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- Table of Contents
- Top
- Main Differences
- Design
- Picture Quality
- Motion
- Inputs
- Sound Quality
- Smart Features
- Comments
LG CX OLED vs LG B7/B7A OLED
Side-by-Side Comparison
Products
LG CX OLED
LG B7/B7A OLED
Tested using Methodology v1.6
Updated Feb 07, 2025 06:49 PM
SEE PRICE
Amazon.comTested using Methodology v1.2
Updated Jan 06, 2022 01:36 PM
SEE PRICE
Amazon.com
TypeOLED
Sub-TypeWOLED
Resolution4k
TypeOLED
Sub-TypeWRGB
Resolution4k
Variants
- OLED48CXPUB (48")
- OLED55CXPUA (55")
- OLED65CXPUA (65")
- OLED77CXPUA (77")
- OLED55B7A (55")
- OLED65B7A (65")
Our Verdict
LG CX OLED
LG B7/B7A OLED
Full comparison details regarding individual product score sets can be found in the section below
Check Price
48"
OLED48CXPUB
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Finding store55"
OLED55CXPUA
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Finding store55"
OLED55B7A
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Finding store65"
OLED65CXPUA
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Finding store65"
OLED65B7A
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Finding store77"
OLED77CXPUA
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Finding storeNotice: Two or more of the products selected have been tested with different test methodologies, so some of the results below aren't directly comparable. Learn how our test benches and scoring system work, and read more about the latest changes to our TVs test methodology.
Main Differences for
Threshold
Full Comparison
Design
Style
Design Picture
Curved
No
No
Accelerated Longevity Test
Uniformity Pictures
Month 24
50% Gray
Longevity Graph
Stand
Stand Picture
Back
Back Picture
Wall Mount
VESA 300x200
VESA 300x200
Borders
Borders Picture
Borders
0.35" (0.9 cm)
0.43" (1.1 cm)
Thickness
Thickness Picture
Max Thickness
1.93" (4.9 cm)
1.97" (5.0 cm)
Build Quality
9.0
9.0
Build quality picture
Temperature
Temperature picture
Maximum Temperature
93 °F (34 °C)
Average Temperature
90 °F (32 °C)
Picture Quality
Contrast
10
10
Checkerboard Picture
Native Contrast
Inf : 1
Inf : 1
Contrast with local dimming
N/A
N/A
SDR Brightness
7.0
7.9
Real Scene Peak Brightness
321 cd/m²
384 cd/m²
Peak 2% Window
459 cd/m²
419 cd/m²
Peak 10% Window
456 cd/m²
415 cd/m²
Peak 25% Window
414 cd/m²
415 cd/m²
Peak 50% Window
340 cd/m²
416 cd/m²
Peak 100% Window
176 cd/m²
144 cd/m²
Sustained 2% Window
439 cd/m²
407 cd/m²
Sustained 10% Window
435 cd/m²
403 cd/m²
Sustained 25% Window
395 cd/m²
405 cd/m²
Sustained 50% Window
324 cd/m²
394 cd/m²
Sustained 100% Window
146 cd/m²
140 cd/m²
Automatic Brightness Limiting (ABL)
0.069
0.070
Local Dimming
10
10
LD Video, Moving Object
LD Video, Real Content
LD Video, Real Content Side View
Local Dimming
No
No
Backlight
No Backlight
N/A
Local Dimming In Game Mode
10
LD Video, Moving Object
LD Video, Real Content
LD Video, Real Content Side View
Local Dimming
No
Backlight
No Backlight
HDR Brightness
7.1
7.6
EOTF
Real Scene Highlight
681 cd/m²
670 cd/m²
Peak 2% Window
760 cd/m²
822 cd/m²
Peak 10% Window
817 cd/m²
768 cd/m²
Peak 25% Window
465 cd/m²
479 cd/m²
Peak 50% Window
311 cd/m²
313 cd/m²
Peak 100% Window
152 cd/m²
144 cd/m²
Sustained 2% Window
720 cd/m²
753 cd/m²
Sustained 10% Window
776 cd/m²
734 cd/m²
Sustained 25% Window
443 cd/m²
471 cd/m²
Sustained 50% Window
293 cd/m²
300 cd/m²
Sustained 100% Window
146 cd/m²
140 cd/m²
Automatic Brightness Limiting (ABL)
0.101
0.102
HDR Brightness In Game Mode
6.7
Game Mode EOTF
Real Scene Highlight
563 cd/m²
Peak 2% Window
749 cd/m²
Peak 10% Window
804 cd/m²
Peak 25% Window
457 cd/m²
Peak 50% Window
320 cd/m²
Peak 100% Window
152 cd/m²
Sustained 2% Window
633 cd/m²
Sustained 10% Window
768 cd/m²
Sustained 25% Window
433 cd/m²
Sustained 50% Window
302 cd/m²
Sustained 100% Window
147 cd/m²
Automatic Brightness Limiting (ABL)
0.096
Gray Uniformity
8.5
8.2
50% Uniformity Picture
50% Std. Dev.
