this post was submitted on 18 Nov 2025
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I'm sure it does, considering even my old busted laptop has hit the Steam hardware survey before, but it's not one of my primary gaming PCs.
Another way of saying this is Steam Machine is slower than about 44 million gaming PCs (30% x 147 MAU, a very conservative number since that's monthly and number of users instead of number of computers).
The fact that its GPU is slower than the 5 year old PS5's, and it only has 8GB VRAM, makes me question Steam Machine's longevity. And it apparently can't do FSR4 cause it's RDNA3.
It needs to be cheap.
Source on RDNA3 on Linux not doing FSR4? Linux drivers are far ahead of Windows drivers.
https://gpuopen.com/fidelityfx-super-resolution-4/
It's possible they add compatibility at a later time (with reduced performance and/or quality due to lack of hardware acceleration), but they haven't announced anything like that currently
It's not a hard requirement. Gamers have used the SDK to get FSR4 working on Steam Deck. Here's a video of it in action.
https://www.youtube.com/watch?v=95N6-2U5YQo
TL;DW -- It's good to have as an option but not necessarily better than FSR3 on Deck due to tradeoffs. Depends on the game.
Yeah you can hack it in but that's not official, which results in what you see: performance is not so great. That video only shows a small performance loss because FSR4 is only outputting to 720p, but making FSR4 output to 4k (like a normal TV) is a much bigger demand. But maybe some specific optimizations can be made.