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RDNA2 FSR4 Performance vs FSR3 Quality (www.youtube.com)
submitted 1 year ago by 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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[–] [S] 1 point 1 year ago (1 child)

It is (if we talk about FSR as upscaler tech). But it wont help in CPU bound scenarios where the GPU already has to wait for CPU.

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  • [–] 1 point 1 year ago*

    And in that case, frame generation will cause even more input lag I guess. I'm thinking frame generation is best for systems where the GPU is the bottle neck, I guess, input lag wise? Where it gets served frames ASAP, and can interpolate frames as soon as the latest, and second latest frames are available. Which it does anyway, but it has to wait less, then.

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