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Reviewed on Apr 22, 2016

Samsung KS8000
TV REVIEW

Usage Ratings - Version 1.0

Test Benches: test

  • 1.2: Winter 2018
  • 1.1: Summer 2017
  • 1.0: Winter 2015
  • 0.9: Winter 2014
  • 0.8: Winter 2013
8.2
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:
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.
: Not at the latest test bench
8.2
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:
8.0
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:
7.9
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.
Score components:
8.4
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.
Score components:
8.4
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.
Score components:
8.5
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.
7.3
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:
This tv was replaced by the Samsung Q7F

Type : LED
Resolution : 4k
Refresh Rate : 120 Hz

The 4k Samsung KS8000 LED is a well rounded UHD TV that delivers a great picture quality. However, its picture deteriorates at an angle. From the front, everything looks colorful and detailed. It handled motion well and input lag was especially low. The KS8000 can also get very bright and does justice to HDR content. The equivalent model in Europe is the KS7000.

Pros
  • Movies and HDR look great.
  • Very bright which is good to handle reflections.
  • Low input lag which is great for playing video games.
Cons
  • Picture deteriorates at an angle.

Test Results
Design 9.0
Picture Quality 8.1
Motion 8.1
Inputs 8.1
Sound Quality 6.6
Smart Features 8.5

Check Price

9.0

Design

Score components: Subjectively assigned
Samsung KS8000 Design Picture
Curved : No

The look of the Samsung KS8000 is particularly good. Its design is simple yet high-end. From the chrome finish to its glossy back, this TV leaves an impression. When viewed directly from the side, its thinnest is striking. Its shiny stand also look good but its footprint is a little wide.

Stand
Samsung KS8000 Stand Picture

The stand of the Samsung KS8000 is simple and boast a chrome metallic finish. Assembly for these two stands were just a one step job, needing no screws or tools.

Footprint of the 55" TV stand: 44.1" x 9.1"

On the 65" TV, an alternate middle position can be used for the stands where the two feet are about 39" apart.

On the 60" TV, an alternate middle position can also be use for the stand.

Back
Samsung KS8000 Back Picture
Wall Mount : VESA 400x400

The Samsung KS8000 has a black reflecting plastic backing, that is prone to both dust and scratches.

Remove the plastic stoppers to expose the mounting points. Bolt sleeves are included in the box for mounting.

The back panel of the TV is attached by glue, which is reported by some readers to become unstuck over time. This does not affect the picture quality of the TV.

Borders
Samsung KS8000 Borders Picture
Borders : 0.28" (0.7 cm)

Metal borders are thin and elegant.

Thickness
Samsung KS8000 Thickness Picture
Max Thickness : 1.5" (3.8 cm)

At an 90 degree angle, the TV looks extremely thin.

8.1

Picture Quality

Score components:

Picture quality is excellent on the Samsung KS8000. Even in a pitch black room, dark scenes appear richly detailed. In more colorful material like cartoons, the color pops and can get very saturated. The same can be said for HDR content which impresses. The KS8000 does a good job with low quality content too like for standard cable TV and DVDs. Deals very well with reflections and can get bright to suit even the brightest room.

9.3 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:
Samsung KS8000 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
:
6906 : 1

Very deep blacks and remarkable native contrast ratio results in a rich picture quality. The contrast is very similar to the Samsung KS9500.

3.5 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.
:
Edge

The Samsung KS8000 wasn't able to brighten the little dot in our video that much. When local dimming is activated, it produces blooming around bright highlights, on a big vertical column. Still, for regular movie watching and especially HDR content, local dimming ('Smart LED') is worth it for the deeper blacks it produce and the very bright highlights. Blooming is more noticeable at an angle.

