AMD Kaveri: Catalyst vs. RadeonSI Gallium3D On Linux
Written by Michael Larabel in Display Drivers on 12 August 2014. Page 5 of 5. 38 Comments

The synthetic GpuTest results also indicate there's still a ways to go in the Radeon R7 Graphics performance with the open-source driver compared to Catalyst, but significant progress is being made with their Radeon DRM kernel driver, the RadeonSI Gallium3D driver, and the AMD GPU LLVM back-end.

Some GpuTest scenarios also don't work yet on RadeonSI Gallium3D due to missing GL/GLSL support from Mesa, which is still being worked on. We should see OpenGL 4.0~4.2 support this year for AMD Gallium3D, but it will still take much longer for OpenGL 4.3~4.5 compliance. OpenCL also remains a work-in-progress.

Stay tuned for more Linux graphics benchmarks on Phoronix. If you appreciate all of this testing done exclusively at Phoronix, consider subscribing to Phoronix Premium or perhaps a PayPal tip to enjoy a nice summer beverage while benchmarking.

If you wish to see how your own Linux system's OpenGL graphics performance compares, simply install the Phoronix Test Suite and then run phoronix-test-suite benchmark 1408110-KH-AMDKAVERI19 from the command-line.

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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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