20-Way Intel/AMD/NVIDIA GPU Comparison With Ubuntu 14.04 LTS
Written by Michael Larabel in Display Drivers on 7 April 2014. Page 6 of 6. 15 Comments

These results hardly come as a surprise to us given that the Nouveau DRM driver doesn't yet have user-ready re-clocking support so the NVIDIA GeForce GPUs can actually operate at their rated speeds... Thus all the NVIDIA GPUs on the open-source driver are severely handicapped for the time being. Aside from that, the other results are mostly in order sans the Radeon R7 260X open-source issues.

The Intel Haswell HD Graphics 4600 on the Core i7 4770K were running at about twice the speed of the Radeon HD 6450 GPU when using the open-source drivers.

Overall the AMD Radeon graphics cards on the open-source drivers were doing great. During the past six months, the RadeonSI open-source driver for supporting the Radeon HD 7000 series and newer GCN GPUs has matured a heck of a lot. The RadeonSI open-source support is nearly as in good standing as the mature R600g driver for Radeon HD 2000 through HD 6000 series graphics processor support.

If you want better open-source graphics performance you can always try upgrading the kernel and Mesa compared to the stable versions shipped in the upcoming Ubuntu 14.04 LTS release. Have other open-source Linux GPU driver questions? Let us know in the forums.

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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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