A comparison of specs, key information, reviews, and best pricing from top retailers
Last updated -- hours ago | Report incorrect information
Company ProductName Specs
Company ProductName Specs
Advantages of the LG C4 (OLED)
- The LG C4 (OLED) has no clear advantages over the Samsung S90D (OLED).
Advantages of the Samsung S90D (OLED)
- Excellent for cartoons & animation
Key similarities
Picture Quality
9.0
9.4
10/10
CONTRAST
10/10
8.1/10
COLOR VOLUME SCORE
9.2/10
WOLED
PANEL TYPE
RGB OLED
WBC
PANEL SUB-TYPE
QD-OLED
The Samsung S90D (OLED) and LG C4 (OLED) both have excellent picture quality.
Movies & TV
9.2
9.4
10/10
CONTRAST
10/10
10.0/10
BLACK UNIFORMITY
10.0/10
8.0/10
UPSCALING
8.0/10
Yes
HDR10 SUPPORT
Yes
No
HDR10+ SUPPORT
Yes
Yes
DOLBY VISION SUPPORT
No
The Samsung S90D (OLED) and LG C4 (OLED) are both excellent for movies & TV.
Sports
8.5
8.7
8.0/10
MOTION PROCESSING
8.2/10
144Hz
REFRESH RATE
144Hz
10.0/10
INPUT LAG SCORE
10.0/10
8.0/10
UPSCALING
8.0/10
8.0/10
SDR BRIGHTNESS SCORE
7.8/10
Yes
HLG SUPPORT
Yes
The Samsung S90D (OLED) and LG C4 (OLED) are both very good for sports.
Gaming
10.0
10.0
10.0/10
RESPONSE TIME SCORE
10.0/10
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
8.0/10
GAME HDR BRIGHTNESS SCORE
8.4/10
The LG C4 (OLED) and Samsung S90D (OLED) are both best in class for gaming.
Cartoons & Animation
8.8
9.3
8.3/10
COLOR GAMUT SCORE
9.2/10
8.1/10
COLOR VOLUME SCORE
9.2/10
8.0/10
SDR BRIGHTNESS SCORE
7.8/10
7.9/10
COLORS OUT OF THE BOX SCORE
8.8/10
10.0/10
GRAY UNIFORMITY
9.8/10
Although they have very similar scores, PerfectRec considers Samsung S90D (OLED) to be excellent for cartoons & animation, while the LG C4 (OLED) is very good.
News, Talk, & Other TV
9.0
9.1
8.0/10
SDR BRIGHTNESS SCORE
7.8/10
8.0/10
UPSCALING
8.0/10
The Samsung S90D (OLED) and LG C4 (OLED) are both excellent for news, talk, & other TV.
Bright Room
8.3
8.5
9.5/10
VIEWING ANGLE
10.0/10
8.0/10
SDR BRIGHTNESS SCORE
7.8/10
8.0/10
HDR BRIGHTNESS SCORE
8.0/10
10.0/10
REFLECTIONS SCORE
10.0/10
The Samsung S90D (OLED) and LG C4 (OLED) are both very good for bright room.
Cost
$3,699
$3,700
$1,000
$2,000
$3,000
$4,000
$5,000
$6,000
The LG C4 (OLED) has a price of $3,699 and the Samsung S90D (OLED) costs $3,700.
Let Us Help Find Your Perfect TV
Find your new TV
Give feedback
We’re constantly working to improve.
How the LG C4 (OLED) and the Samsung S90D (OLED) compare to other TVs
Spec Comparison
 |  | |
| LG C4 (OLED) | Samsung S90D (OLED) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$3,699 | $3,700 | ||
Brand | |||
Brand | LG | Samsung | |
Release Date | |||
Release Date | March 1, 2024 | March 1, 2024 | |
Full name | |||
Full name | OLED77C4 | QN77S90D | |
Screen Size | |||
Screen Size | 77" | 77" | |
Screen Resolution | |||
Screen Resolution | 4K | 4K | |
TV FEATURES | |||
|---|---|---|---|
Operating System | |||
Operating System | WebOS | Tizen | |
Sound Quality Score | |||
Sound Quality Score | 8/10 | 6.4/10 | |
NextGen Ready | |||
NextGen Ready | No | Yes | |
HDMI Ports | |||
HDMI Ports | 4 | 4 | |
Coax Ports | |||
Coax Ports | 1 | 1 | |
DISPLAY QUALITY SCORES | |||
|---|---|---|---|
Picture Quality Score | |||
Picture Quality Score | 9/10 | 9.4/10 | |
Bright Room Score | |||
Bright Room Score | 8.3/10 | 8.6/10 | |
Gaming Score | |||
Gaming Score | 10/10 | 10/10 | |
Movies & TV Score | |||
Movies & TV Score | 9.2/10 | 9.5/10 | |
Sports Score | |||
Sports Score | 8.5/10 | 8.8/10 | |
PHYSICAL | |||
|---|---|---|---|
Dimensions w/o Stand (H x W x D) | |||
Dimensions w/o Stand (H x W x D) | 67.4" x 38.7" x 1.9" | 38.9" x 67.7" x 1.8" | |
Dimensions with Stand (H x W) | |||
Dimensions with Stand (H x W) | 67.4" x 40.7" x 10.5" | 41.1" x 67.7" | |
Weight without Stand | |||
Weight without Stand | 51.8 lbs | Unknown | |
VESA Mount | |||
VESA Mount | 300 x 200 | 400 x 300 | |
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 | 2.1 | |
Speaker Power | |||
Speaker Power | 40 W | 40 W | |
Dolby Atmos | |||
Dolby Atmos | Yes | Yes | |
DTS:X | |||
DTS:X | Yes | No | |
Get a great deal on the LG C4 (OLED) or the Samsung S90D (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.
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
More comparisons for you
FAQs
FAQs about TVs
Why trust us
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.
Featured in
