AMD RadeonSI Graphics Driver Still Troublesome On Linux: Back in June I ran some RadeonSI Gallium3D benchmarks showing the performance had a ways to improve, but sadly the situation hasn't improved months. There's been progress on the RadeonSI Gallium3D driver and from the kernel side with Radeon DRM improvements and new features, but in testing out the latest code it's still a buggy experience and the performance isn't close to matching the closed-source AMD Catalyst Linux graphics driver for Radeon HD 7000 series hardware. At least though for some Linux games we're now in the range of 50% the OpenGL speed of Catalyst.
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