this post was submitted on 12 Nov 2025
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FSR4 only runs on RDNA 4. The Steam Machine has RDNA 3, so FSR3 is the limit
…Oh. I see, I misread the generation.
Yeah, that’s a huge caveat, one that would get me to reconsider the whole box, as FSR4 is way better than 3. I wonder if there’s a chance for AMD (or Valve) to backport it?
The linux community is already working on it
Cool. AFAIK FSR4 uses instructions RDNA3 doesn't even have, so I'd be interested to see if they can squeeze decent performance out of it.