DVD ripping/compressing speeds with G5 vs. G4

Hello,
My new G5 iMac (2.1mhz, 512mb ram) doesn't rip/compress video nearly as fast as my old G4 Powermac (dual 1.25mhz, 1.75GB ram). It took 36 minutes for the G5 but only 21 minutes for the G4 (to rip).
Is it because I only have 512mb ram on the G5? If so how much ram do I need before the G5 exceeds the performance of the G4? That's why I bought it.
Thanks!
PowerMac FW800 (G4), iBook 1.42 G4 SuperDrive, iMac 20" G5 2.1 (iSight) Mac OS X (10.4.8)

You have basicly answered your own question.
Even though there can be a big difference in the different Optical Drives used by Apple in the different machines and there capabilities.
Remember more Ram is always going to affect the speed performance of your machine in the ram intensive use of burning and copying.
Cheers Don

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Command exits with failure code:
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[avilib] V: 25.000 fps, codec=XVID, frames=11, width=624, height=352
merging audio /home/atlas/divx/DH-DVD2-5-8/avi/001/audio-psu-01/DH-DVD2-5-8-001-audio-psu-01-00.avi track 0 (multiplexing) into 0 ...
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with allready at the end a similary message:
AVI open: avilib - AVI file has no video data
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Last edited by atlas95 (2007-05-14 05:59:25)

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