8.5 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. This scene was selected to represent a more regular 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 SDR signal. Scene: here.
When it matters: When watching movies or watching TV show in SDR.
:
489 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; especially for SDR content.
Good value: > 400 cd/m2
Noticeable difference: 100 cd/m2
:
1116 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; especially for SDR content.
Good value: > 400 cd/m2
Noticeable difference: 100 cd/m2
:
1332 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: Bright rooms; bright objects in SDR video.
Good value: > 400 cd/m2
Noticeable difference: 100 cd/m2
:
723 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: Bright rooms.
Good value: > 400 cd/m2
Noticeable difference: 100 cd/m2
:
528 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: Bright rooms
Good value: > 400 cd/m2
Noticeable difference: 100 cd/m2
:
532 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 throughout a scene; especially for SDR content.
Good value: > 400 cd/m2
Noticeable difference: 100 cd/m2
:
296 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 throughout a scene; especially for HDR content.
Good value: > 400 cd/m2
Noticeable difference: 100 cd/m2
:
644 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: Bright rooms; bright objects in SDR video.
Good value: > 400 cd/m2
Noticeable difference: 100 cd/m2
:
522 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: Bright rooms.
Good value: > 400 cd/m2
Noticeable difference: 100 cd/m2
:
538 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: Bright rooms.
Good value: > 400 cd/m2
Noticeable difference: 100 cd/m2
:
530 cd/m2

The KS8000 has a very good SDR peak brightness. It is a bit less bright than when in HDR mode, but it is still one of the brightest TV tested in 2016.

8.5 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.
:
453 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: > 1000 cd/m2
Noticeable difference: 100 cd/m2
:
1472 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: > 1000 cd/m2
Noticeable difference: 100 cd/m2
:
1431 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: > 1000 cd/m2
Noticeable difference: 100 cd/m2
:
964 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: > 1000 cd/m2
Noticeable difference: 100 cd/m2
:
513 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: > 1000 cd/m2
Noticeable difference: 100 cd/m2
:
509 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: > 1000 cd/m2
Noticeable difference: 100 cd/m2
:
505 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: > 1000 cd/m2
Noticeable difference: 100 cd/m2
:
508 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: > 1000 cd/m2
Noticeable difference: 100 cd/m2
:
509 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: > 1000 cd/m2
Noticeable difference: 100 cd/m2
:
513 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: > 1000 cd/m2
Noticeable difference: 100 cd/m2
:
510 cd/m2

Like for other TVs, we use the local dimming setting ('Smart LED') that brighten the 2% window the most, in that case 'High'. The peak brightness of small highlights is very high at 1472 cd/m². On a static image, the maximum brightness drops to around 500 cd/m². For the best HDR experience, leave 'Smart LED' to 'High'.
Update: Updated with sustained brightness and remeasured the peak brightness (which is now even closer to the KS9000).

7.5 Gray Uniformity
What it is: Evenness of colors onscreen (not just gray).
When it matters: Solid colors. Sports, panning shots.
Score components:
Samsung KS8000 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%
:
3.536 %
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%
:
0.165 %
Samsung KS8000 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%
:
1.319 %
5% DSE
What it is: High-frequency variance of uniformity. Dark spots on the screen.
When it matters: Dark scenes.
Good value: < 0.116%
:
0.106 %

The left and right edges of the screen are darker and the top and bottom edges are slightly brighter. That said, there is no obvious banding problems which result in a minimum of the 'dirty screen effect' (DSE). Compared to most TVs, this is good.

4.7 Viewing Angle
What it is: Color accuracy when viewed from the side.
When it matters: Large living rooms with multiple viewing positions.
Score components:
LCD Type
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.
:
VA
Samsung KS8000 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°
:
21 °
Samsung KS8000 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°
:
41 °
Samsung KS8000 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°
:
19 °

Viewing angle is a notable downside of this TV but we have seen worse. Still, from an angle, the blacks aren't as deep and the colors change.

9.9 Black Uniformity
What it is: Evenness of blacks.
When it matters: Dark scenes viewed in a dark room.
Score components:
Samsung KS8000 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: < 2%
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.
:
0.432 %

While displaying a completely black picture, the KS8000 doesn't exhibit any obvious issues. Some very faint clouding spots but as a whole the screen looks uniform.

9.5 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.
Score components: Subjectively assigned
Samsung KS8000 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

Very smooth color gradations. Very minor inconsistencies in reds prevent the Samsung KS8000 from getting a perfect score. In regular content though, this won't be noticeable.

9.1 Pre Calibration
What it is: TV's color accuracy before a full calibration. Only the picture mode and backlight level were changed.
When it matters: All video on an uncalibrated TV. This represents most people's use cases.
Score components:
Samsung KS8000 Pre Calibration Picture Samsung KS8000 Pre Gamma Curve Picture Samsung KS8000 Pre Color Picture
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
:
1.46
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
1.6381
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
:
2.15

Very low dE for out of the box which is excellent. Some TVs can't even get at that level after calibration.

