amd vs. intel

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i'm trying to figure out the differences between amd and intel
processors in a nutshell.

i heard that amd cpus can do instructions in fewer operations.  if this
is true, why can't they just up the clock rate and have the fastest cpu
overall?  why must their clock rates be below those of intel?

Re: amd vs. intel

CPUs with long pipelines e.g. the Pentium 4 can operate at higher clock speeds
because each stage does comparatively little processing, but are very
inefficient. CPUs with shorter (fewer stages) pipelines e.g. Athlon and Pentium
mobile chips have better performance at lower clock speeds. There are also many
other things that affect performance e.g. L2 cache size and the Athlon's high
speed memory controller. wrote:
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                   Mike Walsh
            West Palm Beach, Florida, U.S.A.

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