ATHLON vs XEON: number crunching

Steffen Persvold sp at scali.com
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).

Regards,
Steffen




More information about the Beowulf mailing list