With the new driver from AMD and a long list of cards to test, from an R9290 all the way back to an HD4650, Phoronix has put together a rather definitive list of the current performance you can expect from CS:GO and TF2.  CS:GO was tested at 2560×1600 and showed many performance changes from the previous driver, including some great news for 290 owners.  TF2 was tested at the same resolution and many of the GPUs were capable of providing 60FPS or higher, again with the 290 taking the lead.  Phoronix also did testing on the efficiency of these cards, detailing the number of frames per second, per watt used, this may not be pertinent to many users but does offer an interesting look at the efficiency of the GPUs.  If you are gaming on a Radeon on Linux now is a good time to upgrade your drivers and associated programs.

"The latest massive set of Linux test data we have to share with Linux gamers and enthusiasts is a look at Counter-Strike: Global Offensive and Team Fortress 2 when using the very newest open-source Radeon graphics driver code. The very latest open-source Radeon driver code tested with these popular Valve Linux games were the Linux 3.18 Git kernel, Mesa 10.4-devel, LLVM 3.6 SVN, and xf86-video-ati 7.5.99."

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