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  1. Table of Contents
  2. Intro
  3. Design
    1. Stand
    2. Back
    3. Borders
    4. Thickness
    5. Temperature
    6. Build Quality
  4. Picture Quality
    1. Contrast
    2. Local Dimming
    3. SDR Peak Brightness
    4. HDR Peak Brightness
    5. Gray Uniformity
    6. Viewing Angle
    7. Black Uniformity
    8. Gradient
    9. Pre Calibration
    10. Post Calibration
    11. 480p Input
    12. 720p Input
    13. 1080p Input
    14. 4k Input
    15. Color Gamut
    16. Color Volume
    17. Image Retention
    18. Reflections
    19. 3D
    20. Pixels
  5. Motion
    1. Motion Blur
    2. Image Flicker
    3. 24p Playback
    4. Motion Interpolation
  6. Inputs
    1. Input Lag
    2. Supported Resolutions
    3. Side Inputs
    4. Rear Inputs
    5. Total Inputs
    6. Inputs Specifications
  7. Sound Quality
    1. Frequency Response
    2. Distortion
  8. Smart Features
    1. Interface
    2. Ads
    3. Apps and Features
    4. Remote
    5. Remote App
    6. TV Controls
    7. In The Box
    8. Misc
  9. Sizes and Variants
  10. Compared
  11. Conclusion
  12. Q&A
Reviewed on Sep 05, 2017 , Ian Cumming, Martin Leduc, Mehdi Azzabi, Eric Bousquet

Sony X720E
TV REVIEW

Usage Ratings - Version 1.1
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Test Benches:

  • 1.1: Summer 2017
  • 1.0: Winter 2015
  • 0.9: Winter 2014
  • 0.8: Winter 2013
7.3 Mixed Usage
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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)
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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.
: $380
Value for price beaten by
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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.
: Samsung MU6300
6.1 Movies
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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
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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
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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.
Score components:
7.9 Video Games
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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.
6.2 HDR Movies
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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.
7.3 HDR Gaming
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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.
8.0 PC Monitor
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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.
Type : LED
Resolution : 4k
Refresh Rate : 60 Hz

The Sony X720E is a decent entry-level 4k TV with a better than average viewing angle and low input lag for gaming. It lacks the fully-featured smart platform found on other Sony TVs and instead, offers only a limited set of apps distributed through the Opera TV Store. Due to the mediocre picture quality in a dark room, it is better placed in a brighter environment where the less uniform blacks won't be an issue.

Test Results
Design 8.0
Picture Quality 6.9
Motion 7.5
Inputs 9.1
Sound Quality 5.5
Smart Features 6.2
Pros
  • Looks good even if viewed from the sides
  • Low input lag is great for gaming
Cons
  • Limited app selection
  • Blacks aren't uniform.
Update 9/21/2017: Added note on input lag bug

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8.0

Design

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Score components: Subjectively assigned
Sony X720E Design Picture
Curved : No

The Sony X720E has a similar design to most other Sony TVs. It has the iconic central stand which supports the TV well and has a small footprint. Note that the 43" model we reviewed and the 49" model both have an external power brick, but the 55" model does not. This may make the smaller sizes a bit more difficult to wall-mount depending on your setup.

Stand
Sony X720E Stand Picture

The stand of the X720E is very similar to other Sony TVs. It has a fairly small footprint, so fits well on most tables. Despite the small footprint it feels sturdy and provides good support.

Footprint of the 43" TV stand: 9.4" x 21.9"

Back
Sony X720E Back Picture
Wall Mount : Vesa 100x200

The rear of the TV is quite basic, and the majority of it is plastic. Most of the inputs run parallel to the back of the TV and so are fairly easy to access if wall mounted. There are a couple of inputs directly out the back of the TV that may be difficult to use when placed close to a wall.

Borders
Sony X720E Borders Picture
Borders : 0.55" (1.4 cm)

The borders are quite thin, and look good. They are black plastic, like the rest of the TV.

Thickness
Sony X720E Thickness Picture
Max Thickness : 2.75" (7 cm)

The TV appears a bit thick when viewed from the side. The thickest part is near the base of the TV, and as such it may stick out a bit if wall mounted.

Temperature
Sony X720E Temperature picture
Maximum Temperature
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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
:
43 °C
Average Temperature
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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
:
34 °C

The bottom of the screen gets quite warm, but fortunately, the bottom of the frame only gets a little warm to the touch. Most of the TV's vents are along the bottom so this shouldn't be a problem.

6.5 Build Quality
Sony X720E Build quality picture

The build quality is fine. The TV is almost entirely plastic, but it still feels quite well made and strong due to the use of screws throughout the body, rather than just glue or clips.

6.9

Picture Quality

The Sony X720E IPS TV has an average picture quality. When set in a dark room, the low contrast ratio and poor black uniformity make for a mediocre experience since blacks are not deep and look more grayish than really black. This is particularly noticeable when watching a movie with a lot of dark scenes. On the opposite, when set in a bright room, the X720E is far much better since it can get bright enough to fight glare and can do an okay job dealing with reflections. The gray uniformity is good and dirty screen effect is not a problem on the X720E, which is good news for sports fans. Moreover, since the viewing angle is also good, this makes a good option to watch a big event with a lot of people as even when sitting off center, the picture quality is still pretty good. When it comes to HDR, the low HDR peak brightness, the lack of local dimming and lack of wide color gamut really hurt its performance.This means this TV is compatible with HDR but unable to display HDR content to its full potential.

