Overall, the bottom one looks more natural on my brand new 16" MacBook Pro with a Liquid Retina XDR Display set to the default profile for the display. But it has a fair amount of noise, which makes the skin tones hard to compare, and it has a pinkish cast, as others have noted. The shadows, makeup, and eyebrows are too dark on the top one but perhaps not dark enough on the bottom one. 

When I switched from a 2019 MacBook Pro to my current one, I noticed that all the renders I had "in progress" and not yet shared seemed to be not bright enough, so I've been adding curves adjustments in Photoshop to brighten them before posting them. But of course I have no way of knowing how they look to other people! I use the sRGB color space in Photoshop since all my work is designed to be uploaded to the web, but even then, what looks right in Photoshop doesn't always look right on the web.

The biggest difference I've noticed when viewing other people's renders on my new MBP is that smaller renders look even more low-res, but that's more of a lack of sharpness than a brightness or color thing.

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TOOLS: MacBook Pro; Poser Pro 11; Cheetah3D; Photoshop CC

FIGURES: S-16 (improved V4 by Karina), M4, K4, Mavka, Toons, and Nursoda's people

GOALS: Stylized and non-photorealistic renders in various fantasy styles