this post was submitted on 25 Jun 2025
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Games run faster on SteamOS than Windows 11, Ars testing finds (arstechnica.com)
submitted 1 day ago by misk@sopuli.xyz to c/games@sh.itjust.works
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[–] Fubarberry@sopuli.xyz 12 points 1 day ago (1 children)

The compatibility layer is overhead, but the key difference for many games is that DXVK swaps directX for Vulkan, and Vulkan often gets better performance.

The performance gains of using steamOS are twofold, there's less OS load (this is particularly noticeable in low performance games, windows will consume much more battery on a game like Dead Cells than SteamOS will), and there's also a vulkan performance increase for some games. My understanding is if you see a big performance increase in a demanding game, that's usually thanks to vulkan.

[–] leftytighty@slrpnk.net 12 points 1 day ago (1 children)

Vulkan isn't magic, its power comes from the flexibility it gives developers in its API. If developers are using DirectX, especially older versions, then they're not utilizing that flexibility.

If DirectX code performs better through a Vulkan translation layer than on Windows, it means the driver implementations or OS bloat are what's causing it.

With your theory, you could run a DirectX to Vulkan translation layer on Windows and also get increased performance. Which may be true, but once again points the finger at bad drivers.

[–] Fubarberry@sopuli.xyz 8 points 1 day ago

With your theory, you could run a DirectX to Vulkan translation layer on Windows and also get increased performance. Which may be true, but once again points the finger at bad drivers.

Yes, from what I've been told that actually does improve performance in many games.