"Earlier this week I finished up a 15-way AMD/NVIDIA graphics
card comparison on Linux with the very latest proprietary Linux drivers.
That earlier article focused on the OpenGL performance and simply put
the Catalyst performance on the tested Radeon hardware was abysmal
compared to NVIDIA's Linux driver performance. However, there is one
area where the Catalyst Linux driver really excels at performance and
routinely beats out the green competition."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips