AMD Catalyst On Windows vs. Open-Source Radeon On Linux
Written by Michael Larabel in Display Drivers on 12 November 2015. Page 3 of 3. 29 Comments

Similar to Unigine Heaven, Unigine Valley was also much slower with the open-source Linux driver code than the AMD Windows 10 performance.

Xonotic was also much faster on Windows 10 with AMD's proprietary driver. It's a shame that the Catalyst Linux driver wasn't working on this system, but nevertheless there's some interesting performance metrics. The newest open-source driver code (Linux 4.3 + Mesa 11.1-devel + LLVM 3.8 SVN) remains slower than Catalyst but at least for many Linux gamers is fast enough to get sufficient frames per second while gaming. Likewise, it's too bad that the Fiji and Tonga GPUs are only now getting power management support on the open-source driver. Back in September were more RadeonSI vs. Catalyst Linux driver benchmarks.

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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter or contacted via

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