like football or hockey. Usually watched with a group, so from multiple viewing position.
Decent TV for watching sports. The fast response time means motion will be fluid, and the TV can get bright to overcome ambient glare. There are many reports of serious issues with gray uniformity, so there may be more dirty screen effect than we measured depending on your panel. The TV also has a narrow viewing angle so the best picture is reserved for those directly in front of the TV.
8.6Video Games
What it is Video games. The TV will be used to play video games, directly in front, in a controlled light environment. Usually fast games, like online FPS, where motion blur and input lag is important.
Excellent TV for gaming. The TV has excellent low input lag as long as Game mode is on. The fast response time means games are fluid and there is very little motion blur, so fast games look their best.
8.1HDR Movies
What it is HDR Movies and TV shows. The TV will be used to watch 4k UHD HDR content, with a wide color gamut and a high peak brightness. Either via UHD Blu-rays or HDR streaming.
Great TV for watching HDR movies. The TV gets very bright in HDR, and the excellent native contrast and decent local dimmings make for a good dark room viewing experience. It also has a good wide color gamut, but it isn't as wide as higher-end TVs.
8.4HDR Gaming
What it is HDR Gaming. The TV will be used to play HDR video games using consoles that support it or on current generation gaming PCs. Xbox One S, PS4 Pro, GTX 10 series and AMD RX series graphics cards.
Impressive TV for HDR gaming. The TV has excellent low input lag in game mode, and it has a great response time so games are free of annoying trails. The native contrast and good color gamut help games look their best. It doesn't support a 120Hz input, so some gamers might be disappointed.
8.1PC Monitor
What it is PC Monitor. The TV will be used as a PC monitor, from 2-3 feet away, either for productivity purposes or gaming. Sharp text is important, as well as a high resolution.
Score components:
Good TV for use as a PC monitor. The TV supports chroma 4:4:4 when in PC mode, so text looks sharp and clear. It has low input lag and a good response time which keeps it responsive. The viewing angle is quite limited, so if sitting too close the edges of the screen might fade and lose detail. There are also many reports of uniformity issues, so use for web browsing might be a problem for some people.

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