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- Table of Contents
- Top
- Main Differences
- Design
- Picture Quality
- Motion
- Inputs
- Sound Quality
- Smart Features
- Comments
Sony X90K/X90CK vs LG B2 OLED
Side-by-Side Comparison
Products
Sony X90K/X90CK
LG B2 OLED
Tested using Methodology v1.11
Updated Apr 16, 2025 03:37 PM
SEE PRICE
BestBuy.comTested using Methodology v1.11
Updated Apr 16, 2025 03:39 PM
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Amazon.com
Resolution4k
TypeLED
Sub-TypeVA
Resolution4k
TypeOLED
Sub-TypeWOLED
Variants
- XR-55X90K (55")
- XR-65X90K (65")
- XR-75X90K (75")
- XR-85X90K (85")
- OLED55B2PUA (55")
- OLED65B2PUA (65")
- OLED77B2PUA (77")
Our Verdict
Sony X90K/X90CK
LG B2 OLED
Full comparison details regarding individual product score sets can be found in the section below
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55"
XR-55X90K
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OLED55B2PUA
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XR-65X90K
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OLED65B2PUA
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XR-75X90K
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77"
77"
OLED77B2PUA
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XR-85X90K
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Main Differences forMixed Usage
Mixed Usage
Threshold
Mixed Usage
8.0
8.7
Viewing Angle
5.5
9.7
Reflections
7.2
9.4
Contrast
8.8
10
Upscaling: Sharpness Processing
9.0
6.0
Pre Calibration
7.2
8.6
Full Comparison
Design
Style
Design Picture
Curved
No
No
Accelerated Longevity Test
Uniformity Pictures
Month 26
50% Gray
Month 26
50% Gray
Longevity Graph
Stand
Stand Picture
Back
Back Picture
Wall Mount
VESA 300x300
VESA 300x200
Borders
Borders Picture
Borders
0.43" (1.1 cm)
0.39" (1.0 cm)
Thickness
Thickness Picture
Max Thickness
2.76" (7.0 cm)
1.93" (4.9 cm)
Build Quality
7.5
8.5
Build quality picture
Picture Quality
Contrast
8.8
10
Contrast Picture
Contrast
34,557 : 1
Inf : 1
Native Contrast
7,511 : 1
Inf : 1
Blooming
7.0
10
Blooming Photo
Lighting Zone Transitions
5.5
10
Preferred LD Video, Moving Object
Local Dimming
Yes
No
Backlight
Full-Array
No Backlight
Dimming Zones Count Of Tested TV
54
8,294,400
Contrast And Dark Details In Game Mode
8.0
9.5
Blooming Photo In Game Mode
Preferred LD Video, Moving Object In Game Mode
Game Transitions With VRR And Preferred LD
HDR Brightness
6.8
7.1
HDR Hallway Photo
HDR Cityscape Photo
HDR Landscape Photo
Hallway Lights (~1950 cd/m²)
357 cd/m²
644 cd/m²
Yellow Skyscraper (~700 cd/m²)
268 cd/m²
321 cd/m²
Landscape Pool (~300 cd/m²)
168 cd/m²
188 cd/m²
Peak 2% Window
784 cd/m²
705 cd/m²
Peak 10% Window
754 cd/m²
695 cd/m²
Peak 25% Window
673 cd/m²
459 cd/m²
Peak 50% Window
510 cd/m²
298 cd/m²
Peak 100% Window
511 cd/m²
146 cd/m²
Sustained 2% Window
760 cd/m²
681 cd/m²
Sustained 10% Window
742 cd/m²
681 cd/m²
Sustained 25% Window
672 cd/m²
