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- Table of Contents
- Top
- Main Differences
- Design
- Picture Quality
- Motion
- Inputs
- Sound Quality
- Smart Features
- Comments
Samsung JS9000 vs Samsung KS8000
Side-by-Side Comparison
Products
Samsung JS9000
Samsung KS8000
Tested using Methodology v1.0
Updated May 29, 2023 03:06 PM
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Amazon.comTested using Methodology v1.0
Updated Feb 22, 2024 02:28 PM
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Amazon.com
TypeLED
Resolution4k
Refresh Rate120 Hz
TypeLED
Resolution4k
Refresh Rate120 Hz
Variants
- UN48JS9000 (48")
- UN55JS9000 (55")
- UN65JS9000 (65")
- UN49KS8000 (49")
- UN55KS8000 (55")
- UN60KS8000 (60")
- UN65KS8000 (65")
Our Verdict
Samsung JS9000
Samsung KS8000
Full comparison details regarding individual product score sets can be found in the section below
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48"
UN48JS9000
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49"
49"
UN49KS8000
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UN55JS9000
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UN55KS8000
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60"
UN60KS8000
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UN65JS9000
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UN65KS8000
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Finding storeMain Differences forMixed Usage
Mixed Usage
Threshold
Mixed Usage
7.9
8.2
SDR Peak Brightness
6.7
8.5
3D
9.0
0.0
Full Comparison
Design
Style
8.5
9.0
Design Picture
Curved
Yes
No
Stand
Stand Picture
Back
Back Picture
Wall Mount
VESA 400x400
Borders
Borders Picture
Borders
0.75" (1.9 cm)
0.28" (0.7 cm)
Thickness
Thickness Picture
Max Thickness
2.83" (7.2 cm)
1.5" (3.8 cm)
Temperature
Temperature picture
Maximum Temperature
Average Temperature
Build Quality
Build quality picture
Picture Quality
Contrast
8.2
9.3
Checkerboard Picture
Native Contrast
3,695 : 1
6,906 : 1
Contrast with local dimming
Local Dimming
3.5
3.5
Local Dimming Video
Local Dimming
Yes
Yes
Backlight
Edge
Edge
SDR Peak Brightness
6.7
8.5
SDR Real Scene Peak Brightness
489 cd/m²
SDR Peak 2% Window
449 cd/m²
1,116 cd/m²
SDR Peak 10% Window
1,332 cd/m²
SDR Peak 25% Window
723 cd/m²
SDR Peak 50% Window
347 cd/m²
528 cd/m²
SDR Peak 100% Window
532 cd/m²
SDR Sustained 2% Window
296 cd/m²
SDR Sustained 10% Window
644 cd/m²
SDR Sustained 25% Window
522 cd/m²
SDR Sustained 50% Window
538 cd/m²
SDR Sustained 100% Window
530 cd/m²
HDR Peak Brightness
8.5
HDR Real Scene Peak Brightness
453 cd/m²
HDR Peak 2% Window
1,472 cd/m²
HDR Peak 10% Window
1,431 cd/m²
HDR Peak 25% Window
964 cd/m²
HDR Peak 50% Window
513 cd/m²
HDR Peak 100% Window
509 cd/m²
HDR Sustained 2% Window
505 cd/m²
HDR Sustained 10% Window
508 cd/m²
HDR Sustained 25% Window
509 cd/m²
HDR Sustained 50% Window
513 cd/m²
HDR Sustained 100% Window
510 cd/m²
Gray Uniformity
7.8
7.5
50% Uniformity Picture
50% Std. Dev.
2.638%
3.536%
50% DSE
0.158%
0.165%
5% Uniformity Picture
5% Std. Dev.
1.319%
5% DSE
0.106%
Viewing Angle
4.2
4.7
Viewing Angle Video
LCD Type
VA
VA
Color Shift Picture
Color Shift
20°
21°
Brightness Picture
Brightness
30°
41°
Black Level Picture
Black Level
16°
19°
Black Uniformity
9.3
9.9
Native Black Uniformity Picture
Native Std. Dev.
0.792%
0.432%
Black Uniformity Picture with Local Dimming
Std. Dev. w/ L.D.
