LG - C4 OLED 65 vs Samsung - S90F QD-OLED 65

These two are nearly even on the Mars Score (61.9 vs 64.5). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.

Pick the C4 OLED 65 if you care most about dolby vision and smart os. The biggest gaps in its favor are dolby vision, smart os.

Pick the S90F QD-OLED 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, panel type.

Both ship with comparable screen size, refresh rate, hdmi 2.1 ports, 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.