Re: G4/1Ghz ZIF upgrade in G3/350BW

[Jonathan Newman]

Well, I'm not Mark, but I do have experience with the Sonnet upgrades, 
all of them, And I would say the #1 reason you would want to upgrade to 
a faster G4 would be program compatibility. Newer software is coming 
out and and it requires faster processor speeds. The drop in system 
performance is marginal, but if you have PCI cards running USB/FireWire 
ATA controller and the like. I'd say that the performance would drop 
too much. The stepped up speed from a 500MHz G4 to a 800MHz G4 is about 
35 - 40% faster. and not the 55 - 60% you'd get if it was rated at 
100MHz bus speed.

 - Jonathan
On Aug 11, 2004, at 11:34 AM, Tom W. wrote:
Mark, let me ask you a question. If I currently have a G4-500 in my 
B&W operating at 100mhz and put in a G4-800 which downgrades the bus 
to 66mhz, how much of a speed improvement am I actually going to see?

Thanks
Tom
Mark Benson wrote:

Significantly, and in a bad way. It's enough to make buying a G4/800 
upgrade much more viable for a bang per buck point of view. Dunno 
about firmware issues with the 800MHz version though.



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