Between the QM851 Mini LED 65 and S90F QD-OLED 65, the QM851 Mini LED 65 comes out ahead in peak brightness and dolby vision, while the S90F QD-OLED 65 wins on hdmi 2.1 ports and panel type. Overall, the QM851 Mini LED 65 scores 76.9 and the S90F QD-OLED 65 scores 67.5 on our Mars Score.
Which should you buy?
The QM851 Mini LED 65 is the clear pick on raw spec strength, leading by 9.4 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 QM851 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 you care most about hdmi 2.1 ports and panel type. Its strongest claims are hdmi 2.1 ports, panel type.
Both ship with comparable screen size, refresh rate, vrr, so those specs don't separate the two — focus on the differences below.
Bottom line: the QM851 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 - QM851 Mini LED 65 wins
- ▲Peak brightness — 138.10% more. 5000 nits vs 2100 nits.
- ▲Has Dolby Vision.
- ▲Smart OS: Google TV (vs Tizen).
Why Samsung - S90F QD-OLED 65 wins
- ▲HDMI 2.1 ports — 2.00 more. 4 vs 2.
- ▲Panel type: QD-OLED (vs Mini-LED).
Spec comparison
Display
| Spec | TCL - QM851 Mini LED 65 | Samsung - S90F QD-OLED 65 |
|---|---|---|
| Screen sizeⓘ | 65 " | 65 " |
| Panel typeⓘ | Mini-LED | QD-OLEDlead |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 144 Hz | 144 Hz |
| Peak brightnessⓘ | 5000 nitslead | 2100 nits |
HDR & Smart
| Spec | TCL - QM851 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 - QM851 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, QM851 Mini LED 65 or S90F QD-OLED 65?+
QM851 Mini LED 65 peaks at 5000 nits vs 2100 nits.
Which is better for gaming, QM851 Mini LED 65 or S90F QD-OLED 65?+
S90F QD-OLED 65 offers 144Hz refresh and 4 HDMI 2.1 ports.
Does QM851 Mini LED 65 or S90F QD-OLED 65 support Dolby Vision?+
QM851 Mini LED 65 supports Dolby Vision; S90F QD-OLED 65 does not.
Spec-level deep dives
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