A comparison of specs, key information, reviews, and best pricing from top retailers
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Company ProductName Specs
Company ProductName Specs
Advantages of the LG B1 (OLED)
- Very good for upscaling
Advantages of the LG B4 (OLED)
- Excellent for dark room
- Excellent for movies & TV
- Best in class viewing angle
Key differences
Cartoons & Animation
8.1
8.7
8.1/10
COLOR GAMUT SCORE
8.3/10
7.1/10
COLOR VOLUME SCORE
8.1/10
7.0/10
SDR BRIGHTNESS SCORE
7.1/10
7.1/10
COLORS OUT OF THE BOX SCORE
8.5/10
9.6/10
GRAY UNIFORMITY
9.5/10
The LG B4 (OLED) and LG B1 (OLED) are both very good for cartoons & animation, though the LG B4 (OLED) is somewhat better.
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Key similarities
Picture Quality
8.4
8.8
10.00/10
CONTRAST
10/10
7.1/10
COLOR VOLUME SCORE
8.1/10
WOLED
PANEL TYPE
WOLED
WBC
PANEL SUB-TYPE
WBC
The LG B4 (OLED) and LG B1 (OLED) both have very good picture quality.
Movies & TV
8.9
9.2
10.00/10
CONTRAST
10/10
10.0/10
BLACK UNIFORMITY
10.0/10
8.0/10
UPSCALING
7.0/10
Yes
HDR10 SUPPORT
Yes
No
HDR10+ SUPPORT
No
Yes
DOLBY VISION SUPPORT
Yes
Although they have very similar scores, PerfectRec considers LG B4 (OLED) to be excellent for movies & TV, while the LG B1 (OLED) is very good.
Sports
8.3
8.3
8.0/10
MOTION PROCESSING
8.0/10
120Hz
REFRESH RATE
120Hz
8.0/10
INPUT LAG SCORE
10.0/10
8.0/10
UPSCALING
7.0/10
7.0/10
SDR BRIGHTNESS SCORE
7.1/10
Yes
HLG SUPPORT
Yes
The LG B4 (OLED) and LG B1 (OLED) are both very good for sports.
Gaming
8.9
8.9
9.4/10
RESPONSE TIME SCORE
9.4/10
8.0/10
INPUT LAG SCORE
10.0/10
8.0/10
MOTION PROCESSING
8.0/10
100.0/100
GAMING LOCAL DIMMING
100.0/100
6.7/10
GAME HDR BRIGHTNESS SCORE
7.5/10
The LG B4 (OLED) and LG B1 (OLED) are both very good for gaming.
News, Talk, & Other TV
8.5
8.3
7.0/10
SDR BRIGHTNESS SCORE
7.1/10
8.0/10
UPSCALING
7.0/10
The LG B1 (OLED) and LG B4 (OLED) are both very good for news, talk, & other TV.
Bright Room
7.0
7.3
9.1/10
VIEWING ANGLE
9.5/10
7.0/10
SDR BRIGHTNESS SCORE
7.1/10
6.6/10
HDR BRIGHTNESS SCORE
7.2/10
9.2/10
REFLECTIONS SCORE
9.2/10
The LG B4 (OLED) and LG B1 (OLED) are both good for bright room.
Cost
$3,500
$3,400
$1,000
$2,000
$3,000
$4,000
$5,000
$6,000
The LG B1 (OLED) has a price of $3,500 and the LG B4 (OLED) costs $3,400.
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How the LG B1 (OLED) and the LG B4 (OLED) compare to other TVs
Spec Comparison
 |  | |
| LG B1 (OLED) | LG B4 (OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$3,500 | $3,400 | ||
Brand | |||
Brand | LG | LG | |
Release Date | |||
Release Date | March 3, 2021 | March 1, 2024 | |
Full name | |||
Full name | OLED77B1 | OLED77B4 | |
Screen Size | |||
Screen Size | 77" | 77" | |
Screen Resolution | |||
Screen Resolution | 4K | 4K | |
TV FEATURES | |||
|---|---|---|---|
Operating System | |||
Operating System | webOS | WebOS | |
Sound Quality Score | |||
Sound Quality Score | 7.8/10 | 7/10 | |
NextGen Ready | |||
NextGen Ready | No | No | |
HDMI Ports | |||
HDMI Ports | 4 | 4 | |
Coax Ports | |||
Coax Ports | 1 | 1 | |
DISPLAY QUALITY SCORES | |||
|---|---|---|---|
Picture Quality Score | |||
Picture Quality Score | 8.4/10 | 8.9/10 | |
Bright Room Score | |||
Bright Room Score | 7/10 | 7.4/10 | |
Gaming Score | |||
Gaming Score | 8.9/10 | 9/10 | |
Movies & TV Score | |||
Movies & TV Score | 9/10 | 9.3/10 | |
Sports Score | |||
Sports Score | 8.3/10 | 8.3/10 | |
PHYSICAL | |||
|---|---|---|---|
Dimensions w/o Stand (H x W x D) | |||
Dimensions w/o Stand (H x W x D) | 39.1" x 67.8" x 2.2" | 67.7" x 38.9" x 2.0" | |
Dimensions with Stand (H x W) | |||
Dimensions with Stand (H x W) | 41.1" x 67.8" | 67.7" x 41.6" x 12.6" | |
Weight without Stand | |||
Weight without Stand | 58.9 lbs | 50.5 lbs | |
VESA Mount | |||
VESA Mount | 400 x 200 | 300 x 200 | |
DISPLAY | |||
|---|---|---|---|
Color Depth | |||
Color Depth | 10 bit | 10 bit | |
Black Frame Insertion | |||
Black Frame Insertion | Yes | Yes | |
Auto Low Latency Mode | |||
Auto Low Latency Mode | Yes | Yes | |
Contrast | |||
Contrast | 10/10 | 10/10 | |
Local Dimming | |||
Local Dimming | 10/10 | 10/10 | |
SOUND | |||
|---|---|---|---|
Speaker Setup | |||
Speaker Setup | 2.2 | 2.0 | |
Speaker Power | |||
Speaker Power | 40 W | 20 W | |
Dolby Atmos | |||
Dolby Atmos | Yes | Yes | |
DTS:X | |||
DTS:X | No | Yes | |
Get a great deal on the LG B1 (OLED) or the LG B4 (OLED)
About LG
LG, a prominent TV brand from Korea, has played a significant role in popularizing OLED TVs. OLED technology is hailed as the future of TV technology. Their TVs employ WebOS, a proprietary smart TV software that not only offers seamless functionality but also includes gaming-specific features, earning praise from players worldwide. Often regarded as the gateway to unparalleled viewing experiences, LG's mid-range OLEDs come highly recommended, making them a worthwhile investment for those willing to stretch their budget for superior quality.
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This information was produced and vetted by the PerfectRec TVs team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest TV information and makes it digestible for you.
By the numbers
385
TVs evaluated
33,110
TVs stats compiled
21
Proprietary TVs ratings developed
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Recommendations made
18,005
Consumer hours saved
About the TV team
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Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.
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Staff Expert & Software Engineer
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Staff Expert & Software Engineer
Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.
Jaime Roldán
TVs Expert
Jaime is a Colombia-based TV expert. He is an electronics engineer with 8 years of experience in the telecom sector and has been making TV recommendations for 12 years.
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