A comparison of specs, key information, reviews, and best pricing from top retailers
Last updated -- hours ago | Report incorrect information
OLED65B4
Company ProductName Specs











QN65QN90D
Company ProductName Specs











Advantages of the LG B4 (OLED)
  • Excellent for dark room
  • Excellent for movies & TV
  • Very good for sports
  • Best in class viewing angle
Advantages of the Samsung QN90D (LCD)
  • Best in class for bright room
  • Excellent for news, talk, & other TV
  • Very good for upscaling

Key differences

Chevron down

Picture Quality

8.8
OLED65B4
QN65QN90D
8.2
10/10
CONTRAST
7/10
8.1/10
COLOR VOLUME SCORE
8.2/10
WOLED
PANEL TYPE
miniLED FALD
WBC
PANEL SUB-TYPE
ADS / IPS
The LG B4 (OLED) and Samsung QN90D (LCD) both have very good picture quality, though the LG B4 (OLED) has somewhat better picture quality.

Movies & TV

9.2
OLED65B4
QN65QN90D
8.1
10/10
CONTRAST
7/10
10.0/10
BLACK UNIFORMITY
7.0/10
7.0/10
UPSCALING
8.0/10
Yes
HDR10 SUPPORT
Yes
No
HDR10+ SUPPORT
Yes
Yes
DOLBY VISION SUPPORT
No
The LG B4 (OLED) is excellent for movies & TV, while the Samsung QN90D (LCD) is very good.

Sports

8.3
OLED65B4
QN65QN90D
7.1
8.0/10
MOTION PROCESSING
8.0/10
120Hz
REFRESH RATE
144Hz
10.0/10
INPUT LAG SCORE
10.0/10
7.0/10
UPSCALING
8.0/10
7.1/10
SDR BRIGHTNESS SCORE
10.0/10
Yes
HLG SUPPORT
Yes
The LG B4 (OLED) is very good for sports, while the Samsung QN90D (LCD) is good.

News, Talk, & Other TV

8.3
OLED65B4
QN65QN90D
9.0
7.1/10
SDR BRIGHTNESS SCORE
10.0/10
7.0/10
UPSCALING
8.0/10
The Samsung QN90D (LCD) is excellent for news, talk, & other TV, while the LG B4 (OLED) is very good.

Bright Room

7.3
OLED65B4
QN65QN90D
9.7
9.5/10
VIEWING ANGLE
7.4/10
7.1/10
SDR BRIGHTNESS SCORE
10.0/10
7.2/10
HDR BRIGHTNESS SCORE
9.3/10
9.2/10
REFLECTIONS SCORE
9.0/10
The Samsung QN90D (LCD) is best in class for bright room, while the LG B4 (OLED) is good.

Cost

$1,900
OLED65B4
QN65QN90D
$2,700
Product image
Product image

$0

$1,000

$2,000

$3,000

$4,000

$5,000

The LG B4 (OLED) has a price of $1,900 and the Samsung QN90D (LCD) costs $2,700.
Image of TVs
Let Us Help Find Your Perfect TV
Find your new TV

Key similarities

Chevron down

Gaming

8.9
OLED65B4
QN65QN90D
8.8
9.4/10
RESPONSE TIME SCORE
8.3/10
10.0/10
INPUT LAG SCORE
10.0/10
8.0/10
MOTION PROCESSING
8.0/10
100.0/100
GAMING LOCAL DIMMING
70.0/100
7.5/10
GAME HDR BRIGHTNESS SCORE
9.2/10
The LG B4 (OLED) and Samsung QN90D (LCD) are both very good for gaming.

Cartoons & Animation

8.7
OLED65B4
QN65QN90D
8.8
8.3/10
COLOR GAMUT SCORE
7.8/10
8.1/10
COLOR VOLUME SCORE
8.2/10
7.1/10
SDR BRIGHTNESS SCORE
10.0/10
8.5/10
COLORS OUT OF THE BOX SCORE
9.5/10
9.5/10
GRAY UNIFORMITY
6.6/10
The Samsung QN90D (LCD) and LG B4 (OLED) are both very good for cartoons & animation.

Give feedback

We’re constantly working to improve.

How the LG B4 (OLED) and the Samsung QN90D (LCD) compare to other TVs

Chevron down

Spec Comparison

Chevron down
LG B4 (OLED)Samsung QN90D (LCD)
LG B4 (OLED)Samsung QN90D (LCD)

GENERAL

Price
$1,900
$2,700
Brand
LGSamsung
Release Date
March 1, 2024March 1, 2024
Full name
OLED65B4QN65QN90D
Screen Size
65"65"
Screen Resolution
4K4K

TV FEATURES

Operating System
WebOSTizen
Sound Quality Score
7/107.8/10
NextGen Ready
NoYes
HDMI Ports
44
Coax Ports
11

DISPLAY QUALITY SCORES

Picture Quality Score
8.9/108.2/10
Bright Room Score
7.4/109.8/10
Gaming Score
9/108.9/10
Movies & TV Score
9.3/108.1/10
Sports Score
8.3/107.2/10

PHYSICAL

Dimensions w/o Stand (H x W x D)
57.0" x 32.8" x 1.8"25.4" x 43.8" x 1.1"
Dimensions with Stand (H x W)
57.0" x 35.3" x 9.3"27.8" x 43.8"
Weight without Stand
37.7 lbs29.8 lbs
VESA Mount
300 x 200200 x 200

DISPLAY

Color Depth
10 bit10 bit
Black Frame Insertion
YesYes
Auto Low Latency Mode
YesYes
Contrast
10/107/10
Local Dimming
10/108/10

SOUND

Speaker Setup
2.02.2
Speaker Power
20 W40 W
Dolby Atmos
YesYes
DTS:X
YesNo

Get a great deal on the LG B4 (OLED) or the Samsung QN90D (LCD)

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.

About Samsung

Samsung, a South Korean electronics manufacturer, holds the title of being the largest global TV vendor in terms of units sold. They offer a diverse lineup of TV products that cater to various budget ranges. A notable achievement in recent years is the development of Quantum Dots, a technology that enhances color reproduction, resulting in richer and more vibrant hues. Samsung TVs are well-regarded for their high manufacturing quality and user-friendly software, making them an excellent choice for consumers seeking an intuitive viewing experience.

Give feedback

We're constantly perfecting our model

TV guides you might be interested in

Chevron down

FAQs

Chevron down

FAQs about TVs

Questions about PerfectRec >

Why trust us

Chevron down
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
75,630
Recommendations made
11,345
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.

Featured in

Color LTT LogoGeekwire logo9to5 Mac logoPhone Arena LogoColor Daring Fireball logo