Benchmarks of the AMD Radeon HD 5750, Radeon HD 5830, Radeon HD 6450, Radeon HD 6770, and Radeon HD 6870 graphics cards using the open-source Linux graphics driver. Using Mesa 8.1-devel, xf86-video-ati, libdrm Git as of 6 June 2012. Comparing the performance of the Linux 3.2, Linux 3.4, and Linux 3.5 development (Git as of 6 June) kernels to look at the Evergreen/Northern-Islands performance improvements in the Linux 3.5 Radeon DRM. Benchmarking by Michael Larabel for a future article on Phoronix.com. Swap buffers wait was disabled but the rest of the Radeon Linux driver options were stock.