5.8 Contrast
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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:
Sony X720E Checkerboard Picture
Native Contrast
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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
:
907 : 1
Contrast with local dimming
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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
:
N/A

The contrast ratio of the Sony X720E is disappointing, even for an IPS TVs, which usually have a lower contrast ratio than VA TVs. When set in a dark room, the low contrast ratio means that blacks look more grayish than really black and dark scenes look washed out. Because of this low contrast ratio, the X720E is better suited for a bright room setting, where ambient light will prevent the low contrast from being noticeable.

In comparison, this is a very similar result as the 2017 Sony X800E and the 2016 W600D, which both have a contrast ratio between 900:1 and 1000:1.

0 Local Dimming
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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
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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.
:
No
Backlight
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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.
:
Direct

The Sony X720E does not have a local dimming feature. The video is for reference only.

7.8 SDR Peak Brightness
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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
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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
:
317 cd/m2
SDR Peak 2% Window
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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
:
340 cd/m2
SDR Peak 10% Window
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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
:
342 cd/m2
SDR Peak 25% Window
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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
:
342 cd/m2
SDR Peak 50% Window
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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
:
343 cd/m2
SDR Peak 100% Window
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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
:
343 cd/m2
SDR Sustained 2% Window
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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
:
340 cd/m2
SDR Sustained 10% Window
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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
:
341 cd/m2
SDR Sustained 25% Window
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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
:
341 cd/m2
SDR Sustained 50% Window
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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
:
342 cd/m2
SDR Sustained 100% Window
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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
:
342 cd/m2
SDR ABL
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What it is: The standard deviation 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
:
0.0

Plot over time

Good SDR peak brightness, good enough for a fairly bright room. The brightness also stays nearly constant no matter the content shown, which is great. Surprisingly, increasing the 'Contrast' setting from its default 90 to maximum raises the peak brightness by ~10%. The X720E is slightly less bright than the higher tier X800E, roughly equal to the LG UJ6300 in 'Standard' mode, but far less bright than the TCL P607.

6.3 HDR Peak Brightness
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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
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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
:
326 cd/m2
HDR Peak 2% Window
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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
:
337 cd/m2
HDR Peak 10% Window
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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
:
339 cd/m2
HDR Peak 25% Window
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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
:
340 cd/m2
HDR Peak 50% Window
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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
:
340 cd/m2
HDR Peak 100% Window
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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
:
341 cd/m2
HDR Sustained 2% Window
Show Help
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
:
337 cd/m2
HDR Sustained 10% Window
Show Help
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
:
338 cd/m2
HDR Sustained 25% Window
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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
:
339 cd/m2
HDR Sustained 50% Window
Show Help
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
:
340 cd/m2
HDR Sustained 100% Window
Show Help
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
:
340 cd/m2
HDR ABL
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What it is: The standard deviation 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
:
0.001

Plot over time

Mediocre HDR peak brightness. Even though it is effectively identical to the SDR brightness, HDR demands higher brightness because highlights are mastered for 1000-4000 cd/m², which is far brighter than this TV is able to produce. On the plus side, the TV is very consistent with its brightness, which is good. Overall, the brightness is a little better than the LG UJ6300, but worse than the Sony X800E and TCL P607.

7.8 Gray Uniformity
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What it is: Evenness of colors onscreen (not just gray).
When it matters: Solid colors. Sports, panning shots.
Score components:
Sony X720E 50% Uniformity Picture
50% Std. Dev.
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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%
:
2.498 %
50% DSE
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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%
:
0.184 %
Sony X720E 5% Uniformity Picture
5% Std. Dev.
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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%
:
0.427 %
5% DSE
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What it is: High-frequency variance of uniformity. Dark spots on the screen.
When it matters: Dark scenes.
Good value: < 0.116%
:
0.08 %

The X720E overall gray uniformity is good. The 50% gray uniformity test picture shows some dark patches on each side of the screen, but besides that, the screen is pretty even, which is great since dirty screen effect is very limited and not really a problem.

Looking at the 5% gray test picture, not much comes up which is good and no problems can be seen here.

7.5 Viewing Angle
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What it is: Color accuracy when viewed from the side.
When it matters: Large living rooms with multiple viewing positions.
Score components:
LCD Type
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What it is: Type of LCD technology used by the TV.
When it matters: Different technologies have different viewing angle properties.
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.
:
IPS
Sony X720E Color Shift Picture
Color Shift
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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°
:
41 °
Sony X720E Brightness Picture
Brightness
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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°
:
51 °
Sony X720E Black Level Picture
Black Level
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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°
:
75 °

Good viewing angle, better even than most other TVs with IPS panels like the LG UJ7700. The black level stays fairly consistent at an angle which is great, while colors shift and brightness decreases when viewed from a large angle. This TV is a great fit for a room where people often sit to the side of the TV and view it at an angle.

4.8 Black Uniformity
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What it is: Evenness of blacks.
When it matters: Dark scenes viewed in a dark room.
Score components:
Sony X720E Native Black Uniformity Picture
Native Std. Dev.
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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.
:
2.785 %
Std. Dev. w/ L.D.
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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.
:
N/A

The X720E has a poor black uniformity. Flashlighting is visible on both top corners and also on the bottom left side. Note that in this test the black level is not taken into account, only the screen uniformity.