Gradient
9.0
9.5
Gradient Picture
Color Depth
10 Bit
10 Bit
Pre Calibration
8.7
9.2
Pre Calibration Picture
Pre Gamma Curve Picture
Pre Color Picture
White Balance dE
2.8
1.46
Color dE
2.0134
1.6381
Gamma
2.21
2.15
Post Calibration
9.8
9.9
Post Calibration Picture
Post Gamma Curve Picture
Post Color Picture
White Balance dE
0.28
0.3
Color dE
0.4526
0.2146
Gamma
2.19
2.2
480p Input
8.0
8.0
480p Picture
720p Input
8.0
8.0
720p Picture
1080p Input
9.0
9.0
1080p Picture
4k Input
10
10
4k Picture
Color Gamut
8.2
8.2
Wide Color Gamut
Yes
Yes
Color Gamut DCI-P3 Picture
DCI P3 xy
89.86%
91.95%
DCI P3 uv
95.37%
95.54%
Color Gamut Rec.2020 Picture
Rec 2020 xy
67.13%
66.79%
Rec 2020 uv
75.57%
73.68%
EOTF
Color Volume
7.1
P3 Color Volume Picture
Normalized DCI P3 Coverage
80.52%
10,000 cd/m² DCI P3 Coverage
56.817%
2020 Color Volume Picture
Normalized Rec 2020 Coverage
63.192%
10,000 cd/m² Rec 2020 Coverage
42.406%
Image Retention
10
Image Retention Picture
IR after 0 min recovery
0%
IR after 2 min recovery
0%
IR after 4 min recovery
0%
IR after 6 min recovery
0%
IR after 8 min recovery
0%
IR after 10 min recovery
0%
Reflections
9.0
9.5
Reflections Picture
Bright Room Picture
Reflection
0.7%
0.5%
Screen Finish
Glossy
Glossy
3D
9.0
0.0
3D Picture
3D
Yes
No
3D Type
Active
No
2D to 3D
No
Pixels
Pixels Picture
Type
LED
LED
Motion
Motion Blur
9.0
7.8
Motion Blur Picture
Response Time Chart
Refresh Rate
120 Hz
120 Hz
Response Time
11.1 ms
18 ms
Overshoot
0.2 ms
0.2 ms
Image Flicker
4.8
4.8
Backlight Picture
PWM Dimming Frequency
120 Hz
120 Hz
BFI
Yes
Yes
BFI Picture
BFI Frequency Picture
BFI Frequency
60 Hz
60 Hz
BFI In Game Mode
No
No
24p Playback
7.1
10
Judder-free 24p
Yes
Yes
Judder-free 24p via 60p
No
Yes
Judder-free 24p via 60i
No
Yes
Motion Interpolation
10
10
Motion Interpolation (30 fps)
Yes
Yes
Motion Interpolation (30 fps) Picture
Motion Interpolation (60 fps)
Yes
Yes
Motion Interpolation (60 fps) Picture
Inputs
Input Lag
7.5
8.1
1080p @ 60Hz
23.6 ms
20.9 ms
1080p With Interpolation
131.6 ms
118.9 ms
1080p @ 60Hz Outside Game Mode
139.1 ms
113.5 ms
1080p @ 60Hz @ 4:4:4
55.8 ms
37.8 ms
4k @ 60Hz
22.7 ms
4k @ 60Hz @ 4:4:4
37.4 ms
4k @ 60Hz + HDR
21.1 ms
4k @ 60Hz @ 4:4:4 + 8 bit HDR
37.6 ms
Supported Resolutions
8.0
8.0
Resolution
4k
4k
1080p @ 60Hz @ 4:4:4
Yes
Yes
1080p @ 120Hz
No
No
4k @ 30Hz @ 4:4:4
Yes
Yes
4k @ 60Hz
Yes
Yes
4k @ 60Hz @ 4:4:4
Yes
Yes
Side Inputs
Side Inputs Picture
Rear Inputs
Rear Inputs Picture
Total Inputs
HDMI
4
4
USB
3
3
Digital Optical Audio Out
1
1
Analog Audio Out 3.5mm
1
0
Analog Audio Out RCA
0
0
Component In
1 (incl. adapter, shared)
0
Composite In
1 (incl. adapter, shared)
0
Tuner (Cable/Ant)
1
1
Ethernet
1
1
DisplayPort
0
0
IR In
1
0
SD/SDHC
0
0
Inputs Specifications
HDR10
Yes
Yes
5.1 Passthrough ARC Dolby Digital
Yes
Yes
Dolby Vision
No
No
5.1 Passthrough ARC DTS
Yes
Yes
5.1 Passthrough Optical Dolby Digital
Yes
Yes
5.1 Passthrough Optical DTS
Yes
Yes
HDMI 2.0 Full Bandwidth
Yes
Yes
ARC
Yes (HDMI 4)
Yes (HDMI 4)
USB 3
Yes (1)
No
HDCP 2.2
Yes
Yes
CEC
Yes
Yes
MHL
Yes (HDMI 3)
No
Variable Analog Audio Out
No
No
Sound Quality
Frequency Response
6.9
7.1
Frequency Response Picture
Std. Dev. @ 70
5.2 dB SPL
3.72 dB SPL
Std. Dev. @ 80
5.52 dB SPL
4.33 dB SPL
Std. Dev. @ Max
7.33 dB SPL
6.49 dB SPL
Max
92.6 dB SPL
92.2 dB SPL
Low-end Cutoff
63 Hz
84.76 Hz
Total Harmonic Distortion
5.6
5.7
Total Harmonic Distortion Picture
Distortion @ 70
0.022
0.024
Distortion @ 80
0.108
0.073
Distortion @ Max
0.132
0.165
Smart Features
Interface
8.5
8.5
Smart TV Picture
Smart OS
Tizen
Tizen (2016)
Apps
Apps Picture
Ads
0.0
0.0
Ads Picture
Ad-free
No
No
Opt-out
No
No
TV Controls
Controls Picture
Remote
Remote Picture
Remote
Smart
Smart
In The Box
In The Box Picture
Misc
Power Consumption
101 W
52 W
Power Consumption (Max)
206 W
139 W
Firmware
1217
1008
Check Price
48"
UN48JS9000
Searching
Finding store48"
49"
49"
UN49KS8000
Searching
Finding store55"
UN55JS9000
Searching
Finding store55"
UN55KS8000
Searching
Finding store60"
60"
UN60KS8000
Searching
Finding store65"
UN65JS9000
Searching
Finding store65"
UN65KS8000
Searching
Finding store
Samsung JS9000
Samsung KS8000
Comments
Samsung JS9000 vs Samsung KS8000: Main Discussion
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