Recent testing of the Intel Arc B580 Battlemage desktop graphics card has shown that the upcoming [1]Linux 7.1 kernel release is delivering superior graphics performance over the current stable Linux 7.0 kernel.

[2]

While Linux 7.1 isn't exciting at all for AMD RDNA4 performance (https://www.phoronix.com/news/Linux-7.1-Mesa-26.1-RX-9070-GRE), an unexpected surprise in my recent benchmarking was finding that the Intel Arc B580 is enjoying some nice and fairly widespread performance improvements atop the Linux 7.1 kernel.

Tests comparing different Intel open-source graphics driver stack configurations with the Intel Arc B580 are showing some healthy performance gains by simply upgrading to Linux 7.1. For this round of testing the configurations benchmarked were:

Ubuntu 26.04 Stock - Linux 7.0 + Mesa 26.0: The stock Ubuntu 26.04 LTS setup as shipped out-of-the-box since its April release.

Linux 7.0 + Mesa 26.1: Sticking to the default kernel of Ubuntu 26.04 LTS but upgrading to the newer Mesa 26.1 stable series.

Linux 7.1 Git + Mesa 26.1: Keeping Mesa 26.1 but moving from Linux 7.0 to the Linux 7.1 Git state as of 7.1-rc6.

No other software/hardware changes were made to the testing besides the noted Linux kernel and Mesa upgrades for this Intel Core Ultra 7 270K Plus Arrow Lake desktop with Intel Arc B580 graphics.



[1] https://www.phoronix.com/search/Linux+7.1

[2] https://www.phoronix.com/image-viewer.php?id=intel-b580-linux-71&image=linux_71_intel_lrg