The most notable difference between the Xbox Ally and the Steam Deck is the operating system. Like the ROG Ally, the Xbox Ally will also use Windows 11, while the Steam Deck uses Valve's SteamOS.

Xbox gamers will have a new option for taking their library on the go this fall. During Gamescom 2025, ASUS revealed that the Xbox Ally handheld consoles will be on store shelves on October 16. We heard a thorough explanation of the specs and availability for the ROG Xbox Ally and ROG Xbox Ally X this summer,

Because it sure does borrow a lot from the Deck, especially when it comes to how it categorizes different levels of compatibility, though I would argue Xbox's approach is marginal