Between the QM751 Mini LED 65 and S90F QD-OLED 65, the QM751 Mini LED 65 comes out ahead in peak brightness and dolby vision, while the S90F QD-OLED 65 wins on refresh rate and hdmi 2.1 ports. Overall, the QM751 Mini LED 65 scores 69.5 and the S90F QD-OLED 65 scores 64.5 on our Mars Score.
Which should you buy?
The QM751 Mini LED 65 edges ahead on the Mars Score (69.5 vs 64.5), but the 5.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the QM751 Mini LED 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, dolby vision, smart os.
Pick the S90F QD-OLED 65 if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are refresh rate, hdmi 2.1 ports, panel type.
Both ship with comparable screen size, vrr, so those specs don't separate the two — focus on the differences below.
Bottom line: the QM751 Mini LED 65 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why TCL - QM751 Mini LED 65 wins
- ▲Peak brightness — 100.00% more. 3000 nits vs 1500 nits.
- ▲Has Dolby Vision.
- ▲Smart OS: Google TV (vs Tizen).
Why Samsung - S90F QD-OLED 65 wins
- ▲Refresh rate — 20.00% more. 144 Hz vs 120 Hz.
- ▲HDMI 2.1 ports — 2.00 more. 4 vs 2.
- ▲Panel type: QD-OLED (vs Mini-LED).
Spec comparison
Display
| Spec | TCL - QM751 Mini LED 65 | Samsung - S90F QD-OLED 65 |
|---|---|---|
| Screen sizeⓘ | 65 " | 65 " |
| Panel typeⓘ | Mini-LED | QD-OLEDlead |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 120 Hz | 144 Hzlead |
| Peak brightnessⓘ | 3000 nitslead | 1500 nits |
HDR & Smart
| Spec | TCL - QM751 Mini LED 65 | Samsung - S90F QD-OLED 65 |
|---|---|---|
| Dolby Visionⓘ | truelead | false |
| HDR10+ⓘ | true | true |
| Smart OS | Google TVlead | Tizen |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | TCL - QM751 Mini LED 65 | Samsung - S90F QD-OLED 65 |
|---|---|---|
| HDMI 2.1 portsⓘ | 2 | 4lead |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, QM751 Mini LED 65 or S90F QD-OLED 65?+
QM751 Mini LED 65 peaks at 3000 nits vs 1500 nits.
Which is better for gaming, QM751 Mini LED 65 or S90F QD-OLED 65?+
S90F QD-OLED 65 offers 144Hz refresh and 4 HDMI 2.1 ports.
Does QM751 Mini LED 65 or S90F QD-OLED 65 support Dolby Vision?+
QM751 Mini LED 65 supports Dolby Vision; S90F QD-OLED 65 does not.
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.