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- Table of Contents
- Top
- Main Differences
- Design
- Picture Quality
- Motion
- Inputs
- Sound Quality
- Smart Features
- Comments
LG B7/B7A OLED vs LG A1 OLED
Side-by-Side Comparison
Products
LG B7/B7A OLED
LG A1 OLED
Tested using Methodology v1.2
Updated Jan 06, 2022 01:36 PM
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Amazon.comTested using Methodology v1.11
Updated Apr 16, 2025 03:51 PM
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Amazon.com
Resolution4k
TypeOLED
Sub-TypeWRGB
Resolution4k
TypeOLED
Sub-TypeWOLED
Variants
- OLED55B7A (55")
- OLED65B7A (65")
- OLED48A1PUA (48")
- OLED55A1PUA (55")
- OLED65A1PUA (65")
- OLED77A1PUA (77")
Our Verdict
LG B7/B7A OLED
LG A1 OLED
Full comparison details regarding individual product score sets can be found in the section below
Check Price
48"
48"
OLED48A1PUA
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Amazon.com55"
OLED55B7A
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Amazon.com55"
OLED55A1PUA
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Amazon.com65"
OLED65B7A
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Amazon.com65"
OLED65A1PUA
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Amazon.com77"
77"
OLED77A1PUA
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Amazon.comMain Differences forMixed Usage
Mixed Usage
Threshold
Mixed Usage
8.6
8.1
SDR Peak Brightness
7.9
6.1
480p Input
8.0
4.5
HDR Peak Brightness
7.6
5.7
Full Comparison
Design
Style
Design Picture
Curved
No
No
Accelerated Longevity Test
Uniformity Pictures
Month 26
50% Gray
Longevity Graph
Stand
Stand Picture
Back
Back Picture
Wall Mount
VESA 300x200
VESA 300x200
Borders
Borders Picture
Borders
0.43" (1.1 cm)
0.39" (1.0 cm)
Thickness
Thickness Picture
Max Thickness
1.97" (5.0 cm)
1.89" (4.8 cm)
Build Quality
9.0
8.5
Build quality picture
Temperature
Temperature picture
Maximum Temperature
93 °F (34 °C)
Average Temperature
90 °F (32 °C)
Picture Quality
Contrast
10
10
Contrast Picture
Contrast
N/A
Inf : 1
Native Contrast
Inf : 1
Inf : 1
Blooming
10
Blooming Photo
Lighting Zone Transitions
10
Preferred LD Video, Moving Object
Local Dimming
No
No
Backlight
N/A
No Backlight
Dimming Zones Count Of Tested TV
8,294,400
Contrast And Dark Details In Game Mode
9.5
Blooming Photo In Game Mode
Preferred LD Video, Moving Object In Game Mode
Game Transitions With VRR And Preferred LD
HDR Brightness
7.6
5.7
HDR Hallway Photo
HDR Cityscape Photo
HDR Landscape Photo
Hallway Lights (~1950 cd/m²)
416 cd/m²
Yellow Skyscraper (~700 cd/m²)
261 cd/m²
Landscape Pool (~300 cd/m²)
119 cd/m²
Peak 2% Window
822 cd/m²
458 cd/m²
Peak 10% Window
768 cd/m²
459 cd/m²
Peak 25% Window
479 cd/m²
331 cd/m²
Peak 50% Window
313 cd/m²
196 cd/m²
Peak 100% Window
144 cd/m²
107 cd/m²
Sustained 2% Window
753 cd/m²
447 cd/m²
Sustained 10% Window
734 cd/m²
452 cd/m²
Sustained 25% Window
471 cd/m²
316 cd/m²
Sustained 50% Window
300 cd/m²
185 cd/m²
Sustained 100% Window
140 cd/m²
102 cd/m²
Automatic Brightness Limiting (ABL)
0.102
0.098
HDR Real Scene Peak Brightness
670 cd/m²
HDR Brightness In Game Mode
5.6
HDR Hallway Photo
HDR Cityscape Photo
HDR Landscape Photo
Hallway Lights (~1950 cd/m²)
399 cd/m²
Yellow Skyscraper (~700 cd/m²)
242 cd/m²
Landscape Pool (~300 cd/m²)
112 cd/m²
Peak 2% Window
444 cd/m²