9.9 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:
Samsung KS8000 Post Calibration Picture Samsung KS8000 Post Gamma Curve Picture Samsung KS8000 Post Color Picture
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
:
0.3
Color dE
What it is: Average inaccuracy of colors.
When it matters: All colors.
Good value: < 3
Noticeable difference: 1
:
0.2146
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
:
2.2

Near perfect post calibration results. As with other Samsung TVs, calibration was easy to achieve. Both white balance and color has very low dE. Gamma sit correctly at 2.2. Our calibration settings can be found here.

8.0 480p Input
What it is: Quality of a 480p input.
When it matters: Standard definition TV, DVDs.
Score components: Subjectively assigned
Samsung KS8000 480p Picture

The Samsung KS8000 does a great job with every resolutions it supports, even the low ones like for DVDs and SD channels looks good.

8.0 720p Input
What it is: Quality of a 720p input.
When it matters: HD channels, some streaming videos.
Score components: Subjectively assigned
Samsung KS8000 720p Picture

Cable TV is also looking very good on the KS8000.

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
Samsung KS8000 1080p Picture

1080p content like Blu-rays looks great and well detailed.

10 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
Samsung KS8000 4k Picture

4k looks superb on this TV, like on the rest of Samsung SUHD line of TVs.

8.2 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
Samsung KS8000 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%
:
91.95 %
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%
:
95.54 %
Samsung KS8000 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%
:
66.79 %
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%
:
73.68 %

Good color coverage as a whole. Colors can get very rich under HDR materials.

7.1 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.
Samsung KS8000 P3 Color Volume Picture
Normalized DCI P3 Coverage
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 %
:
80.520 %
10,000 cd/m² DCI P3 Coverage
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.
:
56.817 %
Samsung KS8000 2020 Color Volume Picture
Normalized Rec 2020 Coverage
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 %
:
63.192 %
10,000 cd/m² Rec 2020 Coverage
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.
:
42.406 %

The Samsung KS8000 is one of the 2016 top performers in color volume and produces very saturated colors at high luminosity levels. Unfortunately, at low luminosity levels the colors can't get very saturated.

10 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.
Samsung KS8000 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%
:
0.000 %
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%
:
0.000 %
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%
:
0.000 %
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%
:
0.000 %
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%
:
0.000 %
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%
:
0.000 %

Like many other VA TVs, the Samsung KS8000 does not present any image retention at all. Even right after the 10 minutes burn-in scene, no faint image can be seen from any of the colored logos. This is a very good result and should please any gamers of PC users.

9.5 Reflections
What it is: How much light is reflected by the TV.
When it matters: Bright rooms.
Score components: Subjectively assigned
Samsung KS8000 Reflections Picture Samsung KS8000 Bright Room Picture
Reflection
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%
:
0.5 %
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.
:
Glossy

Very faint reflections. The picture can still be seen through reflections which is great. The TV can get bright enough to fit in any room, even the brightest.

0 3D
What it is: Optional 3D video capability on TV.
When it matters: 3D movies and videos.
Score components: Subjectively assigned
3D
What it is: If it can display a picture in 3D.
When it matters: 3D movies & videos.
:
No
3D Type
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
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

Pixels
8.1

Motion

Motion looks good on the Samsung KS8000. There isn't much motion blur thanks to the good response time. Movies play smoothly over any source and content can be interpolated up to the panel's native refresh rate of 120Hz.

7.8 Motion Blur
What it is: Amount of blur on fast movement.
When it matters: Sports, video games.
Score components:
Samsung KS8000 Motion Blur Picture Samsung KS8000 Response Time Chart
Response Time
What it is: How quickly pixels can change color.
When it matters: Fast movement.
Good value: < 20ms
Noticeable difference: 10ms
:
18.0 ms
Overshoot
What it is: When TV’s pixels adjust too far; how quickly they come back.
When it matters: Fast movement.
Good value: < 10ms
Noticeable difference: 10ms
:
0.2 ms

This isn't the fastest response time we've seen but it won't be a problem in most cases. The trail behind our logo has an average length but is faint enough not to be an issue in regular content.