1.526%
1.232%
50% DSE
0.135%
0.155%
5% Uniformity Picture
5% Std. Dev.
0.401%
0.384%
5% DSE
0.106%
0.116%
Black Uniformity
10
10
Native Black Uniformity Picture
Native Std. Dev.
0.416%
0.208%
Black Uniformity Picture with Local Dimming
Std. Dev. w/ L.D.
N/A
N/A
Viewing Angle
8.4
8.2
Viewing Angle Video
Chroma Graph
Color Shift Picture
Color Shift
34°
Color Washout
48°
Brightness Picture
Brightness
75°
Hue Graph
Black Level Picture
Color Shift
32°
Lightness Graph
Black Level
75°
Brightness Loss
62°
Black Level Raise
70°
Gamma Shift
57°
Reflections
9.3
9.4
Reflections Picture
Average Room Off Picture
Bright Room Off Picture
Screen Finish
Glossy
Glossy
Total Reflections
1.5%
1.5%
Indirect Reflections
0.4%
0.2%
Calculated Direct Reflections
1.1%
Pre Calibration
8.2
7.1
Pre White Balance Picture
Pre Gamma Curve Picture
Pre Color Picture
White Balance dE
2.47
3.55
Color dE
1.77
3.32
Gamma
2.19
2.44
Color Temperature
7,034 K
6,098 K
Picture Mode
Expert (Dark Room)
Expert (Dark Room)
Color Temp Setting
Warm 2
Gamma Setting
2.2
Post Calibration
9.6
9.6
Post White Balance Picture
Post Gamma Curve Picture
Post Color Picture
Picture Mode
Expert (Dark Room)
White Balance dE
0.16
0.15
Color dE
1.00
1.07
Gamma
2.20
2.20
Color Temperature
6,512 K
6,503 K
White Balance Calibration
22 point
Color Calibration
Yes
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
8k Input
0.0
8k Picture
Pixels
Pixels Picture
Type
OLED
OLED
Sub-Type
WOLED
WRGB
Color Gamut
8.6
8.6
Wide Color Gamut
Yes
Yes
Color Gamut DCI-P3 Picture
DCI P3 xy
97.32%
96.31%
DCI P3 uv
98.71%
98.65%
Color Gamut Rec.2020 Picture
Rec 2020 xy
71.67%
71.56%
Rec 2020 uv
75.65%
75.66%
EOTF
Color Volume
7.1
7.3
P3 Color Volume ITP Picture
Normalized DCI P3 Coverage ITP
80.6%
81.9%
10,000 cd/m² DCI P3 Coverage ITP
44.2%
44.4%
2020 Color Volume ITP Picture
Normalized Rec 2020 Coverage ITP
61.0%
63.7%
10,000 cd/m² Rec 2020 Coverage ITP
33.5%
33.7%
Gradient
8.7
8.5
Gradient Picture
Color Depth
10 Bit
10 Bit
Red (Std. Dev.)
0.083
0.105
Green (Std. Dev.)
0.105
0.102
Blue (Std. Dev.)
0.092
0.085
Gray (Std. Dev.)
