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
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TVs stats compiled
21
Proprietary TVs ratings developed
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Recommendations made
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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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