ATHLON vs XEON: number crunching

Steffen Persvold sp at
Wed Jun 19 16:26:38 PDT 2002

On Wed, 19 Jun 2002, Joe Griffin wrote:

> Ivan,
> Is your test memory limited?
> Perhaps it is not the CPU speed but the cache size
> that is limiting you.  The Xeon has a different
> cache size and Memory type.  P4's use RDRAM (high latency/
> high bandwidth).  The AMD may use SDRAM (low latency/low bandwidth).

Not all Xeons use RDRAM. The new ServerWorks Grand Champion chipsets and 
the new Intel E7500 (Plumas) use DDR RAM (just like the Athlons).


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