this post was submitted on 28 Sep 2025
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RDNA2 FSR4 Performance vs FSR3 Quality (www.youtube.com)
submitted 1 month ago by WereCat@lemmy.world to c/linux_gaming@lemmy.world
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I was trying out FSR4 on my RX 6800 XT, Fedora 42. Works really well and it easily beats FSR3 in visuals even on Performance. It does have a significant performance hit vs FSR3 though but it still works out to be a bit faster than a native rendering on Quality.

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[–] DarkAri@lemmy.blahaj.zone 1 points 1 month ago

If it drops the real frame rate more than FSR2, which it does, then yes, you will have more input lag.