Re: Compare Apple to Orange (err.. I mean Pentium)

[Clyde Kahrl]

It's really hard to compare G4s to P3s because of the intervention of 
things like operating systems, software, buses, disk drives, and so 
forth.   I never cease to be amazed at how one system can be clearly 
superior to another on a bunch of photoshop filters, and then get 
totally clobbered on another filter.   (I saw one comparison where 
photoshop 7 was beating photoshop cs;  they called up Adobe and Adobe 
said: Oh Yeah, we dramatically changed that filter and upgraded the 
routines and resolution etc and that made it slower."   So there you 
go.)

A long time ago, a P3 had to be almost double the clock speed of a G3 
to be equal (in some things).  When the P4s came out, they had to be 
double the speed of a P3 to compete with the P3!   Part of that was 
because the P4s had a longer pipeline to get a higher clock speed, 
and part was because right after it was released the compilers had 
not been optimized for the P4.   The G4 is faster than the G3 for 
some things--and with those things its a LOT faster.

So a 1.2Ghz G3 should be 4 times faster than the 600Mhz P3, and for a 
few things, the G4 will be maybe 10 times faster  on some things. 
But this all depends on cache size, and location and a bunch of other 
things---like your disk drive.   The different G4 laptops have 
different speeds unrelated to the chip speeds.

If you have a 600MhzG3 it's probably really old, and so everything on 
the new machine will be a lot better in every way.

Check out XLR8  your mac. 

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