What are your specs? I'm interested in trying the DLSS mod but I have a notebook 2080 so not sure how much that will help.
There is a mod on NexusMods that gives you a lower quality 'low' preset that I found helped me get a more stable performance on my deck.
There is a modded Low ini available on Nexusmods that helps on Steamdeck. Hope that the performance gets better over time though.
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