Games run faster on SteamOS than Windows 11, Ars testing finds

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Published on June 27, 2025 6:28:35 PM ● Video Link: https://www.youtube.com/watch?v=hd_B5hSeFXw

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Games run faster on SteamOS than Windows 11, Ars testing finds

Nearly a decade ago, Ars testing found that Valve's "Steam Machines"-era version of SteamOS performed significantly worse than Windows when SteamOS's Linux game ports were tested on the same hardware as their Windows counterparts. Today, though, Ars testing on the Lenovo Legion Go S finds recent games generally run at higher frame rates on SteamOS 3.7 than on Windows 11. The performance advantage is yet another way that Valve's upstart OS is differentiating itself from the "default" Windows installation used by most PC gamers for decades now.

While users have been able to install Windows on the Steam Deck since its 2022 launch, Valve doesn't offer official "Windows on Deck" support for this alternative hardware use case. Lenovo's Legion Go S, on the other hand, is the first gaming portable explicitly designed to work with either Windows 11 (in hardware first released in January) or SteamOS (in hardware first released in May, alongside a new version of SteamOS designed for non-Valve AMD hardware).