AMD Radeon benchmarking of many Radeon graphics cards comparing the open-source vs. closed-source Catalyst drivers under Linux. Testing by Michael Larabel at Phoronix.com for a future article in Oktoberfest 2011 coverage.
Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 1109026-LI-AMDRADEON57