Proton Slows Down RTX 4090, 4080 by 10% in Linux Compared to Windows 11 Gaming Benchmarks

Phoronix recently published an article covering the performance differences between Windows 11 and Linux Ubuntu with Nvidia's top-end graphics cards, the GeForce RTX 4090 and RTX 4080. For gaming, both GPUs were found to be 10% slower on Linux than Windows 11 when playing non-native Linux gaming applications. Native applications saw both operating systems perform very similarly.

For testing, Phoronix used a test bench consisting of the new Ryzen 7 7800X3D. The benchmarked games and applications included Cyberpunk 2077, Hitman 3, Unigine Heaven 4, and Unigine Superposition. Cyberpunk and Hitman were run on Steam's Proton compatibility layer, while Unigine applications had dedicated native applications for Linux.

Within Cyberpunk 2077, at the 1440P Ultra setting, the RTX 4090 was 13% slower on Linux than on Windows 11 Pro. The RTX 4080 performed similarly and was 15% slower on Ubuntu Linux than on Windows 11.

With high 1440P settings, the gap starts to close for the RTX 4090, where the Linux operating system was only 5% slower than Windows 11 Pro. Strangely, when tested with medium graphics settings, the RTX 4090 fram rates did not come close to high settings, for unknown reasons.

The RTX 4080 at high 1440P did not show the same behavior as the RTX 4090. It again showed a 15% performance gap, just as with the Ultra setting. For more details on the 4K results, be sure to check out Phoronix's article. But overall, the 4K results share similar behavior to the 1440P results.

Phoronix Hitman 3 Linux frente a Windows 11 RTX 4080 y RTX 4090

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