439 cd/m²
Sustained 50% Window
509 cd/m²
283 cd/m²
Sustained 100% Window
511 cd/m²
138 cd/m²
Automatic Brightness Limiting (ABL)
0.027
0.099
HDR Brightness In Game Mode
6.9
7.0
HDR Hallway Photo
HDR Cityscape Photo
HDR Landscape Photo
Hallway Lights (~1950 cd/m²)
384 cd/m²
632 cd/m²
Yellow Skyscraper (~700 cd/m²)
309 cd/m²
312 cd/m²
Landscape Pool (~300 cd/m²)
142 cd/m²
181 cd/m²
Peak 2% Window
746 cd/m²
692 cd/m²
Peak 10% Window
776 cd/m²
681 cd/m²
Peak 25% Window
676 cd/m²
448 cd/m²
Peak 50% Window
497 cd/m²
306 cd/m²
Peak 100% Window
502 cd/m²
145 cd/m²
Sustained 2% Window
726 cd/m²
582 cd/m²
Sustained 10% Window
761 cd/m²
668 cd/m²
Sustained 25% Window
672 cd/m²
428 cd/m²
Sustained 50% Window
496 cd/m²
290 cd/m²
Sustained 100% Window
501 cd/m²
138 cd/m²
Automatic Brightness Limiting (ABL)
0.030
0.093
PQ EOTF Tracking
9.0
8.5
PQ EOTF Graph
600 Nit Tracking Delta
0.0065
0.0140
1000 Nit Tracking Delta
0.0067
0.0088
4000 Nit Tracking Delta
0.0065
0.0084
SDR Brightness
8.6
7.5
Real Scene Peak Brightness
579 cd/m²
377 cd/m²
Peak 2% Window
828 cd/m²
483 cd/m²
Peak 10% Window
929 cd/m²
478 cd/m²
Peak 25% Window
794 cd/m²
439 cd/m²
Peak 50% Window
574 cd/m²
384 cd/m²
Peak 100% Window
586 cd/m²
196 cd/m²
Sustained 2% Window
804 cd/m²
461 cd/m²
Sustained 10% Window
903 cd/m²
457 cd/m²
Sustained 25% Window
785 cd/m²
417 cd/m²
Sustained 50% Window
570 cd/m²
364 cd/m²
Sustained 100% Window
584 cd/m²
187 cd/m²
Automatic Brightness Limiting (ABL)
0.028
0.056
Color Gamut
8.4
8.7
Wide Color Gamut
Yes
Yes
Color Gamut DCI-P3 Picture
DCI P3 xy
90.23%
96.78%
DCI P3 uv
95.08%
98.97%
Color Gamut Rec.2020 Picture
Rec 2020 xy
71.88%
72.10%
Rec 2020 uv
79.75%
77.56%
Color Volume
8.3
8.2
P3 Color Volume ITP Picture
1,000 cd/m² DCI P3 Coverage ITP
78.6%
70.6%
2020 Color Volume ITP Picture
10,000 cd/m² Rec 2020 Coverage ITP
38.4%
37.1%
White Luminance
741 cd/m²
752 cd/m²
Red Luminance
157 cd/m²
102 cd/m²
Green Luminance
504 cd/m²
376 cd/m²
Blue Luminance
50 cd/m²
38 cd/m²
Cyan Luminance
568 cd/m²
408 cd/m²
Magenta Luminance
214 cd/m²
131 cd/m²
Yellow Luminance
681 cd/m²
440 cd/m²
Pre Calibration
7.2
8.6
Pre White Balance Picture
Pre Gamma Curve Picture
Pre Color Picture
White Balance dE
3.62
1.86
Color dE
2.45
1.59
Gamma
2.23
2.23
Color Temperature
7,257 K
6,829 K
Picture Mode
Custom
Expert (Dark Space)
Color Temp Setting
Expert 1
Warm 50
Gamma Setting
0
2.2
Post Calibration
9.6
9.6
Post White Balance Picture
Post Gamma Curve Picture
Post Color Picture
White Balance dE
0.15
0.26
Color dE
1.02
0.76
Gamma
2.19
2.20
Color Temperature
6,504 K
6,490 K
White Balance Calibration
10 point
22 point
Color Calibration
Yes
Yes
Gray Uniformity
6.8
8.3
50% Uniformity Picture
50% Std. Dev.
3.887%
1.614%
50% DSE
0.216%
0.132%
5% Uniformity Picture
5% Std. Dev.
1.147%
1.014%
5% DSE
0.116%
0.113%
Black Uniformity
7.4
10
Black Uniformity Picture With Preferred Local Dimming
Std. Dev.
1.068%
N/A
Native Black Uniformity Picture
Native Std. Dev.