7.4 Gradient
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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.
Score components: Subjectively assigned
Sony X720E Gradient Picture
Color Depth
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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.
:
8.0 Bit

The Sony X720E does a decent job at displaying our gradient test image. Looking at our test picture, 8-bit banding can be seen and some color banding is also visible in the dark green and blue. When watching movies, banding is not problematic at all even if this TV has an 8-bit panel, which is a bit surprising, but well welcomed.

7.1 Pre Calibration
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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:
Sony X720E Pre Calibration Picture Sony X720E Pre Gamma Curve Picture Sony X720E Pre Color Picture
White Balance dE
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What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all video.
Good value: < 3
Noticeable difference: 1
:
3.71
Color dE
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What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
3.01
Gamma
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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
:
2.19

The X720E has a decent accuracy even without calibration when the 'Scene Select' is set on 'General', the 'Picture Mode' set to 'Custom' and the 'Color Temperature' set to 'Expert 1'. Other color temperatures like 'Expert 2' and 'Warm' are in the same range of accuracy, but 'Neutral' and 'Cool' are the more inaccurate by far. The white balance dE is a bit high and tending toward the warm side, with the brighter IRE being more affected. Gamma is not too off, tracking close to our 2.2 target.

The color dE is a bit better than the white balance dE and more of the issues could be related to the fact that the white point is a bit off target and as so, the rest of the color are all drifting in the same direction. But even with this, the color accuracy is still acceptable.

9.0 Post Calibration
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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:
Sony X720E Post Calibration Picture Sony X720E Post Gamma Curve Picture Sony X720E Post Color Picture
White Balance dE
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What it is: Average inaccuracy of shades of gray.
When it matters: Overall color temperature of all videos.
Good value: < 3
Noticeable difference: 1
:
0.54
Color dE
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What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
2.18
Gamma
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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
:
2.2

After calibration, the X720E is very accurate. The white balance dE was brought down to 0.54, which is imperceivable. The only problem that came up in the calibration was that some IRE point control (5 and 6) were overlapping each other, making it very difficult to adjust them correctly. This is reflected on our white balance calibration image, where the 50 and 60 point have a higher dE than the rest. After calibration, the gamma was also spot on our 2.2 target, with once again the little bump near the 50 and 60 IRE.

Like most of other Sony TVs, there is no color management system and as such, the only correction to the color accuracy was done via the white balance calibration. The white balance did correct the white point and most of the color repositioned themself with the same correction and the dE was brought down a bit, to reach 2.18, which is good enough that even the enthusiasts would not really notice the color inaccuracy.

You can see our recommended settings here.

8.0 480p Input
Show Help
What it is: Quality of a 480p input.
When it matters: Standard definition TV, DVDs.
Score components: Subjectively assigned
Sony X720E 480p Picture

Upscaling of DVDs or other low-quality content is good. Lines aren't smoothed as much as some other TVs but this helps to retain details.

8.0 720p Input
Show Help
What it is: Quality of a 720p input.
When it matters: HD channels, some streaming videos.
Score components: Subjectively assigned
Sony X720E 720p Picture

720p content such as cable looks good. Some more artifacts from the camera are visible in the photo, but this isn't present on the TV. Very few haloing artifacts are visible.

9.0 1080p Input
Show Help
What it is: Quality of a 1080p input.
When it matters: Blu-rays, streaming video, video files, video games.
Score components: Subjectively assigned
Sony X720E 1080p Picture

Full-HD sources such as Blu-rays are upscaled well. The image remains sharp and details are preserved.

10 4k Input
Show Help
What it is: Quality of a 4k UHD input.
When it matters: Streaming video, UHD Blu-rays, some PCs.
Score components: Subjectively assigned
Sony X720E 4k Picture

No issues can be seen when displaying native 4k content.

6.6 Color Gamut
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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
Show Help
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.
:
No
Sony X720E Color Gamut DCI-P3 Picture
DCI P3 xy
Show Help
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%
:
72.99 %
DCI P3 uv
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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%
:
79.04 %
Sony X720E Color Gamut Rec.2020 Picture
Rec 2020 xy
Show Help
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%
:
52.38 %
Rec 2020 uv
Show Help
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%
:
57.60 %
Sony X720E EOTF

Standard color gamut, only good enough for SDR content using the Rec 709 color space. Deep colors in HDR content won't look as saturated as intended, however most of the scene will have reasonably accurate colors.

The EOTF in the 'HDR Video' picture mode of the 'HDR' 'Scene Select' follows the PQ curve fairly closely up until it clips at the TV's peak brightness. Raising the 'Gamma' setting to max raises the EOTF nicely and brightens nearly everything, as shown here, making it useful for watching HDR content in a bright room. HDR content is only shown properly in the 'HDR' 'Scene Select'; in any other 'Scene Select' such as Game and Graphics the EOTF follows the SDR gamma curve rather than the HDR PQ curve, making dim parts of the scene too bright and bright parts too dim.

