A comparison of specs, key information, reviews, and best pricing from top retailers
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OLED77B4
Company ProductName Specs











OLED77G3
Company ProductName Specs











Advantages of the LG B4 (OLED)
  • The LG B4 (OLED) has no clear advantages over the LG G3 (OLED).
Advantages of the LG G3 (OLED)
  • Excellent for bright room
  • Excellent for news, talk, & other TV
  • Excellent for cartoons & animation
  • Excellent for use as monitor
  • Very good for upscaling
  • Best in class reflections

Key differences

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News, Talk, & Other TV

8.3
OLED77B4
OLED77G3
9.2
7.1/10
SDR BRIGHTNESS SCORE
8.4/10
7.0/10
UPSCALING
8.0/10
The LG G3 (OLED) is excellent for news, talk, & other TV, while the LG B4 (OLED) is very good.

Bright Room

7.3
OLED77B4
OLED77G3
9.4
9.5/10
VIEWING ANGLE
10.0/10
7.1/10
SDR BRIGHTNESS SCORE
8.4/10
7.2/10
HDR BRIGHTNESS SCORE
8.7/10
9.2/10
REFLECTIONS SCORE
10.0/10
The LG G3 (OLED) is excellent for bright room, while the LG B4 (OLED) is good.

Cost

$3,400
OLED77B4
OLED77G3
$2,847
Product image
Product image

$1,000

$2,000

$3,000

$4,000

$5,000

$6,000

The LG B4 (OLED) has a price of $3,400 and the LG G3 (OLED) costs $2,847.
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Key similarities

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Picture Quality

8.8
OLED77B4
OLED77G3
9.3
10/10
CONTRAST
10.00/10
8.1/10
COLOR VOLUME SCORE
8.5/10
WOLED
PANEL TYPE
WOLED
WBC
PANEL SUB-TYPE
WBE+MLA
Although they have very similar scores, PerfectRec considers LG G3 (OLED) to have excellent picture quality, while the LG B4 (OLED) has very good picture quality.

Movies & TV

9.2
OLED77B4
OLED77G3
9.3
10/10
CONTRAST
10.00/10
10.0/10
BLACK UNIFORMITY
10.0/10
7.0/10
UPSCALING
8.0/10
Yes
HDR10 SUPPORT
Yes
No
HDR10+ SUPPORT
No
Yes
DOLBY VISION SUPPORT
Yes
The LG G3 (OLED) and LG B4 (OLED) are both excellent for movies & TV.

Sports

8.3
OLED77B4
OLED77G3
8.7
8.0/10
MOTION PROCESSING
8.2/10
120Hz
REFRESH RATE
120Hz
10.0/10
INPUT LAG SCORE
10.0/10
7.0/10
UPSCALING
8.0/10
7.1/10
SDR BRIGHTNESS SCORE
8.4/10
Yes
HLG SUPPORT
Yes
The LG G3 (OLED) and LG B4 (OLED) are both very good for sports.

Gaming

8.9
OLED77B4
OLED77G3
8.9
9.4/10
RESPONSE TIME SCORE
9.4/10
10.0/10
INPUT LAG SCORE
10.0/10
8.0/10
MOTION PROCESSING
8.2/10
100.0/100
GAMING LOCAL DIMMING
100.0/100
7.5/10
GAME HDR BRIGHTNESS SCORE
8.3/10
The LG G3 (OLED) and LG B4 (OLED) are both very good for gaming.

Cartoons & Animation

8.7
OLED77B4
OLED77G3
9.2
8.3/10
COLOR GAMUT SCORE
8.3/10
8.1/10
COLOR VOLUME SCORE
8.5/10
7.1/10
SDR BRIGHTNESS SCORE
8.4/10
8.5/10
COLORS OUT OF THE BOX SCORE
8.6/10
9.5/10
GRAY UNIFORMITY
10.0/10
Although they have very similar scores, PerfectRec considers LG G3 (OLED) to be excellent for cartoons & animation, while the LG B4 (OLED) is very good.

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How the LG B4 (OLED) and the LG G3 (OLED) compare to other TVs

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Spec Comparison

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LG B4 (OLED)LG G3 (OLED)
LG B4 (OLED)LG G3 (OLED)

GENERAL

Price
$3,400
$2,847
Brand
LGLG
Release Date
March 1, 2024April 8, 2023
Full name
OLED77B4OLED77G3
Screen Size
77"77"
Screen Resolution
4K4K

TV FEATURES

Operating System
WebOSwebOS
Sound Quality Score
7/108.6/10
NextGen Ready
NoYes
HDMI Ports
44
Coax Ports
11

DISPLAY QUALITY SCORES

Picture Quality Score
8.9/109.3/10
Bright Room Score
7.4/109.5/10
Gaming Score
9/109/10
Movies & TV Score
9.3/109.4/10
Sports Score
8.3/108.8/10

PHYSICAL

Dimensions w/o Stand (H x W x D)
67.7" x 38.9" x 2.0"38.4" x 67.4" x 1"
Dimensions with Stand (H x W)
67.7" x 41.6" x 12.6"40.9" x 67.4"
Weight without Stand
50.5 lbs81.1 lbs
VESA Mount
300 x 200300 x 300

DISPLAY

Color Depth
10 bit10 bit
Black Frame Insertion
YesYes
Auto Low Latency Mode
YesYes
Contrast
10/1010/10
Local Dimming
10/1010/10

SOUND

Speaker Setup
2.04.2
Speaker Power
20 WUnknown
Dolby Atmos
YesYes
DTS:X
YesNo

Shopping

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LG G3 (OLED)

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Dig into reviews and images

IGN

Jaron Schneider | July 2023
"The LG G3 is one of the best well-rounded televisions you can buy in 2023. It excels in showcasing the best movies and TV have to offer while also coming packed with the features you want to see in a top-tier gaming experience."

Get a great deal on the LG B4 (OLED) or the LG G3 (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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Why trust us

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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
129,330
Recommendations made
19,400
Consumer hours saved

About the TV team

Joe Golden, Ph.D

CEO and TVs Editor
Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.

Jason Lew

Staff Expert & Software Engineer
Jason is a staff expert and software engineer that has been making laptop recommendations for 7 years and moderates one of the largest laptop subreddits.

Chandradeep Chowdhury

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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