In all four cases, Virtual Memory was set to 128MB, clock display and AppleTalk was turned off. Bryce 3D 4.0 rendering was used to test a combination of CPU and FPU speed. Bryce is not AltiVec aware, so the G4 had no unfair advantage on the other machines. For the WordPerfect 3.5.3 scrolling test, I timed how long it took to scroll from the beginning to the end of the document while holding the mouse button down with cursor over the scrolling arrow. Pro Tools 2.3 benchmark test with 8MB maximum file size and system disk cache disabled.
Sustained Rate is displayed in the charts.
Peak rates can be impressive but do not reflect typical drive performance. CompUSA Honolulu for the use of their floor demonstrators.