5.0 Color Volume
Show Help
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.
Sony X720E P3 Color Volume ITP Picture
Normalized DCI P3 Coverage ITP
Show Help
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%
:
56.4 %
10,000 cd/m² DCI P3 Coverage ITP
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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.
:
23.3 %
Sony X720E 2020 Color Volume ITP Picture
Normalized Rec 2020 Coverage ITP
Show Help
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 %
:
44.4 %
10,000 cd/m² Rec 2020 Coverage ITP
Show Help
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.
:
18.3 %

Poor color volume, mostly limited by the TV's standard color gamut. The TV's disappointing contrast ratio also prevents it from accurately showing dark colors, as seen in the bottom of the color volume.

10 Image Retention
Show Help
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.
Sony X720E Image Retention Picture
IR after 0 min recovery
Show Help
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 %
IR after 2 min recovery
Show Help
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 %
IR after 4 min recovery
Show Help
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 %
IR after 6 min recovery
Show Help
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 %
IR after 8 min recovery
Show Help
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 %
IR after 10 min recovery
Show Help
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 %

The X720E does not suffer from image retention at all and this is very interesting as this TV has an IPS panel, which often suffers from image retention. This is a very similar result as seen on the Sony X800E, which is also an IPS TV but does not suffer from image retention.

7.0 Reflections
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What it is: How much light is reflected by the TV.
When it matters: Bright rooms.
Score components: Subjectively assigned
Sony X720E Reflections Picture Sony X720E Bright Room Picture
Reflection
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What it is: Ratio of ambient light reflected by the TV.
When it matters: Ambient light in the room.
Good value: < 1%
Noticeable difference: 0.5%
:
2.4 %
Screen Finish
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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

The reflection handling of the Sony X720E is decent. It has a semi-gloss finish which diffuses reflection across the screen but also reduces their intensity. It is fine for an average room but may be an issue in a bright room.

0 3D
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What it is: Optional 3D video capability on TV.
When it matters: 3D movies and videos.
Score components: Subjectively assigned
3D
Show Help
What it is: If it can display a picture in 3D.
When it matters: 3D movies & videos.
:
No
3D Type
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What it is: The 3D technology used by the TV.
When it matters: 3D movies & videos.
Good value: Active have better resolution, but flickers. Passive is more comfortable, but loses half the vertical resolution.
:
No
2D to 3D
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What it is: Feature that converts 2D content to 3D.
When it matters: If you want to watch 2D content in 3D. Note that the quality is not as good as that of native 3D.
:
No

The Sony X720E does not support 3D.

Pixels
7.5

Motion

The motion performance of the X720E is good. It has a decent response time, which results in only a short trail following moving objects. It uses DC backlight dimming, so the screen doesn't flicker by default, but BFI can be enabled to add 120Hz or 60Hz flicker and clear up motion. Movies from a DVD or Blu-ray player can be played smoothly, but movies from cable or satellite boxes show some minor judder. The TV is able to interpolate content up to 60Hz for a moderate soap opera effect.

7.5 Motion Blur
Show Help
What it is: Amount of blur on fast movement.
When it matters: Sports, video games.
Score components:
Sony X720E Motion Blur Picture Sony X720E Response Time Chart
80% Response Time
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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
:
7.5 ms
100% Response Time
Show Help
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
:
20.8 ms

Response time for the X720E is good, resulting in short trails following moving objects. This is good when watching fast-paced content. The LCD panel response is similar to the X800E, but this TV overdrives the pixels more, which causes some overshoot in all of the low-to-high transitions.

8.0 Image Flicker
Show Help
What it is: Luminosity pattern when displaying images
When it matters: Sports, video games, when TV is used as a PC monitor
Score components:
Sony X720E Backlight Picture
PWM Dimming Frequency
Show Help
What it is: Flickering pattern at different luminosities.
When it matters: For people sensitive to flickering.
Good value: N/A or high frequencies (> 300 Hz). Frequencies that are multiples of 60Hz are better.
:
0 Hz
Black Frame Insertion (BFI)
Show Help
What it is: Option to turn screen black between frames
When it matters: Reduces eye tracking blur in sports or video games
Good value: Yes
:
Yes
Sony X720E BFI Picture Sony X720E BFI Frequency Picture
BFI Frequency
Show Help
What it is: Lowest possible frequency of flickering pattern
When it matters: Reduces eye tracking blur in sports or video games
Good value: 60 Hz
:
60 Hz
BFI In Game Mode
Show Help
What it is: Option to insert black frames when in the best settings for gaming
When it matters: Reducing eye tracking blur for video games
Good value: Yes
:
No

Like most Sony TVs, the X720E doesn't flicker, and instead shows each image for a full frame. Oscillations at a frequency of 10 kHz appear at low backlight settings, but this is much too fast to be noticeable without specialized equipment. The absence of flicker makes motion appear slightly smoother, but does result in persistence blur. It is possible to add 60Hz or 120Hz backlight flicker, which helps to reduce persistence blur. To add 120Hz flicker, set the 'Motionflow' option to 'Custom', and move the 'Clearness' slider to '1'. To clear up motion even more with a 60Hz flicker, set the 'Clearness' slider to 'Max'. Note that the BFI option on this TV has a very short duty cycle, which dims the image considerably when the Clearness option is enabled.

