Radeon HyperZ R300g Performance
Tremulous didn't see much change in performance out of the enabling of HyperZ on Mesa 9.1-devel.
The average frame-rate for the Radeon X1800XT was raised by 7% with the HyperZ support.
The VDrift racing game saw its frame-rates elevated by a measurable percent each time thanks to the HyperZ support.