Between the QN900F 8K 65 and S90F QD-OLED 65, the QN900F 8K 65 comes out ahead in peak brightness / refresh rate, while the S90F QD-OLED 65 wins on panel type. Overall, the QN900F 8K 65 scores 74.2 and the S90F QD-OLED 65 scores 67.5 on our Mars Score.
Which should you buy?
The QN900F 8K 65 edges ahead on the Mars Score (74.2 vs 67.5), but the 6.7-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the QN900F 8K 65 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are peak brightness, refresh rate.
Pick the S90F QD-OLED 65 if you care most about panel type. Its strongest claims are panel type.
Both ship with comparable screen size, dolby vision, hdmi 2.1 ports, so those specs do not separate the two — focus on the differences below.
Bottom line: the QN900F 8K 65 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Samsung - QN900F 8K 65 wins
- ▲Peak brightness — 42.86% more. 3000 nits vs 2100 nits.
- ▲Refresh rate — 14.58% more. 165 Hz vs 144 Hz.
Why Samsung - S90F QD-OLED 65 wins
- ▲Panel type: QD-OLED (vs Mini-LED).
Spec comparison
Display
| Spec | Samsung - QN900F 8K 65 | Samsung - S90F QD-OLED 65 |
|---|---|---|
| Screen sizeⓘ | 65 " | 65 " |
| Panel typeⓘ | Mini-LED | QD-OLEDlead |
| Resolutionⓘ | 8Klead | 4K |
| Refresh rateⓘ | 165 Hzlead | 144 Hz |
| Peak brightnessⓘ | 3000 nitslead | 2100 nits |
HDR & Smart
| Spec | Samsung - QN900F 8K 65 | Samsung - S90F QD-OLED 65 |
|---|---|---|
| Dolby Visionⓘ | false | false |
| HDR10+ⓘ | true | true |
| Smart OS | Tizen | Tizen |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | Samsung - QN900F 8K 65 | Samsung - S90F QD-OLED 65 |
|---|---|---|
| HDMI 2.1 portsⓘ | 4 | 4 |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, QN900F 8K 65 or S90F QD-OLED 65?+
QN900F 8K 65 peaks at 3000 nits vs 2100 nits.
Which is better for gaming, QN900F 8K 65 or S90F QD-OLED 65?+
QN900F 8K 65 offers 165Hz refresh and 4 HDMI 2.1 ports.
Does QN900F 8K 65 or S90F QD-OLED 65 support Dolby Vision?+
Neither supports Dolby Vision.
Spec-level deep dives
More from the same brands
vsMars is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no extra cost to you. Learn more.