Between the C855 Mini LED 65 and QM6K 65, the C855 Mini LED 65 comes out ahead in peak brightness, while the QM6K 65 wins on several specs. Overall, the C855 Mini LED 65 scores 74.5 and the QM6K 65 scores 66 on our Mars Score.
Which should you buy?
The C855 Mini LED 65 is the clear pick on raw spec strength, leading by 8.5 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 C855 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.
The QM6K 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 screen size, panel type, refresh rate, so those specs don't separate the two — focus on the differences below.
Bottom line: the C855 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 - C855 Mini LED 65 wins
- ▲Peak brightness — 94.44% more. 3500 nits vs 1800 nits.
Why TCL - QM6K 65 wins
- No decisive advantages.
Spec comparison
Display
| Spec | TCL - C855 Mini LED 65 | TCL - QM6K 65 |
|---|---|---|
| Screen sizeⓘ | 65 " | 65 " |
| Panel typeⓘ | Mini-LED | Mini-LED |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 144 Hz | 144 Hz |
| Peak brightnessⓘ | 3500 nitslead | 1800 nits |
HDR & Smart
| Spec | TCL - C855 Mini LED 65 | TCL - QM6K 65 |
|---|---|---|
| Dolby Visionⓘ | true | true |
| HDR10+ⓘ | true | true |
| Smart OS | Google TV | Google TV |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | TCL - C855 Mini LED 65 | TCL - QM6K 65 |
|---|---|---|
| HDMI 2.1 portsⓘ | 2 | 2 |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, C855 Mini LED 65 or QM6K 65?+
C855 Mini LED 65 peaks at 3500 nits vs 1800 nits.
Which is better for gaming, C855 Mini LED 65 or QM6K 65?+
C855 Mini LED 65 offers 144Hz refresh and 2 HDMI 2.1 ports.
Does C855 Mini LED 65 or QM6K 65 support Dolby Vision?+
Both support Dolby Vision.
Spec-level deep dives
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