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AMD APUs, like the one that Steam Deck has, might get FSR 4 support next year thanks to the tech expanding beyond discreet top-of-the-line GPUs (www.techspot.com)
submitted 1 month ago by to c/steamdeck@sopuli.xyz
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While the support itself doesn't necessarily mean OS-level toggle like the Steam Deck has right (which I believe is still at FSR 1), it still could be a nice touch for the titles that choose to implement FSR 4. This is just my uneducated guesswork, please see this comment for proper expectations:

https://lemmy.ml/comment/28222346

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[–] 8 points 1 month ago* (last edited 1 month ago) (5 children)

You can already use FSR4 on Steam Deck btw, no need to wait if you want to try it out!

https://steamdeckhq.com/news/we-can-now-use-fsr-4-on-the-steam-deck-for-better-visuals-with-a-power-tradeoff/

I already use it in combination with an portable monitor, scaling the output to 1080p - that's my balcony setup ;-)

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  • [–] 3 points 1 month ago (2 children)

    Proton-CachyOS also can upgrade FSR3 games to FSR4 on RX 6000 and 7000 series of GPUs, and it works outside of the Steam Deck platform.

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  • [–] 1 point 1 month ago (1 child)

    Optiscaler (with Windows games) also works if you need further tweaks or run into compatibility issues with the Proton level support.

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  • [–] 2 points 1 month ago (1 child)

    It's possible this official release will have increased performance/quality, but even now it's often better than the alternatives, on balance.

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  • [–] [S] 1 point 1 month ago

    That's what I hope for.

    Below is my experience with FSR on Steam Deck LCD.

    Most games that support FSR 3 already look good enough to me without the upscaling, more so in the non-demanding singleplayer setting where I might need it the most.

    FSR 2 is just a smearfest at the level that provides any meaningful performance or battery life increase.

    I often find myself going for FSR 1, either in-game or through SteamOS "Sharpen" scaling filter, which gives me a better quality image for what feels like identical performance and battery life to FSR 2.

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