"Stephen Lee -- post replies please" wrote in message
...

According to Per Ekman :

Opterons have 3 HyperTransport channels, Athlon64/FX-51 has one.

Does that make any performance difference?

It would likely make a significant difference if you used them, none at
all if you didn't. Other than connecting additional CPUs on the other HT
channels, the onlt other significant current application is to put the AGP
port on its own channel.

DS