Peak 10% Window
445 cd/m²
Peak 25% Window
328 cd/m²
Peak 50% Window
198 cd/m²
Peak 100% Window
106 cd/m²
Sustained 2% Window
433 cd/m²
Sustained 10% Window
437 cd/m²
Sustained 25% Window
321 cd/m²
Sustained 50% Window
188 cd/m²
Sustained 100% Window
101 cd/m²
Automatic Brightness Limiting (ABL)
0.097
PQ EOTF Tracking
8.9
PQ EOTF Graph
600 Nit Tracking Delta
0.0049
1000 Nit Tracking Delta
0.0078
4000 Nit Tracking Delta
0.0078
SDR Brightness
7.9
6.1
Real Scene Peak Brightness
384 cd/m²
262 cd/m²
Peak 2% Window
419 cd/m²
350 cd/m²
Peak 10% Window
415 cd/m²
352 cd/m²
Peak 25% Window
415 cd/m²
318 cd/m²
Peak 50% Window
416 cd/m²
260 cd/m²
Peak 100% Window
144 cd/m²
121 cd/m²
Sustained 2% Window
407 cd/m²
332 cd/m²
Sustained 10% Window
403 cd/m²
333 cd/m²
Sustained 25% Window
405 cd/m²
302 cd/m²
Sustained 50% Window
394 cd/m²
246 cd/m²
Sustained 100% Window
140 cd/m²
116 cd/m²
Automatic Brightness Limiting (ABL)
0.070
0.069
Color Gamut
8.6
8.7
Wide Color Gamut
Yes
Yes
Color Gamut DCI-P3 Picture
DCI P3 xy
96.31%
97.04%
DCI P3 uv
98.65%
99.08%
Color Gamut Rec.2020 Picture
Rec 2020 xy
71.56%
72.34%
Rec 2020 uv
75.66%
78.02%
EOTF
Color Volume
7.3
7.8
P3 Color Volume ITP Picture
1,000 cd/m² DCI P3 Coverage ITP
44.4%
67.6%
2020 Color Volume ITP Picture
10,000 cd/m² Rec 2020 Coverage ITP
33.7%
32.9%
White Luminance
476 cd/m²
Red Luminance
77 cd/m²
Green Luminance
279 cd/m²
Blue Luminance
29 cd/m²
Cyan Luminance
303 cd/m²
Magenta Luminance
96 cd/m²
Yellow Luminance
326 cd/m²
Normalized DCI P3 Coverage ITP
81.9%
Normalized Rec 2020 Coverage ITP
63.7%
Local Dimming
10
Local Dimming Video
Local Dimming
No
No
Backlight
N/A
No Backlight
Pre Calibration
7.1
7.4
Pre White Balance Picture
Pre Gamma Curve Picture
Pre Color Picture
White Balance dE
3.55
3.32
Color dE
3.32
2.31
Gamma
2.44
2.30
Color Temperature
6,098 K
7,267 K
Picture Mode
Expert (Dark Room)
Expert (Dark Space)
Color Temp Setting
Warm 50
Gamma Setting
2.2
Post Calibration
9.6
9.5
Post White Balance Picture
Post Gamma Curve Picture
Post Color Picture
Picture Mode
Expert (Dark Room)
White Balance dE
0.15
0.16
Color dE
1.07
1.16
Gamma
2.20
2.20
Color Temperature
6,503 K
6,512 K
White Balance Calibration
22 point
Color Calibration
Yes
Gray Uniformity
8.2
8.3
50% Uniformity Picture
50% Std. Dev.
1.232%
1.773%
50% DSE
0.155%
0.139%
5% Uniformity Picture
5% Std. Dev.
0.384%
0.873%
5% DSE
0.116%
0.089%
Black Uniformity
10
10
Black Uniformity Picture With Preferred Local Dimming
Std. Dev.
N/A
N/A
Native Black Uniformity Picture
Native Std. Dev.
0.208%
0.272%
Viewing Angle
8.2
9.4
Viewing Angle Video
Chroma Graph
Color Shift Picture
Color Shift
34°
Color Washout
70°
Brightness Picture
Brightness
75°
Hue Graph
Black Level Picture
Color Shift
32°
Lightness Graph
Black Level
75°
Brightness Loss
70°
Black Level Raise
70°
Gamma Shift
70°
Reflections
9.4
9.0
Reflections Picture
Average Room Off Picture
Bright Room Off Picture
Screen Finish
Glossy
Semi-gloss
Total Reflections
1.5%
2.0%
Indirect Reflections
0.2%
0.4%
Calculated Direct Reflections
1.6%
HDR Native Gradient
8.5
8.0
HDR Gradient Picture
100% Black to 50% Gray
6.0
50% Gray to 100% White
8.0
100% Black to 50% Red
8.0
50% Red to 100% Red
10
100% Black to 50% Green
8.0
50% Green to 100% Green
8.0
100% Black to 50% Blue
8.0
50% Blue to 100% Blue
8.0
Color Depth
10 Bit
Red (Std. Dev.)
0.105
Green (Std. Dev.)
0.102
Blue (Std. Dev.)
0.085
Gray (Std. Dev.)
0.080
Low-Quality Content Smoothing
7.1
Low-Quality Content Smoothing Picture
Smoothing
7.5
Detail Preservation
6.0
Upscaling: Sharpness Processing
8.0
4.5
Sharpness Picture - 480p
Pixels
Pixels Picture
Subpixel Layout
RWBG
Type
OLED
OLED
Sub-Type
WRGB
WOLED
720p Input
8.0
720p Picture
1080p Input
9.0
1080p Picture
4k Input
10
4k Picture
Temporary Image Retention
6.0
Image Retention Picture
IR after 0 min recovery
1.22%
IR after 2 min recovery
0.35%
IR after 4 min recovery
0.20%
IR after 6 min recovery
0.14%
IR after 8 min recovery
0.12%
IR after 10 min recovery
0.10%
Permanent Burn-In Risk
1.0
Permanent Burn-In Risk
Yes
Motion
Response Time
10
9.4
Motion Blur Picture
Response Time Chart
80% Response Time
0.2 ms
0.3 ms
100% Response Time
1.0 ms
7.3 ms
Flicker-Free
10
10
Backlight chart
Flicker-Free
No
No
PWM Dimming Frequency
0 Hz
0 Hz
Black Frame Insertion (BFI)
BFI Picture
BFI Frequency Picture
Optional BFI
No
No
Min Flicker For 60 fps
0 Hz
N/A
60Hz For 60 fps
No
No
120Hz For 120 fps
No
N/A
Min Flicker for 60 fps in Game Mode
0 Hz
N/A
Motion Interpolation
Motion Interpolation (30 fps) Picture
Motion Interpolation (30 fps)
Yes
Yes
Motion Interpolation (60 fps) Picture
Motion Interpolation (60 fps)
Yes
No
Stutter
4.6
6.2
Frame Hold Time @ 24 fps
40.7 ms
34.4 ms
Frame Hold Time @ 60 fps
15.7 ms
9.4 ms
24p Judder
10
7.8
Judder-Free 24p
Yes
Yes
Judder-Free 24p via 60p
Yes
No
Judder-Free 24p via 60i
Yes
No
Judder-Free 24p via Native Apps
Yes
Yes
Variable Refresh Rate
0.0
0.0
Native Refresh Rate
120 Hz
60 Hz
Variable Refresh Rate
No
No
HDMI Forum VRR
No
FreeSync
No
G-SYNC Compatible
No
4k VRR Maximum
N/A
N/A
4k VRR Minimum
N/A
No VRR support
1080p VRR Maximum
N/A
N/A
1080p VRR Minimum
N/A
No VRR support
1440p VRR Maximum
N/A
1440p VRR Minimum
No VRR support
VRR + Local Dimming
No Local Dimming
VRR Supported Connectors
N/A
Inputs
Input Lag
9.1
9.7
1080p @ 60Hz
21.5 ms
10.1 ms
1080p @ 60Hz Outside Game Mode
63.1 ms
134.4 ms
1080p @ 120Hz
21.7 ms
N/A
1080p @ 144Hz
N/A
1440p @ 60Hz
10.1 ms
1440p @ 120Hz
N/A
1440p @ 144Hz
N/A
4k @ 60Hz
21.6 ms
10.0 ms
4k @ 60Hz + 10-Bit HDR
21.5 ms
10.0 ms
4k @ 60Hz @ 4:4:4
21.6 ms
10.1 ms
4k @ 60Hz Outside Game Mode
63.2 ms
134.2 ms
4k @ 60Hz With Interpolation
104.9 ms
147.7 ms
4k @ 120Hz
N/A
N/A
4k @ 144Hz
N/A
8k @ 60Hz
N/A
1080p @ 60Hz + HDR
21.4 ms
4k @ 60Hz @ 4:4:4 + 8 bit HDR
21.4 ms
4k with Variable Refresh Rate
N/A
1080p with Variable Refresh Rate
N/A
Supported Resolutions
8.3
7.1
Resolution
4k
4k
480p @ 59.94Hz (Widescreen)
Yes
720p @ 59.94Hz
Yes
1080p @ 60Hz @ 4:4:4
Yes
Yes
1080p @ 120Hz
Yes (native support)
No
1080p @ 144Hz
No
1440p @ 60Hz
No
Yes (forced resolution required)
1440p @ 120Hz
No
1440p @ 144Hz
No
4k @ 60Hz
Yes
Yes
4k @ 60Hz @ 4:4:4
Yes
Yes
4k @ 120Hz
No
No
4k @ 120Hz @ 4:4:4
No
4k @ 144Hz
No
8k @ 30Hz or 24Hz
No
