While still a ways from being comparable to the proprietary graphics drivers in terms of features and OpenGL performance, the open-source GPU drivers found by default in the forthcoming Ubuntu 13.04 release are a big improvement over the out-of-the-box graphics drivers found in earlier Ubuntu Linux releases. The Ubuntu desktop is also faster thanks to improvements to its Unity desktop environment and Compiz compositing window manager. In this article are Linux gaming benchmarks looking at the performance of Fedora 17, Fedora 18, Ubuntu 12.10, and a preliminary Ubuntu 13.04 development snapshot. In this first article, the OpenGL performance of Intel and Radeon graphics are being benchmarked."
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips