PowerPC vs Intel Processor
Performance Comparisons - MMX vs The "Velocity Engine"
Apple
has been touting how the G4's "Velocity
Engine" (AltiVec)
wipes the floor with the Pentium III and its MMX
technology. Apple claims that on average the G4 is up to
3 times faster when using one of Intel's own benchmarking applications
- the Intel
Signal Processing Library. We have tracked down Apple's
benchmark results and present them as is below. These results
compare a 500Mhz G4 to a 600Mhz Pentium III.
Benchmarks presented
elsewhere also show a vast improvement of the G4 over
the G3 for Altivec enabled applications. It is quite clear
that Apple's "Velocity Engine" is the real deal
in accelerating applications that have heavy computational
demands. It will be interesting to see how many developers
orientate their products to take advantage of the performance
improvements that AltiVec affords
The results below show the performance of the
Pentium expressed as a percentage of the G4 -longer bars are
of course better.
The Pentium III/600Mhz is on average 66% slower than the
G4/500, or put another way the G4 is 3 times as fast
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Apple
has been touting how the G4's "
