Unless drivers are available not really. This is all specialized APU stuff. Valve chose AMD on purpose and had a deal with them to improve drivers AMD was already open sourcing and developing for Linux community. If they chose some Windows only hardware you won’t have much luck with Steam Deck. It might work but then performance will suffer.
As long as it’s not Windows on ARM, it can always get SteamOS installed later.
Unless drivers are available not really. This is all specialized APU stuff. Valve chose AMD on purpose and had a deal with them to improve drivers AMD was already open sourcing and developing for Linux community. If they chose some Windows only hardware you won’t have much luck with Steam Deck. It might work but then performance will suffer.