[Beowulf] FPU performance of Intel CPUs

Tiago Marques a28427 at ua.pt
Sun Apr 5 15:20:29 PDT 2009


On Sun, Apr 5, 2009 at 9:48 PM, Mark Hahn <hahn at mcmaster.ca> wrote:

> Definitely, it's a non-cluster question, but may be
>> I'll get an answer: is there any remarkable difference
>> in FPU performance between Extreme and non-Extreme
>> Intel CPUs, e.g. QX9650 and Q9650?
>>
>
> of course not - the chips are the same inside, so deliver
> exactly the performance you expect from their operating clock.
> same cache, same clock, same fsb, so same performance...
>
> as far as I can seem the only difference is that the X
> is an older stepping, has a higher TDP and lower thermal spec.
>
And unlocked FSB multipliers.
Best regards


> _______________________________________________
> Beowulf mailing list, Beowulf at beowulf.org
> To change your subscription (digest mode or unsubscribe) visit
> http://www.beowulf.org/mailman/listinfo/beowulf
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.scyld.com/pipermail/beowulf/attachments/20090405/5c404d22/attachment.html


More information about the Beowulf mailing list