Between the QM751 Mini LED 65 and QN900F 8K 65, the QM751 Mini LED 65 comes out ahead in dolby vision and smart os, while the QN900F 8K 65 wins on refresh rate and hdmi 2.1 ports. Overall, the QM751 Mini LED 65 scores 69.5 and the QN900F 8K 65 scores 74.2 on our Mars Score.
Which should you buy?
The QN900F 8K 65 edges ahead on the Mars Score (69.5 vs 74.2), but the 4.7-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 you care most about dolby vision and smart os. The biggest gaps in its favor are dolby vision, smart os.
Pick the QN900F 8K 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.
Both ship with comparable screen size, panel type, peak brightness, so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why TCL - QM751 Mini LED 65 wins
- ▲Has Dolby Vision.
- ▲Smart OS: Google TV (vs Tizen).
Why Samsung - QN900F 8K 65 wins
- ▲Refresh rate — 37.50% more. 165 Hz vs 120 Hz.
- ▲HDMI 2.1 ports — 2.00 more. 4 vs 2.
Spec comparison
Display
| Spec | TCL - QM751 Mini LED 65 | Samsung - QN900F 8K 65 |
|---|---|---|
| Screen sizeⓘ | 65 " | 65 " |
| Panel typeⓘ | Mini-LED | Mini-LED |
| Resolutionⓘ | 4K | 8Klead |
| Refresh rateⓘ | 120 Hz | 165 Hzlead |
| Peak brightnessⓘ | 3000 nits | 3000 nits |
HDR & Smart
| Spec | TCL - QM751 Mini LED 65 | Samsung - QN900F 8K 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 - QN900F 8K 65 |
|---|---|---|
| HDMI 2.1 portsⓘ | 2 | 4lead |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, QM751 Mini LED 65 or QN900F 8K 65?+
QN900F 8K 65 peaks at 3000 nits vs 3000 nits.
Which is better for gaming, QM751 Mini LED 65 or QN900F 8K 65?+
QN900F 8K 65 offers 165Hz refresh and 4 HDMI 2.1 ports.
Does QM751 Mini LED 65 or QN900F 8K 65 support Dolby Vision?+
QM751 Mini LED 65 supports Dolby Vision; QN900F 8K 65 does not.
Spec-level deep dives
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