>> PowerMac G5 PCIe 2,5 GHz is slightly faster (or slower) than
>> 2,7 GHz Dual Processor (except from [...] MPlayer benchmarks,
>> where it beats the AGP machine hands down)

> Do you have any Benchmarks with Mplayer [...] running on G5 Quad vs G5 2.7?

He does, in comment #10.

> is there a difference on the Quad in Mplayer with faster GFX Card? Or are the
> results allways the same regardless which GPU (x800, 9800 or x19x0) you use?

9800 won't work as X300 is the bottom PCIe-based Radeon card. That aside, I can't imagine a significant difference with regard to displaying video frames decoded by the CPU, but an actual test surely wouldn't hurt.