Jeff Vian wrote:
Clock speed actually means nothing for performance comparisons. I
believe mips is a much better measure of performance. AMD wins hands
Meaningless Indicator of Performance?
MIPs is inversely proportional to clock spead. Neither is better than
the other as a measure of performance except in the same generation (and
revision) of CPU of the same architecture.
Mostly, but not necessarily, the big changes are at the generational
changes: a Pentium III at 1 Ghz outperformed a Pentium IV at the same
speed, and an Athlon outperformed both.
It gets even more complicated when comparing different architectures:
choose amongst current generations of IA32, IA64, AMD-64, Power,
UltraSparc, Sparc64, MIPS and ARM. And IBM's zSeries, which don't
compute all that well, but do disk I/O at gigabytes/sec.
--
Cheers
John
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