1.196%
0.406%
Viewing Angle
5.5
9.7
Viewing Angle Video
Chroma Graph
Color Washout
27°
70°
Hue Graph
Color Shift
40°
49°
Lightness Graph
Brightness Loss
35°
70°
Black Level Raise
12°
70°
Gamma Shift
17°
70°
Reflections
7.2
9.4
Reflections Picture
Average Room Off Picture
Bright Room Off Picture
Screen Finish
Semi-gloss
Glossy
Total Reflections
5.6%
1.3%
Indirect Reflections
0.6%
0.2%
Calculated Direct Reflections
5.0%
1.1%
HDR Native Gradient
8.5
7.3
HDR Gradient Picture
100% Black to 50% Gray
8.0
6.0
50% Gray to 100% White
8.0
6.0
100% Black to 50% Red
10
8.0
50% Red to 100% Red
8.0
10
100% Black to 50% Green
10
6.0
50% Green to 100% Green
6.0
6.0
100% Black to 50% Blue
10
8.0
50% Blue to 100% Blue
8.0
8.0
Low-Quality Content Smoothing
8.4
8.1
Low-Quality Content Smoothing Picture
Smoothing
8.5
8.5
Detail Preservation
8.0
7.0
Upscaling: Sharpness Processing
9.0
6.0
Sharpness Picture - 480p
Pixels
Pixels Picture
Subpixel Layout
BGR
RWBG
Type
LED
OLED
Sub-Type
VA
WOLED
Motion
Response Time
8.3
9.9
Motion Blur Picture
Response Time Chart
80% Response Time
3.5 ms
0.2 ms
100% Response Time
11.9 ms
2.4 ms
Flicker-Free
9.5
10
Backlight chart
Flicker-Free
No
No
PWM Dimming Frequency
720 Hz
0 Hz
Black Frame Insertion (BFI)
BFI Picture
BFI Frequency Picture
Optional BFI
Yes
Yes
Min Flicker For 60 fps
120 Hz
60 Hz
60Hz For 60 fps
No
Yes
120Hz For 120 fps
Yes
No
Min Flicker for 60 fps in Game Mode
120 Hz
60 Hz
Motion Interpolation
Motion Interpolation (30 fps) Picture
Motion Interpolation (30 fps)
Yes
Yes
Motion Interpolation (60 fps) Picture
Motion Interpolation (60 fps)
Yes
Yes
Stutter
7.2
5.0
Frame Hold Time @ 24 fps
29.8 ms
39.3 ms
Frame Hold Time @ 60 fps
2.8 ms
14.3 ms
24p Judder
10
10
Judder-Free 24p
Yes
Yes
Judder-Free 24p via 60p
Yes
Yes
Judder-Free 24p via 60i
Yes
Yes
Judder-Free 24p via Native Apps
Yes
Yes
Variable Refresh Rate
9.4
9.4
Native Refresh Rate
120 Hz
120 Hz
Variable Refresh Rate
Yes
Yes
HDMI Forum VRR
Yes
Yes
FreeSync
No
Yes
G-SYNC Compatible
Yes
Yes (NVIDIA Certified)
4k VRR Maximum
120 Hz
120 Hz
4k VRR Minimum
< 20 Hz
< 20 Hz
1080p VRR Maximum
120 Hz
120 Hz
1080p VRR Minimum
< 20 Hz
< 20 Hz
1440p VRR Maximum
N/A
120 Hz
1440p VRR Minimum
N/A
< 20 Hz
VRR + Local Dimming
Yes
No Local Dimming
Inputs
Input Lag
9.2
9.6
1080p @ 60Hz
17.8 ms
11.6 ms
1080p @ 60Hz Outside Game Mode
161.0 ms
156.3 ms
1080p @ 120Hz
9.3 ms
6.0 ms
1080p @ 144Hz
N/A
N/A
1440p @ 60Hz
N/A
11.6 ms
1440p @ 120Hz
N/A
6.0 ms
1440p @ 144Hz
N/A
N/A
4k @ 60Hz
17.8 ms
11.4 ms
4k @ 60Hz + 10-Bit HDR
17.8 ms
11.6 ms
4k @ 60Hz @ 4:4:4
17.7 ms
11.5 ms
4k @ 60Hz Outside Game Mode
144.3 ms
156.1 ms
4k @ 60Hz With Interpolation
136.6 ms
147.2 ms
4k @ 120Hz
10.1 ms
6.1 ms
4k @ 144Hz
N/A
N/A
8k @ 60Hz
N/A
N/A
Supported Resolutions
8.6
9.6
Resolution
4k
4k
480p @ 59.94Hz (Widescreen)
Yes
Yes
720p @ 59.94Hz
Yes
Yes
1080p @ 60Hz @ 4:4:4
Yes
Yes
1080p @ 120Hz
Yes
Yes
1080p @ 144Hz
No
No
1440p @ 60Hz
No
Yes (forced resolution required)
1440p @ 120Hz
No
Yes
1440p @ 144Hz
No
No
4k @ 60Hz
Yes
Yes
4k @ 60Hz @ 4:4:4
Yes
Yes
4k @ 120Hz
Yes
Yes
4k @ 120Hz @ 4:4:4
Yes
Yes
4k @ 144Hz
No
No
8k @ 30Hz or 24Hz
No
No
8k @ 60Hz
No
No
PS5 Compatibility
PS5 Screenshot
Auto Low Latency Mode (ALLM)
Yes
Yes
4k @ 120Hz
Yes
Yes
1440p @ 120Hz
No
PS5 doesn't output 1440p
1080p @ 120Hz
Yes
Yes
HDR
Yes
Yes
VRR
Yes
Yes
Xbox Series X|S Compatibility
Xbox Series X Screenshot
Auto Low Latency Mode (ALLM)
Yes
Yes
4k @ 120Hz
Yes
Yes
1440p @ 120Hz
No
Yes
1080p @ 120Hz
Yes
Yes
HDR
Yes
Yes
VRR
Yes
Yes
Inputs Specifications
HDR10
Yes
Yes
HDR10+
No
No
Dolby Vision
Yes
Yes
HLG
Yes
Yes
HDMI 2.0 Full Bandwidth
Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3,4)
HDMI 2.1 Class Bandwidth
Yes (HDMI 3,4)
Yes (HDMI 3,4)
CEC
Yes
Yes
HDCP 2.2
Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3,4)
ATSC Tuner
3.0 (NEXTGEN TV)
1.0
USB 3.0
Yes (1)
No
Variable Analog Audio Out
No
No
Wi-Fi Support
Yes (2.4 GHz, 5 GHz)
Yes (2.4 GHz, 5 GHz)
Input Photos
Side Inputs Picture
Rear Inputs Picture
Total Inputs
HDMI
4
4
USB
2
2
Digital Optical Audio Out
1
1
Analog Audio Out 3.5mm
0
0
Analog Audio Out RCA
0
0
Component In
0
0
Composite In
1 (adapter required, not incl.)
