15-Way Open-Source Intel/AMD/NVIDIA GPU Comparison
Written by Michael Larabel in Graphics Cards on 1 July 2013. Page 4 of 4. 33 Comments

As I've said before and as these results shows, for Linux users interested in open-source graphics drivers, at the moment the best support is generally found with the Radeon HD 5000 and Radeon HD 6000 series graphics cards. If not after performance as your main shopping criteria, the Intel HD Graphics are great for Intel's continued open-source support and their driver is in top-shape, low power consumption, and VA-API video encoding/decoding support.

Tested on Fedora 19, the Intel HD Graphics 4600 "Haswell" performance from the i7 4770K processor was generally comparable to that of the AMD Radeon HD 4670 graphics card on the open-source driver. The HD Graphics 4600 were also generally faster than Nouveau on the open-source driver, which is a temporary advantage until the modern NVIDIA GeForce GPUs can be re-clocked to run at their rated frequencies.

When it comes to the open-source Radeon performance, the best feature and performance support is generally with the Radeon HD 5000 and HD 6000 series. The new Radeon HD 7000 "RadeonSI" series is still catching up in terms of OpenGL compliance, features, and performance to the R600 Gallium3D driver that spans from the HD 2000 through HD 6000 generations. The HD 5000/6000 generations on the open-source AMD Linux driver have also become more useful in recent times now that there's UVD video decoding support and dynamic power management support within the Linux 3.11 kernel.

Up next will be this 15-way comparison when the binary NVIDIA and AMD Linux graphics driver results are added in. Radeon dynamic power management benchmarks are also forthcoming, among many other interesting articles in July on Phoronix.

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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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