0.081
0.080
Temporary Image Retention
10
6.0
Image Retention Picture
IR after 0 min recovery
0.00%
1.22%
IR after 2 min recovery
0.00%
0.35%
IR after 4 min recovery
0.00%
0.20%
IR after 6 min recovery
0.00%
0.14%
IR after 8 min recovery
0.00%
0.12%
IR after 10 min recovery
0.00%
0.10%
Permanent Burn-In Risk
2.0
1.0
Permanent Burn-In Risk
Yes
Yes
Motion
Response Time
9.9
10
Motion Blur Picture
Response Time Chart
80% Response Time
0.3 ms
0.2 ms
100% Response Time
1.7 ms
1.0 ms
Flicker-Free
10
10
Backlight chart
Flicker-Free
No
No
PWM Dimming Frequency
0 Hz
0 Hz
Black Frame Insertion (BFI)
10
0.0
BFI Picture
BFI Frequency Picture
Optional BFI
Yes
No
Min Flicker For 60 fps
60 Hz
0 Hz
60Hz For 60 fps
Yes
No
120Hz For 120 fps
Yes
No
Min Flicker for 60 fps in Game Mode
60 Hz
0 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
4.9
4.6
Frame Hold Time @ 24 fps
39.9 ms
40.7 ms
Frame Hold Time @ 60 fps
14.9 ms
15.7 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
0.0
Native Refresh Rate
120 Hz
120 Hz
Variable Refresh Rate
Yes
No
HDMI Forum VRR
Yes
FreeSync
Yes
G-SYNC Compatible
Yes (NVIDIA Certified)
4k VRR Maximum
120 Hz
N/A
4k VRR Minimum
< 20 Hz
N/A
1080p VRR Maximum
120 Hz
N/A
1080p VRR Minimum
< 20 Hz
N/A
1440p VRR Maximum
120 Hz
1440p VRR Minimum
< 20 Hz
VRR Supported Connectors
HDMI
N/A
Inputs
Input Lag
9.5
9.1
1080p @ 60Hz
13.6 ms
21.5 ms
1080p @ 60Hz Outside Game Mode
97.0 ms
63.1 ms
1440p @ 60Hz
13.8 ms
4k @ 60Hz
13.6 ms
21.6 ms
4k @ 60Hz + 10-Bit HDR
13.5 ms
21.5 ms
4k @ 60Hz @ 4:4:4
13.6 ms
21.6 ms
4k @ 60Hz Outside Game Mode
97.0 ms
63.2 ms
4k @ 60Hz With Interpolation
92.9 ms
104.9 ms
8k @ 60Hz
N/A
1080p @ 120Hz
6.9 ms
21.7 ms
1440p @ 120Hz
6.9 ms
4k @ 120Hz
6.7 ms
N/A
1080p with Variable Refresh Rate
5.9 ms
N/A
1440p with VRR
6.2 ms
4k with VRR
5.9 ms
N/A
8k with VRR
N/A
1080p @ 60Hz + HDR
21.4 ms
4k @ 60Hz @ 4:4:4 + 8 bit HDR
21.4 ms
Supported Resolutions
9.6
8.3
Resolution
4k
4k
1080p @ 60Hz @ 4:4:4
Yes
Yes
1080p @ 120Hz
Yes (native support)
Yes (native support)
1440p @ 60Hz
Yes (forced resolution required)
No
1440p @ 120Hz
Yes (native support)
4k @ 30Hz @ 4:4:4
Yes
4k @ 60Hz
Yes
Yes
4k @ 60Hz @ 4:4:4
Yes
Yes
4k @ 120Hz
Yes (native support)
No
8k @ 30Hz or 24Hz
No
8k @ 60Hz
No
Advanced Console Compatibility
PS5 Screenshot
Xbox Series X Screenshot
Auto Low Latency Mode (ALLM)
Yes
PS5, 4k @ 120Hz + HDR
Yes
PS5, 4k @ 120Hz
Yes
PS5, 4k @ 60Hz + HDR
Yes
PS5, 1440p @ 120Hz
PS5 can't do 1440p
PS5, 1080p @ 120Hz
Yes
PS5, Variable Refresh Rate
PS5 can't do VRR yet
Xbox Series X, 4k @ 120Hz + HDR
Yes
Xbox Series X, 4k @ 120Hz
Yes
Xbox Series X, 4k @ 60Hz + HDR
Yes
Xbox Series X, 1440p @ 120Hz
Yes
Xbox Series X, 1080p @ 120Hz
Yes
Xbox Series X, Variable Refresh Rate
Yes
Inputs Specifications
HDR10
Yes
Yes
HDR10+
No
Dolby Vision
Yes
Yes
HLG
Yes
Yes
3D
No