7.1 24p Playback
Show Help
What it is: Whether 24p content can play without any judder.
When it matters: Only 24p content (mostly just movies).
Judder-free 24p
Show Help
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
Show Help
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.
:
No
Judder-free 24p via 60i
Show Help
What it is: Judder-free movies over 60i signal.
When it matters: Movies from cable/satellite boxes.
:
No

The X720E can only display 24p movies without judder when those movies are played via 24p sources like DVD or Blu-ray players and this without the need to turn on any specific option from the picture setting. On the other hand, the TV can't correctly display at the right cadence 24p movies playing via 60p/60i sources like cable/satellite boxes. When the 'CineMotion' turned on or set to 'Auto', the TV did actually try to change the cadence but was not able to correctly display it as seen in this picture.

7.0 Motion Interpolation
Show Help
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.
Motion Interpolation (30 fps)
Show Help
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
Sony X720E Motion Interpolation (30 fps) Picture
Motion Interpolation (60 fps)
Show Help
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 Sony X720E has a 60Hz panel which can interpolate lower frame rate content. To enable interpolation, set 'Motionflow' to 'Custom' and increase the 'Smoothness' slider. Note that any motion interpolation will introduce artifacts, so use a small value unless you really like the soap opera effect. Interpolation on the X720E showed more artifacts than normal on our test pattern, so a low Smoothness value is recommended.

9.1

Inputs

Show Help
Score components:

The X720E can properly display nearly any content when in the correct mode, including HDR content. It also has excellent low input lag, which should please all but the most competitive gamers.

9.2 Input Lag
Show Help
What it is: Delay between input and onscreen reaction.
When it matters: Video games; when TV is used as PC monitor.
4k @ 60Hz
Show Help
What it is: Lowest input lag possible on TV when displaying 4k @ 60Hz.
When it matters: Video games and also when TV is used as PC monitor.
Good value: < 40 ms
Noticeable difference: 15 ms
:
19.8 ms
1080p @ 60Hz
Show Help
What it is: Lowest input lag possible on TV with a 1080p @ 60Hz input.
When it matters: Video games and also when TV is used as PC monitor.
Good value: < 40 ms
Noticeable difference: 15 ms
:
19.7 ms
4k @ 60Hz + HDR
Show Help
What it is: Lowest input lag possible on TV when displaying 4k @ 60Hz with HDR.
When it matters: HDR Video games.
Good value: < 40 ms
Noticeable difference: 15 ms
:
19.7 ms
1080p @ 60Hz + HDR
Show Help
What it is: Lowest input lag possible on the TV when displaying 1080p @ 60Hz with HDR.
When it matters: HDR video games from a console outputting a 1080p signal.
Good value: < 40 ms
Noticeable difference: 15 ms
:
19.7 ms
4k @ 60Hz Outside Game Mode
Show Help
What it is: Lowest input lag possible on the TV when displaying 4k @ 60Hz 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
:
120.8 ms
1080p @ 60Hz Outside Game Mode
Show Help
What it is: Lowest input lag possible on the TV when displaying 1080p @ 60Hz 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
:
121.0 ms
4k @ 60Hz @ 4:4:4
Show Help
What it is: Lowest input lag possible on TV when displaying 4k @ 60Hz @ 4:4:4.
When it matters: PC Monitor
Good value: < 40 ms
Noticeable difference: 15 ms
:
18.7 ms
1080p @ 60Hz @ 4:4:4
Show Help
What it is: Lowest input lag possible on TV when displaying 1080p @ 60Hz @ 4:4:4
When it matters: PC monitor.
Good value: < 40 ms
Noticeable difference: 15 ms
:
18.7 ms
4k @ 60Hz @ 4:4:4 + 8 bit HDR
Show Help
What it is: Lowest input lag possible on TV when displaying 4k @ 60Hz @ 4:4:4 with HDR enabled at 8 bit
When it matters: PC Monitor with an HDR capable graphic card
Good value: < 40 ms
Noticeable difference: 15 ms
:
N/A
1080p @ 60Hz @ 4:4:4 + HDR
Show Help
What it is: Lowest input lag possible on TV when displaying 1080p @ 60Hz @ 4:4:4 with HDR
When it matters: PC monitor with an HDR capable graphics card
Good value: < 40 ms
Noticeable difference: 15 ms
:
N/A
4k With Interpolation
Show Help
What it is: Lowest input lag for 4k 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
:
120.8 ms
1080p With Interpolation
Show Help
What it is: Lowest input lag for 1080p 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
:
120.7 ms
1080p @ 120 Hz
Show Help
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

Excellent low input lag, which will please all but the most competitive gamers. Both the Game and Graphics 'Scene Select' modes always have low input lag and show 4:4:4 color properly, but never show HDR content properly. The 'HDR' 'Scene Select' surprisingly has low input lag as long as 'Motionflow' is turned off, but it does not show 4:4:4 color properly. Overall the input lag is significantly lower than almost all Sony TVs, and roughly equal to Samsung TVs, but a little higher than most TCL and LG TVs.

Update 10/18/2017: There is currently a bug on the Sony X720E that causes the the input lag to rise after the TV is restarted. To make use of the low input lag, it is necessary to change picture mode to something other than "Game" or "Graphics" then back to either for them to function properly.

