David wrote:I was using 8.1 on a G4/800 with 1 gig ram. My dual G5 with 1.5 gi ram reduced the same rendering (sketch) from 12 min to 1 min 40 sec. Not exact, but clearly a hugh increase....for what it might be worth.
I think to compare the G4 to G5, that you need to see how the G4 runs with 8.1 with the same RAM. David, I don't mean to make work for you, but the G4 may look better than you think. 1Ghz vs 2Ghz the G5 should show that ratio of improvment.