4.8 Image Flicker
What it is: Luminosity pattern when displaying images
When it matters: Sports, video games, when TV is used as a PC monitor
Score components:
Samsung KS8000 Backlight Picture
PWM Dimming Frequency
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)
:
120 Hz
BFI
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
Samsung KS8000 BFI Picture Samsung KS8000 BFI Frequency Picture
BFI Frequency
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
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

The KS8000 uses PWM to dim the backlight, which results in some duplications following the logo. It is possible to reduce the flicker frequency to 60Hz which helps to clear up motion, but this isn't possible when in the 'Game' special viewing mode.

10 24p Playback
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

24p sources is always judder-free no matter the TV settings. To remove judder from 60p and 60i sources, set 'Auto Motion Plus' to 'Custom' and both sliders to 0. This won't add the soap opera effect (SOE).

10 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.
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
Samsung KS8000 Motion Interpolation (30 fps) Picture
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.
:
Yes
Samsung KS8000 Motion Interpolation (60 fps) Picture

Since this TV is 120Hz, 'Auto Motion Plus' can be used on 30Hz and 60Hz signals. This will add the soap opera effect (SOE). Low custom values will work well to smooth out motion with a minimum of the soap opera effect.

8.1

Inputs

Score components:

Very responsive to input on the Samsung KS8000. Input lag is great for even the most serious gamers. Those who want to use the TV as a PC monitor will also like the multiple inputs and resolutions it supports and the fact that the screen can get very sharp with the good settings.

8.2 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 input.
When it matters: Video games and also when TV is used as PC monitor.
Good value: < 40ms
Noticeable difference: 15ms
:
20.9 ms
1080p With Interpolation
What it is: Lowest input lag 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: < 40ms
Noticeable difference: 15ms
:
118.9 ms
1080p @ 60Hz Outside Game Mode
What it is: Input lag in picture modes other than the specific game mode.
When it matters: For playing video games while retaining access to all features of the TV.
Good value: < 40ms
Noticeable difference: 15ms
:
113.5 ms
1080p @ 60Hz @ 4:4:4
What it is: Lowest input lag possible on TV when displaying 1080p @ 60Hz @ 4:4:4
When it matters: PC monitor.
Good value: < 40ms
Noticeable difference: 15 ms
:
37.8 ms
4k @ 60Hz
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: < 40ms
Noticeable difference: 15 ms
:
22.7 ms
4k @ 60Hz @ 4:4:4
What it is: Lowest input lag possible on TV when displaying 4k @ 60Hz @ 4:4:4.
When it matters: PC Monitor
Good value: < 40ms
Noticeable difference: 15 ms
:
37.4 ms
4k @ 60Hz + HDR
What it is: Lowest input lag possible on TV when displaying 4k @ 60Hz with HDR.
When it matters: HDR Video games.
Good value: < 40ms
Noticeable difference: 15 ms
:
21.1 ms
4k @ 60Hz @ 4:4:4 + 8 bit HDR
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: < 40ms
Noticeable difference: 15 ms
:
37.6 ms

Great, even for competitive gaming. Not to say that this TV will make anyone's skills improve but those who like to have every little advantages on their side will enjoy that low of an input lag. The overall experience feels very responsive even for the games that requires very fast reflexes. To get that low input lag, 'Game' mode has to be enabled. When sending and HDR signal under game mode at an 1080p resolution, the input lag is 22.6ms.

Update 04/21/2017: Some users are reporting a bug with game mode which causes an infrequent and temporary (1-2 seconds) separation of colors.

8.0 Supported Resolutions
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
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
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

Most of the tested inputs works except for 120Hz. To ge 4k @ 60Hz @ 4:4:4, 'HDMI UHD Color' has to be enabled from the picture menu. For other resolution, labeling the HDMI input to 'PC' will do the trick. Input lag in PC mode is 37.8 ms.

Side Inputs
Rear Inputs
Samsung KS8000 Rear Inputs Picture

Inputs are located on the required One Connect box.

