Ratchet and Clank Rift Apart on Steam Deck using a microSD card

Trying to run RC Rift Apart on the worst IO I could think of, it's a class 10 Samsung microSD. It's not bad apart from some select scenes, mainly the portal showcase, but the rest of the game until this point is more than playable, looks great on the deck's small screen too, hides the FSR artifacts really well. The settings are the default, medium 720p at 30FPS with dynamic FSR 2.1.