Re: 939 pin Opteron vs. Athlon 64? What's the difference?

[Stefan Smietanowski <stesmi@stesmi.com>]

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Marc Perkel wrote:
> OK - I'm confused. What is the difference between an Athlon 64 and a 939
> pin Opteron? Or the difference between a 939 pin dual core Athlon and a
> 939 pin dual core opteron?
> 
> I understand that the 940 pin Opterons can be used on multiple processor
> boards. But I just don't get it about using a single opteron.
> 
> Also - while I'm asking - AMD Semprtons now are 64 bit - so what's the
> difference between a 64 bit Sempton and a 64 Bit athlon?
> 

While this is an interesting subject, I ponder what it has to do on the
Linux Kernel development list.

939 pin opterons use unregistered memory and 940 uses registered memory.

Opterons in 939 pin packaging are the same as the FX- chips basically.

64bit Sempron has less cache than 64bit Athlon.

// Stefan
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