Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | TCL - QM851 Mini LED 65 | Samsung - S95F QD-OLED 65 |
|---|---|---|
| Peak brightness | 5000 nits | 3800 nits |
| Refresh rate | 144 Hz | 165 Hz |
| HDMI 2.1 ports | 2 | 4 |
| Dolby Vision | true | false |
| Smart OS | Google TV | Tizen |
| Panel type | Mini-LED | QD-OLED |
Between the QM851 Mini LED 65 and S95F QD-OLED 65, the QM851 Mini LED 65 comes out ahead in peak brightness / dolby vision, while the S95F QD-OLED 65 wins on refresh rate / hdmi 2.1 ports. Overall, the QM851 Mini LED 65 scores 76.2 and the S95F QD-OLED 65 scores 82.4 on our Mars Score.
Which should you buy?
The S95F QD-OLED 65 edges ahead on the Mars Score (76.2 vs 82.4), but the 6.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
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. The single most decisive one: Peak brightness — 31.58% more. 5000 nits vs 3800 nits.
Pick the S95F QD-OLED 65 if you care most about refresh rate / hdmi 2.1 ports. Its strongest claims are refresh rate, hdmi 2.1 ports, panel type. The single most decisive one: Refresh rate — 14.58% more. 165 Hz vs 144 Hz.
Both ship with comparable screen size, vrr, so those specs do not separate the two — focus on the differences below.
Bottom line: the S95F QD-OLED 65 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: TCL - QM851 Mini LED 65 or Samsung - S95F QD-OLED 65?
Samsung - S95F QD-OLED 65 leads the current Mars Score by 6.2 points.The more useful decision is the trade-off behind that result: compare panel type, refresh rate, hdmi 2.1 ports against the way you will actually use the product.
Choose TCL - QM851 Mini LED 65 if…
TCL - QM851 Mini LED 65 has the measurable edge on peak brightness nits, has dolby vision, smart os.
Choose Samsung - S95F QD-OLED 65 if…
Samsung - S95F QD-OLED 65 has the measurable edge on refresh rate hz, hdmi 2 1 count, panel type.
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 65 wins
- ▲Peak brightness — 31.58% more. 5000 nits vs 3800 nits.
- ▲Has Dolby Vision.
- ▲Smart OS: Google TV (vs Tizen).
Why Samsung - S95F QD-OLED 65 wins
- ▲Refresh rate — 14.58% more. 165 Hz vs 144 Hz.
- ▲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 - S95F QD-OLED 65 |
|---|---|---|
| Screen size | 65 " | 65 " |
| Panel typeⓘ | Mini-LED | QD-OLEDlead |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 144 Hz | 165 Hzlead |
| Peak brightnessⓘ | 5000 nitslead | 3800 nits |
HDR & Smart
| Spec | TCL - QM851 Mini LED 65 | Samsung - S95F 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 - S95F 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 S95F QD-OLED 65?+
QM851 Mini LED 65 peaks at 5000 nits vs 3800 nits.
Which is better for gaming, QM851 Mini LED 65 or S95F QD-OLED 65?+
S95F QD-OLED 65 offers 165Hz refresh and 4 HDMI 2.1 ports.
Does QM851 Mini LED 65 or S95F QD-OLED 65 support Dolby Vision?+
QM851 Mini LED 65 supports Dolby Vision; S95F QD-OLED 65 does not.