Peter Arremann wrote:
On Friday 13 April 2007, Mark Hull-Richter wrote:
I know this is a bit OT, but the subject of CPU speed came up here and I
was (and have been for some time) curious:
What is the actual speed of an AMD CPU? E.g., I have a Athlon 64 X2
"4200+" but my /proc/cpuinfo shows 1005.164 MHz for the two cores.
What do those mean? Is there a reference for this (huge) discrepancy?
Also, is there a way (and what) to tell what the actuall running speed of
memory is?
Thanks.
4200 is a performance rating... Originally they modeled after a Pentium III,
later switched to comparing to Duron performance. With dual core everything
got even harder to determine - but important thing is that 4200 is just a
relative rating and doesn't mean 4.2Ghz.
Pentium IV, not III I thought. No point comparing with Duron, it's one
of AMD's own processors. When Intel redid its implementation, AMD kept
on extrapolating from the older Pentium IVs so as to continue using the
same measuring stick (and getting bigger numbers might be nice too).
--
Cheers
John
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