Radeon DRM Linux 4.4 + Mesa 11.1 + DRI3 vs. AMD's Proprietary Driver
Written by Michael Larabel in Display Drivers on 29 November 2015. Page 3 of 3. 42 Comments

With Xonotic the Catalyst driver maintained a greater lead over the newest open-source code, more so than what was seen with OpenArena or Tesseract.

The R7 370 on Catalyst was acting up over here as well.

For the synthetic OpenGL tests, the demanding Furmark benchmark saw similar performance of the R9 290 between the open and closed driver while the HD 6870 was still measurably faster with Catalyst. Under the Triangle test largely limited by video memory bandwidth, Catalyst was multiple times faster.

Well, overall, these results show quite positive results for the open-source driver code as found in Linux 4.4 and Mesa 11.1 and LLVM 3.8, plus manually setting up the Direct Rendering Infrastructure 3 support. However, in some tests there still clearly is more optimization work that's needed for the open-source AMD Linux driver to be competitive with Catalyst, or now called the Radeon Software driver package.

If you missed the earlier results, see my AMDGPU comparison and Nouveau vs. NVIDIA numbers from the Linux 4.4 kernel. If you enjoy all of the Linux hardware tests that happen daily on Phoronix, consider taking advantage of our 2015 holiday offer that allow for more tests like this to happen.

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Michael Larabel is the principal author of Phoronix.com 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 OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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