[CUBE] OT: pismo vs ibook
Hal
kastegir at mac.com
Fri Aug 8 11:36:34 PDT 2003
I probably would have gotten the G3/900 rather than the G4/500 had it
been available when I bought my upgrade. One thing to remember is the
fact that the G3 only has a 512k cache, rather than the 1MB on the
G3/500 stock or the G4/500. I'm sure that running at full processor
speed help a lot, but more cache is better for some apps. VPC, in
particular, runs better on CPUs with more cache.
Either way, IMHO, Powerlogix Pismo upgrades rock.
good luck!
-Hal
On Friday, August 8, 2003, at 12:16 PM, Robert Jagitsch wrote:
> Even if G4 500 was faster on Altivec by some degree, unless your needs
> are extremely specialized you probably won't use Altivec more than say
> 5% of the time. The faster clock speed 95% of the time is a much more
> substantial factor in overall performance. You'd have to be running
> Photoshop filters that utilize Altivec virtually all the time. And in
> our tests, the faster clock speed more than makes up for Altivec
> because the Altivec unit is running at 5/9th the speed (not to mention
> the L2 cache running at 2/9th.)
>
> R
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