Radeon Gallium3D Performance Gets Close To Catalyst On Ubuntu 14.04
Written by Michael Larabel in Display Drivers on 4 March 2014. Page 5 of 5. 49 Comments

With the Plot3D synthetic test within GpuTest, the RadeonSI Gallium3D performance was just over 50% the speed of Catalyst.

When running Furmark the open-source graphics performance was close to Catalyst.

In the GpuTest Triangle case that's mostly pushing the vRAM bandwidth, the RadeonSI performance was very low compared to Catalyst.

While there's still issues to work out in supporting more OpenGL 4 extensions, a few bugs to work out in the RadeonSI Gallium3D driver stack, and more optimizations to squeeze, along with other unrelated work like improving the OpenCL capabilities of the open-source driver, overall the Radeon Gallium3D driver stack shipped in Ubuntu 14.04 LTS is in great shape. The R600 Gallium3D driver with HD 5000/6000 series graphics cards is still the current sweet spot for the best open-source AMD driver support, but RadeonSI has improved a lot recently for providing a decent open-source experience on AMD's GCN (HD 7000 series and newer) GPUs.

Stay tuned for more benchmarks in the coming days. Have other Linux benchmark requests? Let me know! If you appreciate all of the content, join Phoronix Premium today.

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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 TwitterLinkedIn,> or contacted via MichaelLarabel.com.

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