Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - QN90F Neo QLED 65 | TCL - QM6K 65 |
|---|---|---|
| Peak brightness | 2400 nits | 1800 nits |
| HDMI 2.1 ports | 4 | 2 |
| Dolby Vision | false | true |
| Smart OS | Tizen | Google TV |
Between the QN90F Neo QLED 65 and QM6K 65, the QN90F Neo QLED 65 comes out ahead in peak brightness / hdmi 2.1 ports, while the QM6K 65 wins on dolby vision / smart os. Overall, the QN90F Neo QLED 65 scores 70.3 and the QM6K 65 scores 68 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (70.3 vs 68). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
Pick the QN90F Neo QLED 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, hdmi 2.1 ports. The single most decisive one: Peak brightness — 33.33% more. 2400 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 screen size, panel type, refresh rate, 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: Samsung - QN90F Neo QLED 65 or TCL - QM6K 65?
Samsung - QN90F Neo QLED 65 leads the current Mars Score by 2.3 points.The more useful decision is the trade-off behind that result: compare hdmi 2.1 ports against the way you will actually use the product.
Choose Samsung - QN90F Neo QLED 65 if…
Samsung - QN90F Neo QLED 65 has the measurable edge on peak brightness nits, hdmi 2 1 count.
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 - QN90F Neo QLED 65 wins
- ▲Peak brightness — 33.33% more. 2400 nits vs 1800 nits.
- ▲HDMI 2.1 ports — 2.00 more. 4 vs 2.
Why TCL - QM6K 65 wins
- ▲Has Dolby Vision.
- ▲Smart OS: Google TV (vs Tizen).
Spec comparison
Display
| Spec | Samsung - QN90F Neo QLED 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ⓘ | 2400 nitslead | 1800 nits |
HDR & Smart
| Spec | Samsung - QN90F Neo QLED 65 | TCL - QM6K 65 |
|---|---|---|
| Dolby Visionⓘ | false | truelead |
| HDR10+ⓘ | true | true |
| Smart OS | Tizen | Google TVlead |
| Dolby Atmosⓘ | true | true |
Gaming
| Spec | Samsung - QN90F Neo QLED 65 | TCL - QM6K 65 |
|---|---|---|
| HDMI 2.1 portsⓘ | 4lead | 2 |
| VRRⓘ | true | true |
| ALLM | true | true |
Frequently asked
Which is brighter, QN90F Neo QLED 65 or QM6K 65?+
QN90F Neo QLED 65 peaks at 2400 nits vs 1800 nits.
Which is better for gaming, QN90F Neo QLED 65 or QM6K 65?+
QN90F Neo QLED 65 offers 144Hz refresh and 4 HDMI 2.1 ports.
Does QN90F Neo QLED 65 or QM6K 65 support Dolby Vision?+
QM6K 65 supports Dolby Vision; QN90F Neo QLED 65 does not.