With the release of Ubuntu 14.04 LTS "Trusty Tahr" right
around the corner we have out today some new benchmarks of various AMD
Radeon and NVIDIA GeForce graphics cards when testing them with the
latest Linux GPU drivers on Ubuntu 14.04 at 4K (3840 x 2160)."
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