[PLUG] Athlon64 vs Opteron64

AthlonRob AthlonRob at axpr.net
Fri Mar 26 17:51:02 UTC 2004


On Fri, 2004-03-26 at 16:32, E. Rogan Creswick wrote:

> I was under the impression that the Opterons have the northbridge on
> die, and that contributed greatly to the increased cost as you
> progress up in the n-way chips (there are Opteron 14x, 24x, and 84x
> chips for different cardinalities of SMP).  I also seem to recall that
> the opterons have three times the I/O, ammounting in something like
> 12gbps bi-directional.  I found a good (seemingly unbiased) review at
> anandtech comparing the opteron 244's with a dual 3ghz zeon, but I
> can't locate it at the moment.

All the K8s have an integrated memory controller... not so much a
northbridge, just the memory controller.  At least, that's how I
understood it.  There may be other northbridge functions in the core...
but things like the AGP are still controlled by the chipset.

Rob





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