They stated the high end board is ~1250 MIPS
please see:
http://www.architosh.com/news/2002-04/2002c1-0429-rf-g5server.phtml"A note about performance. The PowerPC 8540 has a MIPs rating of 2315 @ 1 GHz. The PowerPC 7455 (the current G4 chip) has a MIPs rating of 2310 @ 1 GHz. While this is a limited metric in terms of what it means to us end (Mac) users, it is worth noting."
