A popular question that has arisen from the release of the four new low cost Kabini processors has been their effectiveness in powering a Steam Machine. Phoronix have just finished testing the new Athlon and Sempron chips, paired with several laptop IGPs using Catalyst Linux driver fglrx 13.35.5/OpenGL 4.3.12798 on Ubuntu 14.04. They tested Counter-Strike: Source, Half-Life 2: Lost Coast, and Portal at a variety of resolutions to see just how much performance these chips offer. None of the chips could offer acceptable performance at 1080p and only Portal was delivered at 60fps assuming you used 1024×768. They will be following this review with another that will pair discreet GPUs with Kabini which should increase gaming capabilities greatly.
"Earlier today the latest installment of our extensive Linux testing of AMD's new Athlon AM1 APUs were shared in the form of RadeonSI vs. Gallium3D benchmarks of the Radeon R3 Graphics found with these new entry-level APUs. Not included with that open-source vs. closed-source driver testing was any Source Engine / Steam Linux game testing due to an XCB DRI3 issue, but this article is devoted to looking at the Catalyst performance for the Sempron 2650, Sempron 3850, Athlon 5150, and Athlon 5350 to see whether any of these APUs can make the cut for a budget Steam Machine."
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