Linux 6.6 LTS To Linux 7.1 Bechmarks: Performance Up 13% On AMD Threadripper Over Three Years

Written by Michael Larabel in Software on 18 May 2026 at 10:30 AM EDT. Page 7 of 8. 9 Comments.

The Radeon AI PRO R9700 wasn't supported with Linux 6.6 LTS and thus the GPU tests are only of Linux 6.12 and newer.

👁 GravityMark benchmark with settings of Resolution: 1920 x 1080, Renderer: Vulkan. Linux 6.18 LTS was the fastest.

👁 GravityMark benchmark with settings of Resolution: 3840 x 2160, Renderer: Vulkan. Linux 6.18 LTS was the fastest.

There have been nice AMDGPU kernel graphics driver improvements benefiting RDNA4 / Radeon AI PRO R9700 since Linux 6.12 LTS.

👁 GravityMark benchmark with settings of Resolution: 1920 x 1080, Renderer: Vulkan Ray-Tracing. Linux 6.18 LTS was the fastest.

👁 GravityMark benchmark with settings of Resolution: 3840 x 2160, Renderer: Vulkan Ray-Tracing. Linux 6.18 LTS was the fastest.

If looking at the Mesa user-space progress over the past three years would be an even more significant difference, especially for the Vulkan ray-tracing workloads.

👁 GPUScore: Breaking Limit benchmark with settings of Resolution: 1920 x 1080, Ray-Tracing: On. Linux 6.18 LTS was the fastest.

👁 GPUScore: Breaking Limit benchmark with settings of Resolution: 3840 x 2160, Ray-Tracing: On. Linux 6.18 LTS was the fastest.

👁 GPUScore: Breaking Limit benchmark with settings of Resolution: 1920 x 1080, Ray-Tracing: Off. Linux 6.18 LTS was the fastest.

👁 GPUScore: Breaking Limit benchmark with settings of Resolution: 3840 x 2160, Ray-Tracing: Off. Linux 6.18 LTS was the fastest.

The open-source AMDGPU kernel driver continues evolving quite well upstream.

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URL: https://www.phoronix.com/review/linux-66-linux-71/7

⇱ Linux 6.6 LTS To Linux 7.1 Bechmarks: Performance Up 13% On AMD Threadripper Over Three Years - Phoronix

Linux 6.6 LTS To Linux 7.1 Bechmarks: Performance Up 13% On AMD Threadripper Over Three Years