LG - C5 OLED 77 vs Samsung - QN90F Neo QLED 65

These two are nearly even on the Mars Score (66.9 vs 69). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.

Pick the C5 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 screen size, dolby vision, panel type, among others.

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. Its strongest claims are peak brightness.

Both ship with comparable refresh rate, 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.