Between the QM851 Mini LED 75 and U8N Mini-LED 65, the QM851 Mini LED 75 comes out ahead in peak brightness and screen size, while the U8N Mini-LED 65 wins on several specs. Overall, the QM851 Mini LED 75 scores 79.6 and the U8N Mini-LED 65 scores 72 on our Mars Score.
Which should you buy?
The QM851 Mini LED 75 edges ahead on the Mars Score (79.6 vs 72), but the 7.6-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the QM851 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.
The U8N Mini-LED 65 similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable panel type, refresh rate, dolby vision, so those specs don't separate the two — focus on the differences below.
Bottom line: the QM851 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 - QM851 Mini LED 75 wins
- ▲Peak brightness — 66.67% more. 5000 nits vs 3000 nits.
- ▲Screen size — 15.38% more. 75 " vs 65 ".
Why Hisense - U8N Mini-LED 65 wins
- No decisive advantages.
Spec comparison
Display
| Spec | TCL - QM851 Mini LED 75 | Hisense - U8N Mini-LED 65 |
|---|---|---|
| Screen sizeⓘ | 75 "lead | 65 " |
| Panel typeⓘ | Mini-LED | Mini-LED |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 144 Hz | 144 Hz |
| Peak brightnessⓘ | 5000 nitslead | 3000 nits |
HDR & Smart
| Spec | TCL - QM851 Mini LED 75 | Hisense - U8N Mini-LED 65 |
|---|---|---|
| Dolby Visionⓘ | true | true |
| HDR10+ⓘ | true | true |
| Smart OS | Google TV | Google TV |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | TCL - QM851 Mini LED 75 | Hisense - U8N Mini-LED 65 |
|---|---|---|
| HDMI 2.1 portsⓘ | 2 | 2 |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, QM851 Mini LED 75 or U8N Mini-LED 65?+
QM851 Mini LED 75 peaks at 5000 nits vs 3000 nits.
Which is better for gaming, QM851 Mini LED 75 or U8N Mini-LED 65?+
QM851 Mini LED 75 offers 144Hz refresh and 2 HDMI 2.1 ports.
Does QM851 Mini LED 75 or U8N Mini-LED 65 support Dolby Vision?+
Both support Dolby Vision.
Spec-level deep dives
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