8k @ 60Hz
No
4k @ 30Hz @ 4:4:4
Yes
PS5 Compatibility
PS5 Screenshot
Auto Low Latency Mode (ALLM)
Yes
4k @ 120Hz
No
1440p @ 120Hz
No
1080p @ 120Hz
No
HDR
Yes
VRR
Yes
Xbox Series X|S Compatibility
Xbox Series X Screenshot
Auto Low Latency Mode (ALLM)
Yes
4k @ 120Hz
No
1440p @ 120Hz
No
1080p @ 120Hz
No
HDR
Yes
VRR
No
Inputs Specifications
HDR10
Yes
Yes
HDR10+
No
Dolby Vision
Yes
Yes
HLG
Yes
Yes
HDMI 2.0 Full Bandwidth
Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3)
HDMI 2.1 Class Bandwidth
No
CEC
Yes
Yes
HDCP 2.2
Yes (HDMI 1,2,3,4)
Yes (HDMI 1,2,3)
ATSC Tuner
1.0
USB 3.0
Yes (1)
No
Variable Analog Audio Out
No
Yes
Wi-Fi Support
Yes (2.4 GHz, 5 GHz)
Yes (2.4 GHz, 5 GHz)
3D
No
5.1 Passthrough ARC Dolby Digital
Yes
Yes
5.1 Passthrough ARC DTS
Yes
No
5.1 Passthrough Optical Dolby Digital
Yes
Yes
5.1 Passthrough Optical DTS
Yes
No
HDMI 2.1 Full Bandwidth
No
ARC
Yes (HDMI 2)
MHL
No
Input Photos
Side Inputs Picture
Rear Inputs Picture
Total Inputs
HDMI
4
3
USB
3
2
Digital Optical Audio Out
1
1
Analog Audio Out 3.5mm
0
1
Analog Audio Out RCA
0
0
Component In
0
0
Composite In
1
0
Tuner (Cable/Ant)
1
1
Ethernet
1
1
DisplayPort
0
0
IR In
0
0
SD/SDHC
0
Audio Passthrough
ARC/eARC Port
eARC
eARC: Dolby Atmos Over Dolby Digital Plus
Yes
eARC: Dolby Digital Plus 7.1
Yes
eARC: LPCM 7.1 Over Dolby MAT
Yes
eARC: Dolby TrueHD 7.1
Yes
eARC: DTS:X Over DTS-HD MA
No
eARC: DTS-HD Master Audio 7.1
No
eARC: LPCM Channels (Bitstream)
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
Rear Inputs
Rear Inputs Picture
Sound Quality
Frequency Response
6.4
6.7
Frequency Response
Low-Frequency Extension
100.79 Hz
80.00 Hz
Std. Dev. @ 70
3.01 dB
6.00 dB
Std. Dev. @ 80
3.10 dB
5.46 dB
Std. Dev. @ Max
5.55 dB
5.45 dB
Max
84.7 dB SPL
91.7 dB SPL
Dynamic Range Compression
4.06 dB
3.95 dB
Distortion
6.2
6.4
Total Harmonic Distortion
Weighted THD @ 80
0.587
0.143
Weighted THD @ Max
0.938
0.627
IMD @ 80
1.37%
6.63%
IMD @ Max
21.47%
23.35%
Smart Features
Interface
8.5
8.5
Smart TV Picture
Smart OS
WebOS
webOS
Version
3.7
6.0
Ease of Use
Easy
Easy
Smoothness
Average
Average
Time Taken to Select YouTube
2 s
2 s
Time Taken to Change Backlight
7 s
6 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
Many
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 Amazon Video
Yes
HDR in YouTube
Yes
Yes
Remote
9.0
9.0
Remote Picture
Size
Large
Large
Voice Control
Search, Some Other Features
Many 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
89 W
87 W
Power Consumption (Max)
189 W
121 W
Firmware
4.70.07
03.11.25
Check Price
48"
48"
OLED48A1PUA
SEE PRICE
Amazon.com55"
OLED55B7A
SEE PRICE
Amazon.com55"
OLED55A1PUA
SEE PRICE
Amazon.com65"
OLED65B7A
SEARCH
Amazon.com65"
OLED65A1PUA
SEE PRICE
Amazon.com77"
77"
OLED77A1PUA
SEE PRICE
Amazon.com
LG B7/B7A OLED
LG A1 OLED
Comments
LG B7/B7A OLED vs LG A1 OLED: Main Discussion
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