AMDGPU With PowerPlay Compared To AMD's Catalyst Linux Driver
Written by Michael Larabel in Display Drivers on 27 November 2015. Page 3 of 3. 33 Comments

The Xonotic first person shooter results were great for the R9 285 and should be good for the R9 Fury once testing the newer Mesa Git code for Fiji.

The graphics cards supported by the AMDGPU DRM driver will be much better off for the Linux 4.5 kernel once the PowerPlay support is merged. This will be a big milestone but as the results show (primarily for the R9 285 as the R9 Fury was affected by poor Mesa performance up until more recently), but the results do indicate there's still much work ahead overall. Besides the generally slower OpenGL performance, the RadeonSI Gallium3D driver used by both the Radeon and AMDGPU DRM drivers is still catching up to Catalyst with OpenGL 4.2 through 4.5 support. There's also the matter of OpenCL and other functionality, but nevertheless the open-source AMD team has made splendid progress in 2015.

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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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