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Experimental project beats Intel in bringing 'real Intel XeSS super resolution' to SteamOS and Proton games on Linux

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Experimental project beats Intel in bringing 'real Intel XeSS super resolution' to SteamOS and Proton games on Linux

Intel has already committed to bringing its XMX-powered upscaling and frame generation tech to Linux via Valve's Proton compatibility layer, but one enterprising developer is clearly not willing to wait for the chip behemoth to get it working and has released an experimental version on Github (via Phoronix).

This new release promises "real Intel XeSS super resolution and XeSS Frame Generation inside Proton games, running on the GPU's XMX (matrix) units instead of the DP4a fallback that stock Wine/Proton gets." It was built on a OneXPlayer 3 handheld running the same Intel G3 Extreme chip that ships in the latest MSI Claw and the new Acer Predator Atlas 8, but has also been tested on a discrete Arc B580 GPU, too.

And it's already delivering a 29% performance boost in Cyberpunk just from the switch to XMX processing of upscaling, and when you throw in XeSS Frame Generation you're looking at a 145% performance boost. That is just one game, however, and the only other benchmark they note is for Forza Horizon 6 where the performance boosts are not quite so great, with a 16% bump from the XMX implementation. Though again you are looking at a healthy frame rate increase from 3x frame generation.

The installation seems surprisingly straightforward; you just unpack the release archive somewhere safe and run the install command. Then every game will run with the patched drivers without the need for any special launch options.

The one note is that you must be running the native Steam client to support the XMX switch in Proton, with the Flatpak Steam client not being currently supported.


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