Source is this video:
Windows Was The Problem All Along - Dave2D
We could obviously compare performance between windows and steamOS before on the steam deck, or between windows and Bazzite on other handhelds. But this is the first time we have had official windows and SteamOS builds for the same hardware.
yes, it’s a desktop OS. it’s literally arch linux. i have a friend who slaps the steamos recovery image on every pc now and just uses it as their go-to daily driver.