Total Inputs
HDMI : 4
USB : 3
Digital Optical Audio Out : 1
Analog Audio Out 3.5mm : 0
Analog Audio Out RCA : 0
Component In : 0
Composite In : 0
Tuner (Cable/Ant) : 1
Ethernet : 1
DisplayPort : 0
IR In : 0
SD/SDHC : 0

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: Currently, only available via streaming.
:
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.
:
Yes
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.
:
Yes
HDMI 2.0 Full Bandwith : Yes
ARC : Yes (HDMI 4)
USB 3 : No
HDCP 2.2 : Yes
CEC : Yes
MHL : No
Variable Analog Audio Out : No

The TV supports 5.1 passthrough for Dolby Digital and DTS, but it is necessary to select the correct audio type in the sound settings, since it doesn't change automatically.

6.6

Sound Quality

Score components:

The sound on the Samsung KS8000 is not too bad but most basic sound bars or home theater setups will complement the TV much better. In some minimal setups though, like for in a bedroom, it gets the job done without any additional wire clutters.

Note: Sound Quality test for TVs reviewed before 2017 was performed at 75dB, 85dB, and Max SPL. Starting 2017, the target SPL levels have been changed to 70dB, 80dB, and Max dB SPL.

7.1 Frequency Response
What it is: Sound level at different frequencies.
When it matters: For balanced sound.
Score components:
Samsung KS8000 Frequency Response Picture
Std. Dev. @ 70
What it is: Variance of the sound level at different frequencies.
When it matters: 70 dB.
Good value: < 4 dB
Noticeable difference: 2 dB
:
3.72 dB SPL
Std. Dev. @ 80
What it is: Variance of the sound level at different frequencies.
When it matters: 80 dB.
Good value: < 4 dB
Noticeable difference: 2 dB
:
4.33 dB SPL
Std. Dev. @ Max
What it is: Variance of the sound level at different frequencies.
When it matters: Max volume.
Good value: < 4 dB
Noticeable difference: 2 dB
:
6.49 dB SPL
Max
What it is: Max volume on the TV at a distance of 1 meter.
When it matters: For listening to loud audio.
Good value: > 90 dB
Noticeable difference: 2 dB
:
92.2 dB SPL
Low-end Cutoff
What it is: How low of a frequency at which the bass starts.
When it matters: Movies; gaming.
Good value: < 50Hz
Noticeable difference: 10Hz
:
84.76 Hz

Decent frequency response, especially for a TV. The low-end cutoff of 85Hz and maximum loudness of 92dB are good. However, there will be noticeable pumping and compression under heavy load.

5.6 Total Harmonic Distortion
What it is: Pureness of a single frequency.
Score components:
Samsung KS8000 Total Harmonic Distortion Picture
Distortion @ 70
What it is: Amount of distortion.
When it matters: 70 dB.
Good value: < 0.100
Noticeable difference: 0.100
:
0.024
Distortion @ 80
What it is: Amount of distortion.
When it matters: 80 dB.
Good value: < 0.100
Noticeable difference: 0.100
:
0.073
Distortion @ Max
What it is: Amount of distortion.
When it matters: 85 dB.
Good value: < 0.100
Noticeable difference: 0.100
:
0.165

Subpar results. The overall amount of harmonic distortion is rather high, but at the same time, there is not a big jump at higher SPLs and distortion remains relatively constant.

8.5

Smart Features

Score components: Subjectively assigned
Samsung KS8000 Smart TV Picture
Smart OS : Tizen (2016)

The Samsung KS8000 smart platform isn't the best but offers a good experience. Navigating through the different menus and launching apps feels responsive. Most popular apps are available.

When a new device is detected (such as when a computer is woken from sleep while plugged into an HDMI port) the TV automatically switches to this device. This may be an annoyance if you are watching other content at the time.

Apps
Samsung KS8000 Apps Picture

Most popular apps (YouTube, Amazon, Netflix,...) are available and the whole selection is good.

0 Ads
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:
Samsung KS8000 Ads Picture
Ad-free
What it is: The TV's ability to provide an ad-free experience.
When it matters: When using the smart features.
:
No
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

Unfortunately, there are ads on this TV. There is also no way to completely disable them.

TV Controls
Samsung KS8000 Controls Picture

A button located underneath the bottom right of the TV can be used for basic operations like changing volume, inputs and turning the TV on and off. This button can be operated in a setup where the TV is wall-mounted.

Remote
Samsung KS8000 Remote Picture
Remote : Smart

The remote is simple and comfortable, making it easy to navigate through the Tizen interface. It can be used with voice command but not as a pointer which could have been handy for text input.

