SteamOS Outperforms Windows 11 in Gaming Benchmarks

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Written by Zack Bryan

June 25, 2025

Valve’s Linux-based SteamOS is proving to be a serious contender in the gaming world, outperforming Windows 11 in several key tests, according to new performance benchmarks published by Ars Technica.

In a recent in-depth analysis, Ars Technica tested various games on identical hardware configurations running both Windows 11 and SteamOS, the latter being the operating system that powers Valve’s Steam Deck. The results showed that, in many cases, games ran noticeably faster and smoother on SteamOS, highlighting how far Linux gaming support has come.

Benchmark Results Favor SteamOS

The testing focused on popular, graphically demanding titles, including Cyberpunk 2077, Shadow of the Tomb Raider, and Red Dead Redemption 2. Across these games, SteamOS consistently delivered higher average frame rates and smoother performance under the same settings and hardware.

In Shadow of the Tomb Raider, for instance, SteamOS showed a performance uplift of up to 10% compared to Windows 11. Even in games that historically performed better on Windows due to DirectX optimization, SteamOS showed either comparable or superior results—thanks largely to the Vulkan graphics API and Proton, Valve’s compatibility layer for running Windows games on Linux.

Why SteamOS Is Gaining Ground

One key factor in SteamOS’s performance boost is its lightweight, gaming-focused design. Unlike Windows 11, which includes numerous background services and general-purpose features, SteamOS is streamlined to prioritize game execution. Valve has also heavily optimized the OS for the Steam Deck, and those enhancements are translating well to desktop PCs.

Another crucial element is Proton. Valve’s continuous development of Proton has made it easier for users to run a vast library of Windows-exclusive titles on Linux with minimal compromises. In fact, many users report that some games actually load faster and crash less frequently on SteamOS than on Windows.

Implications for the Future of PC Gaming

These findings could signal a significant shift in the PC gaming landscape. For decades, Windows has been the dominant platform for gaming due to its compatibility and developer support. However, with advancements in Linux gaming and growing support from both indie and AAA developers, SteamOS is positioning itself as a viable alternative.

Valve’s success with the Steam Deck has already boosted confidence in Linux gaming, and these benchmark results may encourage more PC gamers and hardware manufacturers to take a second look at SteamOS.

Conclusion

While Windows 11 still holds the lion’s share of the gaming market, Valve’s SteamOS is rapidly closing the gap in performance, stability, and compatibility. As Ars Technica’s tests demonstrate, the future of gaming might not belong to Windows alone—and Linux, once a niche gaming platform, is finally ready for prime time.

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