TCL - QM7K Mini-LED 75 vs Samsung - QN900F 8K 65

The QM7K Mini-LED 75 edges ahead on the Mars Score (77.3 vs 74.2), but the 3.1-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the QM7K 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 peak brightness, screen size, dolby vision, among others.

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.

Both ship with comparable panel type, hdmi 2.1 ports, vrr, 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.