In The Box
Samsung KS8000 In The Box Picture

- Remote
- Batteries
- Wall mount spacers/adapters
- Mini One Connect box with cable
- Manuals

Misc
Power Consumption : 52 W
Power Consumption (Max) : 139 W
Firmware : 1008

Differences between Sizes and Variants

We tested the 55" (UN55KS8000) version FA01. It is also available with version AA02. For the most part, we expect our review to be valid for the other sizes. 

We've received a report that the 60" (UN60KS8000) has version EA01, with a narrower viewing angle. The 60" also has a different bezel that is thicker.

We also receive information about the 65" model (UN65KS8000), it seem there is also the version FA01 and AA02.

If someone comes across a different type of panel or if their Samsung KS8000 doesn't correspond to our review, let us know and we will update the review.

Size Model US Canada UK Warehouse Wharehouse long
49" UN49KS8000 UN49KS8000FXZA UN49KS8000FXZC UE49KS7000 UN49KS800D UN49KS800DFXZA
55" UN55KS8000 UN55KS8000FXZA UN55KS8000FXZC UE55KS7000 UN55KS800D UN55KS800DFXZA
60" UN60KS8000 UN60KS8000FXZA UN60KS8000FXZC UE60KS7000 UN60KS800D UN60KS800DFXZA
65" UN65KS8000 UN65KS8000FXZA UN65KS8000FXZC N/A UN65KS800D UN65KS800DFXZA

Compared to other TVs

Samsung KS8000 Group Shot Picture
Top row, from left: Vizio P Series 2016 (P65-C1), Samsung KS8000 (UN55KS8000), Samsung KS9000 (UN55KS9000). Bottom: LG UH8500 (55UH8500), Sony X850D (XBR55X850D), Samsung KS8500 (UN55KS8500). Unlike our other photographs, this picture wasn't taken under a controlled environment, so do not draw conclusions from it.

The Samsung KS8000 is the best buy for a TV in this price range if you want to use it for multiple usage. Not a lot of other TVs can compete with its high picture quality, number of features and asking price.

Samsung JS8500
48" 55" 65"

The now discontinued Samsung JS8500 only advantage is the slightly less motion blur. In other aspects, the KS8000 outdoes the JS8500 picture quality, especially for movies. The KS8000 is also a better fit in the living room because it can get brighter and has less reflections.

Vizio P Series 2016
50" 55" 65" 75"

The Vizio P is a bit better for watching movies in a dark room. In a living room with ambient lighting however, the Vizio P has more reflection and not an as good picture. Lower quality content like TV channels are also better on the Samsung. As a whole, the KS8000 is a more versatile TV, so only get the Vizio P if you exclusively watch movies in a dark room.

Samsung KS9000
55" 65" 75"

Not much difference between the two TVs. The Samsung KS9000 can get slightly brighter but the increase in price is not worth it. The Samsung KS8000 is the better buy with a near identical picture quality.

Sony X930D
55" 65"

As a whole, the Sony X930D picture quality isn’t superior but its price is. Only get it if you absolutely want 3D which is not available on the Samsung KS8000. The Samsung KS8000 offers a better picture quality both in a very bright or very dark room.

Conclusion
SEE PRICE
Amazon.com

8.2Mixed 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:
Great TV for a range of usage. Picture quality is excellent and fast motion is well defined. Blacks can get very deep. Extremely bright highlights and deals with reflections well.
8.2Movies
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:
Excellent TV for movies. Performs great in dark scenes. Great contrast results in deep blacks. Plays all content smoothly.
8.0TV 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:
Great for TV in a bright room. Excellent picture quality. Bright and deals with reflections well. Unfortunately picture deteriorates when viewed from the side.
7.9Sports
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:
Great for sports. Very good motion handling. Good uniformity for sports fields.
8.4Video 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.
Score components:
Excels for video games. Very low input lag and very good motion handling for fast paced games. Great picture quality.
8.4HDR 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.
Score components:
Very good HDR. Highlights get very bright. Wide color gamut. Excellent picture quality.
8.5HDR 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.
Great for playing HDR games since game mode works even in HDR and it has a low 4k @ 60Hz + HDR input of lag 21.1 ms. It has a wide color gamut and 10 bit panel.
7.3PC 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:
Great PC monitor. Low motion blur. Very good input lag. Clearly displays a wide range of resolutions.

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