0
Tuner (Cable/Ant)
1
1
Ethernet
1
1
DisplayPort
0
0
IR In
1
0
Audio Passthrough
ARC/eARC Port
eARC
eARC
eARC: Dolby Atmos Over Dolby Digital Plus
Yes
Yes
eARC: Dolby Digital Plus 7.1
Yes
Yes
eARC: LPCM 7.1 Over Dolby MAT
Yes
Yes
eARC: Dolby TrueHD 7.1
Yes
Yes
eARC: DTS:X Over DTS-HD MA
Yes
No
eARC: DTS-HD Master Audio 7.1
Yes
No
eARC: LPCM Channels (Bitstream)
7.1
7.1
ARC: Dolby Digital 5.1
Yes
Yes
ARC: DTS 5.1
Yes
No
Optical: Dolby Digital 5.1
Yes
Yes
Optical: DTS 5.1
Yes
No
Sound Quality
Frequency Response
7.3
7.0
Frequency Response
Low-Frequency Extension
84.76 Hz
89.80 Hz
Std. Dev. @ 70
2.71 dB
3.33 dB
Std. Dev. @ 80
2.96 dB
3.41 dB
Std. Dev. @ Max
4.87 dB
5.00 dB
Max
93.3 dB SPL
88.3 dB SPL
Dynamic Range Compression
5.46 dB
3.66 dB
Distortion
7.1
6.9
Total Harmonic Distortion
Weighted THD @ 80
0.043
0.065
Weighted THD @ Max
2.115
0.510
IMD @ 80
1.36%
5.10%
IMD @ Max
7.27%
10.82%
Smart Features
Interface
8.0
8.5
Smart TV Picture
Smart OS
Google TV
webOS
Version
10
22
Ease of Use
Average
Easy
Smoothness
Very Smooth
Average
Time Taken to Select YouTube
2 s
2 s
Time Taken to Change Backlight
2 s
4 s
Advanced Options
Many
Many
Ad-Free
0.0
0.0
Ads Picture
Ads
Yes
Yes
Opt-out
No
No
Suggested Content in Home
Yes
Yes
Opt-out of Suggested Content
No
No
Apps and Features
9.0
8.0
Apps Picture
App Selection
Great
Great
App Smoothness
Very Smooth
Average
Cast Capable
Yes
Yes
USB Drive Playback
Yes
Yes
USB Drive HDR Playback
Yes
Yes
HDR in Netflix
Yes
Yes
HDR in YouTube
Yes
Yes
Remote
8.5
9.0
Remote Picture
Size
Small
Large
Voice Control
Many Features
Many Features
CEC Menu Control
Yes
Yes
Other Smart Features
No
Yes
Remote App
Android TV
LG ThinQ
TV Controls
Controls Picture
In The Box
In The Box Picture
Misc
Power Consumption
75 W
83 W
Power Consumption (Max)
161 W
174 W
Firmware
PKG6.5770.0680NAA
03.11.05
Check Price
55"
XR-55X90K
Searching
Finding store55"
OLED55B2PUA
Searching
Finding store65"
XR-65X90K
Searching
Finding store65"
OLED65B2PUA
Searching
Finding store75"
XR-75X90K
Searching
Finding store75"
77"
77"
OLED77B2PUA
Searching
Finding store85"
XR-85X90K
Searching
Finding store85"
Sony X90K/X90CK
LG B2 OLED
Comments
Sony X90K/X90CK vs LG B2 OLED: Main Discussion
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