Between the QM7K Mini-LED 75 and S90F QD-OLED 65, the QM7K Mini-LED 75 comes out ahead in peak brightness and screen size, while the S90F QD-OLED 65 wins on panel type. Overall, the QM7K Mini-LED 75 scores 77.3 and the S90F QD-OLED 65 scores 67.5 on our Mars Score.
Which should you buy?
The QM7K Mini-LED 75 is the clear pick on raw spec strength, leading by 9.8 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the QM7K Mini-LED 75 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, screen size, dolby vision, among others.
Pick the S90F QD-OLED 65 if you care most about panel type. Its strongest claims are panel type.
Both ship with comparable refresh rate, hdmi 2.1 ports, vrr, so those specs don't separate the two — focus on the differences below.
Bottom line: the QM7K Mini-LED 75 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why TCL - QM7K Mini-LED 75 wins
- ▲Peak brightness — 66.67% more. 3500 nits vs 2100 nits.
- ▲Screen size — 15.38% more. 75 " vs 65 ".
- ▲Has Dolby Vision.
- ▲Smart OS: Google TV (vs Tizen).
Why Samsung - S90F QD-OLED 65 wins
- ▲Panel type: QD-OLED (vs Mini-LED).
Spec comparison
Display
| Spec | TCL - QM7K Mini-LED 75 | Samsung - S90F QD-OLED 65 |
|---|---|---|
| Screen sizeⓘ | 75 "lead | 65 " |
| Panel typeⓘ | Mini-LED | QD-OLEDlead |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 144 Hz | 144 Hz |
| Peak brightnessⓘ | 3500 nitslead | 2100 nits |
HDR & Smart
| Spec | TCL - QM7K Mini-LED 75 | Samsung - S90F QD-OLED 65 |
|---|---|---|
| Dolby Visionⓘ | truelead | false |
| HDR10+ⓘ | true | true |
| Smart OS | Google TVlead | Tizen |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | TCL - QM7K Mini-LED 75 | Samsung - S90F QD-OLED 65 |
|---|---|---|
| HDMI 2.1 portsⓘ | 4 | 4 |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, QM7K Mini-LED 75 or S90F QD-OLED 65?+
QM7K Mini-LED 75 peaks at 3500 nits vs 2100 nits.
Which is better for gaming, QM7K Mini-LED 75 or S90F QD-OLED 65?+
QM7K Mini-LED 75 offers 144Hz refresh and 4 HDMI 2.1 ports.
Does QM7K Mini-LED 75 or S90F QD-OLED 65 support Dolby Vision?+
QM7K Mini-LED 75 supports Dolby Vision; S90F QD-OLED 65 does not.
Spec-level deep dives
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