This 10-day old article reports the performances of the Intel HD 3000 Graphics (integrated in the Intel Core i5 2500K). It benchmarks 3D Games on the Ubuntu 10.10 system (on which Trisquel Slaine is based) but with the latest kernel, Xorg, Intel driver and Mesa...

... and the results are very nice and the conclusion is quite depressing for the state of Free 3D drivers on GNU/Linux: "This phenomenon though is not limited to just the new Sandy Bridge / Core i5 2500K hardware, but previous generations of Intel hardware and all of the Mesa / Gallium3D drivers. (..) Like the Intel Mesa driver, the performance of the open-source AMD/ATI and NVIDIA (via the Nouveau project) Mesa/Gallium3D drivers are no match to the proprietary drivers. With AMD and NVIDIA, the customer at least has a choice of whether they want to use an open-source but feature-lacking driver or a high-performance proprietary driver that is of similar quality across supported platforms. At the end of the day, the Intel Sandy Bridge "HD 3000 graphics" as found on the Core i5 2500K is a huge step forward in terms of performance compared to earlier generations of Intel integrated graphics. As said last week, its fast and comparable to other Mesa / Gallium3D drivers with discrete hardware. (...) Over time, we will ideally see Intel's Mesa performance close in on the Windows driver performance, but do not expect to see this in the near-term."

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