While I`m now onto benchmarking several new NVIDIA graphics cards under Linux and also the AMD Radeon R9 290, earlier this week I ran some more open-source vs. closed-source driver benchmarks on Ubuntu Linux. Here`s fresh benchmark results when comparing eight AMD Radeon graphics cards on the open (Gallium3D) and closed-source (Catalyst) drivers and running various Linux OpenGL workloads."
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