8.0 Supported Resolutions
Show Help
What it is: Different resolutions supported by TV.
When it matters: PC monitor usage.
Score components:
  • 20% 1080p @ 60Hz @ 4:4:4
  • 20% 1080p @ 120Hz
  • 20% 4k @ 30Hz @ 4:4:4
  • 20% 4k @ 60Hz
  • 20% 4k @ 60Hz @ 4:4:4
1080p @ 60Hz @ 4:4:4
Show Help
What it is: Crisp text on 1060p @ 60 hz signal.
When it matters: PC productivity and 60 fps gaming.
:
Yes
1080p @ 120Hz
Show Help
What it is: 120 fps 1080p signal supported.
When it matters: PC gaming.
:
No
4k @ 30Hz @ 4:4:4
Show Help
What it is: Crisp text on 4k @ 30 hz signal.
When it matters: PC productivity and gaming.
:
Yes
4k @ 60Hz
Show Help
What it is: 60 fps 4k signal supported.
When it matters: PC productivity and gaming.
:
Yes
4k @ 60Hz @ 4:4:4
Show Help
What it is: Crisp text on 4k @ 60 hz signal.
When it matters: Productivity and 60 fps gaming in 4k.
:
Yes

The TV supports most common resolutions. 4k @ 60 Hz @ 4:4:4 or 4:2:2 color is only supported on HDMI inputs 2 and 3, and only when 'HDMI Signal Format' is set to 'Enhanced'. 4:4:4 color is only displayed properly in the 'Game' and 'Graphics' modes in 'Scene Select'. 'Graphics' mode is recommended for PC monitor use as the TV's CE dimming is completely disabled. HDR content is only displayed properly in the 'HDR' 'Scene Select', which unfortunately does not display 4:4:4 color properly.

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

Inputs Specifications
HDR10
Show Help
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
Show Help
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.
:
No
5.1 Passthrough ARC Dolby Digital
Show Help
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
Show Help
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.
:
Yes
5.1 Passthrough Optical Dolby Digital
Show Help
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
Show Help
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.
:
Yes
HDMI 2.0 Full Bandwith : Yes (HDMI 2,3)
ARC : Yes (HDMI 3)
USB 3 : No
HDCP 2.2 : Yes (HDMI 1,2,3)
CEC : Yes
MHL : No
Variable Analog Audio Out : Yes

HDR is only displayed properly in the 'HDR' 'Scene Select'. HDR content is detected when 'Scene Select' is set to 'Auto', and the TV changes to 'HDR' automatically. When HDR content is viewed in any other 'Scene Select' it will not be displayed properly (darks will be too bright, brights will be too dark, etc).

5.5

Sound Quality

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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:

Unforutunately, the Sony X720E doesn't sound very good. Most soundbars would be a significant upgrade to its sound system. It does get pretty loud though.

5.3 Frequency Response
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What it is: How accurately the sound level of each frequency is being produced.
When it matters: For a balanced and neutral sound.
Sony X720E Frequency Response
Low-Frequency Extension
Show Help
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
Show Help
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
:
6.86 dB
Std. Dev. @ 80
Show Help
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
:
6.87 dB
Std. Dev. @ Max
Show Help
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
:
7.16 dB
Max
Show Help
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
:
97.1 dB SPL
Dynamic Range Compression
Show Help
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
:
2.65 dB

Poor frequency response. The X720E has a strong overemphasis on lower frequencies and a very poor bass extension, causing it to sound muddy and to lack clarity. At 97.1 dB of maximum volume though, it does get fairly loud for a TV.

6.0 Distortion
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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:
Sony X720E Total Harmonic Distortion
Weighted THD @ 80
Show Help
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
:
0.081
Weighted THD @ Max
Show Help
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
:
16.588
IMD @ 80
Show Help
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
:
0.77 %
IMD @ Max
Show Help
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
:
31.74 %

Mediocre distortion performance. While it does decently at lower volumes, THD levels spike up with higher volume settings reaching noticeable levels.

6.2

Smart Features

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Score components:
  • 42% Interface
  • 2% Ads
  • 37% Apps and Features
  • 16% Remote
  • 3% Remote App
Sony X720E Smart TV Picture
Smart OS : Custom Sony

The X720E runs a custom Sony operating system and uses the Opera TV app store. The smart OS is fairly simple but does have almost all the functions users expect on a smart TV, and has Netflix, YouTube and Amazon Video built in. However, the organization of the interface is unintuitive in some areas, especially picture settings, which can cause confusion for first time users.

6.0 Interface
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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
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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.
:
Not Easy
Smoothness
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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
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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.
:
4 s
Time Taken to Change Backlight
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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
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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 TV's interface has no animations and is very responsive, so navigation is fast. However, it has some very unintuitive organization choices, mostly involving the picture settings. When content is playing, there is an 'Options' menu containing quick settings. The first item is 'Picture Adjustments' and the sixth item is 'Scene Select', yet the contents of 'Picture Adjustments' depend on which 'Scene Select' (ex Auto, Game, Movie, HDR) is active. There is also a 'Picture Mode', which is easily confused with 'Scene Select'. There is no indicator that content is playing in HDR, and HDR is only displayed properly in the 'HDR' Scene Select, so it's possible to play HDR content in a different Scene Select and have it shown improperly (darks too light, brights too dim) without knowing this is happening. Leaving 'Scene Select' on 'Auto' should avoid most of these cases, but it's still a very unintuitive way to organize picture settings.

10 Ads
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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:
Ads
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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.
:
No
Opt-out
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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.
:
N/A
Suggested Content in Home
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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.
:
No
Opt-out of Suggested Content
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What it is: Whether the suggested content feed in the home menu can be removed or hidden
:
N/A

The TV has no ads in its main interface or suggested content in its home screen, which is great.

6.5 Apps and Features
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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
Sony X720E Apps Picture
App Selection
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What it is: The number and variety of apps available to download for the smart platform.
When it matters: When downloading new apps.
:
Not Many
App Smoothness
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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
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What it is: Whether apps on a phone or tablet can cast content to the TV.
:
Yes
USB Drive Playback
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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
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What it is: Whether HDR files played from a USB drive can be displayed properly.
:
Yes
HDR in Netflix
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What it is: Whether HDR content on Netflix can be played back in HDR using the native Netflix app.
:
Yes
HDR in Amazon Video
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What it is: Whether HDR content on Amazon Video can be played in HDR using the native Amazon Video app.
:
Yes
HDR in YouTube
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What it is: Whether HDR content on YouTube can be played in HDR using the native YouTube app.
:
Yes

The TV has a few apps built in, such as Netflix, YouTube and Amazon Video. It also has the OperaTV app store, which doesn't have many major apps.

6.5 Remote
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What it is: The usability and features of the TV's physical remote.
Score components: Subjectively assigned
Sony X720E Remote Picture
Size
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What it is: How big the remote is
:
Large
Voice Control
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What it is: The capabilities of the TV's voice control feature
:
No
CEC Menu Control
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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.
:
Yes
Other Smart Features
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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 is large with many buttons like other Sony remotes, but it has no smart features such as voice control. It is fairly light for its size, but its build quality isn't very good and its rubber chunk buttons aren't as easy to press as the buttons on other remotes. Overall it's very similar to the remotes of the X800E and X850E, but without voice control and with some button differences due to their different smart platforms.

1.0 Remote App
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What it is: The features of the official phone and tablet app for the TV.
Score components: Subjectively assigned
Acts as the Remote
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What it is: Whether the remote app can emulate all the buttons of the physical remote.
:
No
Launches Apps and Inputs
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What it is: Whether the remote app can launch the TV's apps and change between its inputs.
:
No
Inputs Text in YouTube
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What it is: Whether the remote app can enter text for YouTube searches.
:
No
Inputs Text in Netflix
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What it is: Whether the remote app can enter text for Netflix searches.
:
No
Streams Device Files
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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.
:
Limited Support
Controls TV Settings
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What it is: Whether the app can change all or some of the settings on the TV, such as the backlight.
:
No
Voice Control
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What it is: Whether the remote can send voice commands to the TV.
:
No

The TV has no official remote app, but it does have a 'Photo Sharing Plus' feature. The TV creates its own Wifi Direct connection with a device, then provides a web address containing a web app that can play the device's own images and music files on the TV. One limitation of this is that the device must disconnect from their wifi internet in order to connect to the TV's Wifi Direct, which can be inconvenient.

TV Controls
Sony X720E Controls Picture

The TV has three physical buttons. A short press on the middle button changes between inputs and volume functions, while the up and down arrows increment the function. A long press on the middle button turns the TV on and off.

In The Box
Sony X720E In The Box Picture

  • Manual
  • Batteries
  • Remote
  • External power brick
  • Power cable
  • Cable management strap
  • Component adapter

Misc
Power Consumption : 38 W
Power Consumption (Max) : 76 W
Firmware : 4.421-1.080-05

Differences between Sizes and Variants

We tested the 43" (KD43X720E). For the most part, we expect our review to be valid for the 49" (KD49X720E) and 55" (KD55X720E).

If someone comes across a different type of panel or if their Sony X720E doesn't correspond to our review, let us know and we will update the review. Unlike the 43" and 49" models, the 55" variant has an internal power brick.

Size Model
43" KD43X720E
49" KD49X720E
55" KD55X720E

Compared to other TVs

Sony X720E Group Shot Picture
Top left: Vizio M Series 2017 (M65-E0). Bottom left: Sony X800E (XBR43X800E). Middle: Sony X720E (KD43X720E). Top right: Samsung MU7000 (UN55MU7000). Bottom right: TCL P607 (55P607).  Unlike our other photographs, this picture wasn't taken under a controlled environment, so do not draw conclusions from it.

The Sony X720E offers decent value overall compared to most of its competition. It doesn't have the best picture quality, but it's still a good choice for some usages.

Vizio M Series 2017
50" 55" 65" 70" 75"

The M Series 2107 is a midrange LED TV which features advanced local dimming and HDR capabilities not usually found in mid range TVs. Compared to the Sony X720E, it offers better picture quality in a dark room and better support for HDR thanks to its wide color gamut and higher brightness. If you can afford it, it's a nice upgrade over the X720E.

Sony X800E
43" 49" 55"

The Sony X800E is a step up in their line of 4k LED TVs. It features a slightly more premium design, more capable smart features and more in-depth HDR capabilities. Overall though, it doesn't offer much for the added cost over the X730E, so unless you really want the Android features found on the X800E, go for the X720E.

Samsung MU7000
40" 49" 55" 65"

The MU7000 is a mid-range 4k LED TV from Samsung. It features a wide color gamut for HDR content and has a better picture quality in a dark room than the X720E. It also sports a much more capable smart platform which saves you from having to purchase a standalone device. Both are decent TVs, but the Samsung is a better pick for a dark room, while the X720E is a better pick in a bright room.

TCL P607
55"

The TCL P607 is a midrange 4k LED TV packed with features usually only found on premium models like local dimming, wide color gamut and very low input lag for gaming. Overall, it's a better TV than the Sony X720E, especially thanks to its excellent Roku smart features and picture quality. If your usage is centered around sports or TV shows in a bright room though, the Sony is worth considering.

Conclusion
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7.3Mixed Usage
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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:
Decent TV for a mixed usage. The Sony X720E does especially well for sports and TV shows thanks to its good performance in a bright room and wide viewing angle. Unfortunately, its performance in a dark room leaves a lot to be desired due to its shallow, uneven blacks.
6.1Movies
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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:
Subpar TV for watching movies in a dark room. When sitting directly in front, black regions of the screen can appear blotchy which causes letterboxes to be quite distracting. The low contrast also reduces the depth of the picture which gives the image a flatter look.
7.6TV Shows
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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:
Very good choice for watching TV shows in a bright room. The X720E gets decently bright to overcome reflections well, and it is free of any temporary image retention. Unfortunately, fans of the soap opera effect might be disappointed by its motion interpolation capabilities.
7.5Sports
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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.
Score components:
Good TV for watching sports. The Sony X720E's grays and colors are quite uniform, so sports fields and ice rinks look smooth and free of blotchiness. The TV's wide viewing angle is also great for game day parties with friends where people will be watching the TV from the sides.
7.9Video Games
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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.
Great TV for playing video games. The Sony X720E's low input lag and great handling of motion keep games responsive and immersive. Even if it is only 60 Hz, it can flicker to reduce motion blur even further.
6.2HDR Movies
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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.
Subpar choice for HDR movies. While the X720E does have some support for HDR formats, it cannot display a wide color gamut and cannot get bright enough to showcase a good HDR effect.
7.3HDR Gaming
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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.
Mediocre for HDR gaming. While its input lag remains low across input types, the X720E's limited HDR capabilities mean that you won't see much of a difference when playing HDR games.
8.0PC Monitor
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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.
Great TV to use as a monitor. It supports important resolutions such as 4k@60hz with 4:4:4 for smooth text. Combined with its low input lag, low motion blur, and wide viewing angle, it makes for a PC monitor that would suit almost every uses. It's only missing support for a 120hz refresh rate for competitive gaming.
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Questions & Answers

5 ANSWERED QUESTIONS
3
X720e vs X800E; comparing motion blur images. Why does the X720E have vision banding during all motion tests while the X800E looks smooth in its tests? Is that 10bit vs 8bit? Just the way the image was captured? You can see the bands on the ghosting clearly on the second image during the X720E BFI test.
Those horizontal bands are just camera artifacts. The X720E and X800E should have similar motion performance, except when BFI is enabled. The X720E's 60 Hz BFI is better than the X800E's 120 Hz BFI because both have 60 Hz panels, but the X720E's BFI makes it very dim and is not available in game mode.
3
I'm pretty sure the 55 inch has a VA panel which would surely change the rating especially for contrast. That being said, how does it stack up to other TVs in this price.
Thank you for your question. We've received a few reports about the 55" European equivalent of the X720E using a different LCD type, but we haven't been able to confirm this about the US model we've tested. In its price range, the X720E doesn't have the best picture quality available, but its feature set makes it unmatched for sports, TV shows in a brighter environment and for use as a PC monitor.It's also quite good for video games, but TVs like the TCL P607 do even better in that aspect and offer much better picture quality in a dark room.
2
I have checked with my Leo Bodnar and when you turn the tv off and back on again, it turns off game or graphic mode and the lag goes up to 118ms. You have to then go to scene select and go away from game or graphic mode then back to it in order for the lag to lower again to 18.7ms. I thought I would share this because playing games and not knowing why the lag went super high will be very upsetting to people. This is on the newest firmware that you used. Hopefully Sony fixes this!
Thank you for pointing this out. We've added a note to the input lag section of the review to make light of these issues.
0
I see that this tv has an IPS panel, whereas the other new Sony, the KD-60x690e has a VA panel. Would the VA panel help any of the spots where this one falls short? I.E. - Contrast, HDR peak brightness, Black Uniformity and Color Gamut?
Since they are both budget-oriented TVs, we do not expect the X690E to have a wider color gamut or higher brightness than the X720E as these are not particular shortcomings of IPS type LCDs. The contrast and black uniformity will most likely be significantly better though, at the expense of the very wide viewing angle the X720E sports.
0
Hi, I am looking for 55 inch television primarily for News, Sports, Kids videos (youtube). I have a home theatre for movies, so wont be using the TV much for movies. I will need a good viewing angle as I will be mounting it on fireplace and viewing it an angle. I am confused between Sony X720E, LG 7700, Vizio P series (55 inch is IPS). Which one would you suggest ?
Since we unfortunately have not tested the IPS variant of the Vizio P, we cannot really comment on its performance. Overall though, it's tough to find a better TV than the X720E for the types of content you plan on using it with, and it is a safe choice. If you can still find it, the Sony X700D from last year is also a great option, and it might be a little cheaper than the X720E.
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