Here's the 'linky'.

I understand that the G5 architecture is nice, but the Sledgehammer with its integrated front side bus keeping it in the GHz instead of the MHz is just incredible.

[EDIT]The link seems to be down right now, but it should be up in a bit [/EDIT]
[EDIT #2]It is up now - and look on Page 8 and see the title Athlon 64 vs. Apple G5 Systems: Not Even Close (chart)
Apple Power Macs did well on Photoshop, but the 64-bit AMD-based systems won handily on most tests.[/EDIT]