amd vs. intel
in [Hardware]
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From: bob on 16 Mar 2006 12:41 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?
From: Mike Walsh on 16 Mar 2006 13:19 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. bob(a)coolgroups.com wrote: > > 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? -- Mike Walsh West Palm Beach, Florida, U.S.A.
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