Samsung S90H vs LG C6
The mainstream OLED choice from each of the two biggest brands.
These two compete directly. The differences that matter are Dolby Vision support, smart platforms and how each model performs at your chosen size.
The short version
- Samsung S90H OLED is measured about 14% brighter than LG C6 OLED evo in a 10% HDR window (1,593 vs 1,397 nits).
- Samsung S90H OLED does not support Dolby Vision, a format used by many streaming services and 4K Blu-rays.
Choose S90H OLED if…
- you want the lowest price of this group
Choose C6 OLED evo if…
- you want the lowest price of this group
Measured Claimed
Size & price
Screen size
65″
65″
Exact model
QN65S90HAEXZA
OLED65C6PUA
Best current price
$1,400
$1,400
List price
Not published
$2,699
Price per inch
$22
$22
Model year
2026
2026
Picture
Display technologyOLED types light each pixel on their own. Mini LED and QLED use a backlight, and tend to get brighter.
WOLED
WOLED
Panel typeVA panels have deeper black than IPS/ADS, which hold up better from the side.
OLED
OLED
HDR formats
HDR10, HDR10+, HLG
HDR10, Dolby Vision, HLG
HDR peak brightness (10% window)The most-quoted HDR brightness figure. A 10% window is about the size of a bright object in a scene.
1,593 nitsmeasured
1,397 nitsmeasured
HDR full-screen brightnessBrightness of a completely bright image, like a snowfield or a hockey rink.
305 nitsmeasured
241 nitsmeasured
SDR peak brightness (10% window)How bright regular, non-HDR content gets, which matters most in a sunny room.
226 nitsmeasured
355 nitsmeasured
DCI-P3 color coverageHow much of the color range used by modern movies the TV can show.
99.3%measured
99.73%measured
Color accuracy out of the box (ΔE)Lower is better. Under about 3 is hard to distinguish from perfect by eye.
ΔE 1.65measured
ΔE 1.53measured
Gaming
HDMI 2.1 portsNeeded for 4K at 120 Hz and above.
4
4
Highest 4K refresh
165 Hz
165 Hz
Variable refresh rate
FreeSync Premium Pro, NVIDIA G-SYNC Compatible
FreeSync Premium, NVIDIA G-SYNC Compatible
Auto Low Latency Mode
Yes
Yes
Input lag, 4K 60 Hz (game mode)The delay between pressing a button and seeing it on screen.
9.25 msmeasured
11 msmeasured
Room suitability
SDR full-screen brightnessFull-screen brightness for regular content. This is the number that fights daylight during sports and news.
Not published
616 nitsmeasured
Screen finish
Glare Free matte screen; Samsung cites a gloss level of 15 GU or less
Not published
Width (without stand)
Not published
56.7″
Weight (without stand)
Not published
36.6 lb
VESA pattern
Not published
300 × 200 mm
Features
Smart TV platform
Tizen
webOS
Broadcast tuner
ATSC 1.0
ATSC 1.0, ClearQAM
eARC
Not published
Yes
HDMI ports
4
4
AirPlay
Not published
Yes
Google Cast
Not published
Yes
Warranty
Not published
1 year
Fit scores
Movies
8.1 / 10
8.4 / 10
Bright room
3.1 / 10
2.7 / 10
Sports
7.1 / 10
7.2 / 10
Gaming
9.8 / 10
9.6 / 10
Value
8.2 / 10
8.5 / 10
Want to swap in a different TV? Open this in the full comparison tool.