5.1 Passthrough ARC Dolby Digital
Yes
Yes
5.1 Passthrough ARC DTS
No
Yes
5.1 Passthrough Optical Dolby Digital
Yes
Yes
5.1 Passthrough Optical DTS
No
Yes
HDMI 2.0 Full Bandwidth
Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3,4)
HDMI 2.1 Full Bandwidth
No
HDMI 2.1 Class Bandwidth
Yes (HDMI 1,2,3,4)
ARC
Yes (HDMI 2)
Yes (HDMI 2)
CEC
Yes
Yes
HDCP 2.2
Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3,4)
USB 3.0
No
Yes (1)
Variable Analog Audio Out
Yes
No
Wi-Fi Support
Yes (2.4 GHz, 5 GHz)
Yes (2.4 GHz, 5 GHz)
MHL
No
Input Photos
Side Inputs Picture
Rear 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
0
0
Composite In
1 (incl. adapter)
1
Tuner (Cable/Ant)
1
1
Ethernet
1
1
DisplayPort
0
0
IR In
0
0
SD/SDHC
0
0
Audio Passthrough
ARC
Yes (HDMI 2)
Yes (HDMI 2)
eARC support
Yes
Dolby Atmos via TrueHD via eARC
Yes
DTS:X via DTS-HD MA via eARC
No
5.1 Dolby Digital via ARC
Yes
Yes
5.1 DTS via ARC
No
Yes
5.1 Dolby Digital via Optical
Yes
Yes
5.1 DTS via Optical
No
Yes
Sound Quality
Frequency Response
7.6
6.4
Frequency Response
Low-Frequency Extension
63.50 Hz
100.79 Hz
Std. Dev. @ 70
2.12 dB
3.01 dB
Std. Dev. @ 80
2.12 dB
3.10 dB
Std. Dev. @ Max
5.18 dB
5.55 dB
Max
91.2 dB SPL
84.7 dB SPL
Dynamic Range Compression
5.62 dB
4.06 dB
Distortion
7.0
6.2
Total Harmonic Distortion
Weighted THD @ 80
0.085
0.587
Weighted THD @ Max
0.519
0.938
IMD @ 80
2.00%
1.37%
IMD @ Max
10.89%
21.47%
Smart Features
Interface
8.5
8.5
Smart TV Picture
Smart OS
webOS
WebOS
Version
5.0
3.7
Ease of Use
Easy
Easy
Smoothness
Average
Average
Time Taken to Select YouTube
2 s
2 s
Time Taken to Change Backlight
7 s
7 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
8.0
8.0
Apps Picture
App Selection
Great
Many
App Smoothness
Average
Very Smooth
Cast Capable
Yes
Yes
USB Drive Playback
Yes
Yes
USB Drive HDR Playback
Yes
Yes
HDR in Netflix
Yes
Yes
HDR in Amazon Video
Yes
HDR in YouTube
Yes
Yes
Remote
9.0
9.0
Remote Picture
Size
Large
Large
Voice Control
Many Features
Search, Some Other Features
CEC Menu Control
Yes
Yes
Other Smart Features
Yes
Yes
Remote App
LG TV Plus
Remote App
7.0
Remote App Picture
Acts as the Remote
Yes
Directly Launches Apps and Inputs
Both
Inputs Text in YouTube
No
Inputs Text in Netflix
No
Streams Device Files
Yes
Controls TV Settings
No
Voice Control
No
TV Controls
Controls Picture
In The Box
In The Box Picture
Misc
Power Consumption
75 W
89 W
Power Consumption (Max)
178 W
189 W
Firmware
03.00.45
4.70.07
Check Price
48"
OLED48CXPUB
Searching
Finding store55"
OLED55CXPUA
Searching
Finding store55"
OLED55B7A
Searching
Finding store65"
OLED65CXPUA
Searching
Finding store65"
OLED65B7A
Searching
Finding store77"
OLED77CXPUA
Searching
Finding store
LG CX OLED
LG B7/B7A OLED
Comments
LG CX OLED vs LG B7/B7A OLED: Main Discussion
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