the fact that he’s still alive blows

I’m sorry what

(I assume typo)

You’d need to account for size differences too.

Like Steam vs GOG would have steam winning hands down

Without more detail we can only assume, but I would imagine it working the same way that DLSS is (presumed?) to work.

Most of the upscaling is done by their TAA algorithm that’s a part of FSR3.1, then the image will be cleaned up with their “AI” component for more image stability.