Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - S95F QD-OLED 77 | TCL - QM6K 65 |
|---|---|---|
| Peak brightness | 3800 nits | 1800 nits |
| Screen size | 77 " | 65 " |
| Refresh rate | 165 Hz | 144 Hz |
| HDMI 2.1 ports | 4 | 2 |
| Dolby Vision | false | true |
| Panel type | QD-OLED | Mini-LED |
Between the S95F QD-OLED 77 and QM6K 65, the S95F QD-OLED 77 comes out ahead in peak brightness / screen size, while the QM6K 65 wins on dolby vision / smart os. Overall, the S95F QD-OLED 77 scores 84.8 and the QM6K 65 scores 68 on our Mars Score.
Which should you buy?
The S95F QD-OLED 77 is the clear pick on raw spec strength, leading by 16.8 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 S95F QD-OLED 77 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, refresh rate, among others. The single most decisive one: Peak brightness — 111.11% more. 3800 nits vs 1800 nits.
Pick the QM6K 65 if you care most about dolby vision / smart os. Its strongest claims are dolby vision, smart os. The single most decisive one: Has Dolby Vision.
Both ship with comparable vrr, so those specs do not separate the two — focus on the differences below.
Bottom line: the S95F QD-OLED 77 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: Samsung - S95F QD-OLED 77 or TCL - QM6K 65?
Samsung - S95F QD-OLED 77 leads the current Mars Score by 16.8 points.The more useful decision is the trade-off behind that result: compare screen size, panel type, refresh rate, hdmi 2.1 ports against the way you will actually use the product.
Choose Samsung - S95F QD-OLED 77 if…
Samsung - S95F QD-OLED 77 has the measurable edge on peak brightness nits, screen size in, refresh rate hz.
Choose TCL - QM6K 65 if…
TCL - QM6K 65 has the measurable edge on has dolby vision, smart os.
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 Samsung - S95F QD-OLED 77 wins
- ▲Peak brightness — 111.11% more. 3800 nits vs 1800 nits.
- ▲Screen size — 18.46% more. 77 " vs 65 ".
- ▲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).
Why TCL - QM6K 65 wins
- ▲Has Dolby Vision.
- ▲Smart OS: Google TV (vs Tizen).
Spec comparison
Display
| Spec | Samsung - S95F QD-OLED 77 | TCL - QM6K 65 |
|---|---|---|
| Screen size | 77 "lead | 65 " |
| Panel typeⓘ | QD-OLEDlead | Mini-LED |
| Resolutionⓘ | 4K | 4K |
| Refresh rateⓘ | 165 Hzlead | 144 Hz |
| Peak brightnessⓘ | 3800 nitslead | 1800 nits |
HDR & Smart
| Spec | Samsung - S95F QD-OLED 77 | TCL - QM6K 65 |
|---|---|---|
| Dolby Visionⓘ | false | truelead |
| HDR10+ⓘ | true | true |
| Smart OS | Tizen | Google TVlead |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | Samsung - S95F QD-OLED 77 | TCL - QM6K 65 |
|---|---|---|
| HDMI 2.1 portsⓘ | 4lead | 2 |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, S95F QD-OLED 77 or QM6K 65?+
S95F QD-OLED 77 peaks at 3800 nits vs 1800 nits.
Which is better for gaming, S95F QD-OLED 77 or QM6K 65?+
S95F QD-OLED 77 offers 165Hz refresh and 4 HDMI 2.1 ports.
Does S95F QD-OLED 77 or QM6K 65 support Dolby Vision?+
QM6K 65 supports Dolby Vision; S95F QD-OLED 77 does not.