Samsung - ViewFinity S9 (S90PC) vs Apple - Studio Display (Nano-texture)

The ViewFinity S9 (S90PC) edges ahead on the Mars Score (59.3 vs 56.1), but the 3.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.

Pick the ViewFinity S9 (S90PC) if you care most about response time (gtg). The biggest gaps in its favor are response time (gtg).

Pick the Studio Display (Nano-texture) if you care most about usb-c power delivery. Its strongest claims are usb-c power delivery.

Both ship with comparable refresh rate, peak brightness, dci-p3 coverage, 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.