Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | TCL - QM851 Mini LED 75 | Hisense - U9Q Mini LED 65 |
|---|---|---|
| Screen size | 75 " | 65 " |
| Refresh rate | 144 Hz | 165 Hz |
Between the QM851 Mini LED 75 and U9Q Mini LED 65, the QM851 Mini LED 75 comes out ahead in screen size, while the U9Q Mini LED 65 wins on refresh rate. Overall, the QM851 Mini LED 75 scores 78.2 and the U9Q Mini LED 65 scores 77.7 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (78.2 vs 77.7). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
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 screen size. The single most decisive one: Screen size — 15.38% more. 75 " vs 65 ".
Pick the U9Q Mini LED 65 if you care most about refresh rate. Its strongest claims are refresh rate. The single most decisive one: Refresh rate — 14.58% more. 165 Hz vs 144 Hz.
Both ship with comparable panel type, peak brightness, dolby vision, so those specs do not 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 says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: TCL - QM851 Mini LED 75 or Hisense - U9Q Mini LED 65?
TCL - QM851 Mini LED 75 leads the current Mars Score by 0.5 points.The more useful decision is the trade-off behind that result: compare screen size, refresh rate against the way you will actually use the product.
Choose TCL - QM851 Mini LED 75 if…
TCL - QM851 Mini LED 75 has the measurable edge on screen size in.
Choose Hisense - U9Q Mini LED 65 if…
Hisense - U9Q Mini LED 65 has the measurable edge on refresh rate hz.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why TCL - QM851 Mini LED 75 wins
- ▲Screen size — 15.38% more. 75 " vs 65 ".
Why Hisense - U9Q Mini LED 65 wins
- ▲Refresh rate — 14.58% more. 165 Hz vs 144 Hz.
Spec comparison
Display
| Spec | TCL - QM851 Mini LED 75 | Hisense - U9Q Mini LED 65 |
|---|---|---|
| Screen size | 75 "lead | 65 " |
| Panel typeⓘ | Mini-LED | Mini-LED |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 144 Hz | 165 Hzlead |
| Peak brightnessⓘ | 5000 nits | 5000 nits |
HDR & Smart
| Spec | TCL - QM851 Mini LED 75 | Hisense - U9Q 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 - U9Q 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 U9Q Mini LED 65?+
U9Q Mini LED 65 peaks at 5000 nits vs 5000 nits.
Which is better for gaming, QM851 Mini LED 75 or U9Q Mini LED 65?+
U9Q Mini LED 65 offers 165Hz refresh and 2 HDMI 2.1 ports.
Does QM851 Mini LED 75 or U9Q Mini LED 65 support Dolby Vision?+
Both support Dolby Vision.