AMD's dual core Opteron & Athlon 64 X2 - Server/Desktop Performance Preview
by Anand Lal Shimpi, Jason Clark & Ross Whitehead on April 21, 2005 9:25 AM EST- Posted in
- CPUs
Multitasking Scenario 4: 3D Rendering
We received several requests for a 3D rendering multitasking test, so we put one together. For this test, we ran our SPECapc 3ds max 6 benchmark while we had iTunes, Firefox and Newsleecher all running like we have in previous tests. The application focus remained on Firefox to give it the highest scheduler priority, and the results are below: 
What's also interesting is that the performance of the Athlon 64 X2 4400+ is virtually identical with the Athlon 64 FX-55 from our standalone 3ds max test (1.65 vs 1.66). In this benchmark, the Pentium Extreme Edition 840 takes a pretty significant lead, thanks to HT. We see that even with a dual core CPU, there are still some issues to overcome with the OS' scheduler. So, we get an unusually large increase in performance due to HT due to the scheduler being tricked into sending more threads to the CPU rather than attempting to have them preempt one another for CPU time.
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morcegovermelho - Thursday, April 21, 2005 - link
page 3 "For example, the Opteron 252 and Opteron 852 both run at 2.6GHz, but the 252 is for use in up to 2-way configurations, while the 852 is certified for use in 4- and 8-way configurations. The two chips are identical; it's just that one has been run through additional validation and costs a lot more. "I thought that they had different number of HyperTransport (HT) links:
152 - 1 HT
252 - 2 HT
852 - 3 HT
I thought that was the reason why it was impossible to use two 152s in a two-way motherboard.
Maybe i'm wrong.
faboloso112 - Thursday, April 21, 2005 - link
great articlefungmak - Thursday, April 21, 2005 - link
#50Dual 875s have 4 cores
stmok - Thursday, April 21, 2005 - link
I have waited SOOOOO long! Finally, a reason to dump my dual PIII setups. Next stop, Athlon64 X2!jediknight - Thursday, April 21, 2005 - link
Can someone explain the huge performance difference between the dual Operaon 252s (2.6GHz) and the dual Opteron 875 (2.2GHz)?Since:
"The two chips are identical; it's just that one has been run through additional validation and costs a lot more"
I would expect the 252s, running at 400MHz more, would outperform the 875s. Can someone explain this (large) discrepency?
snedzad - Thursday, April 21, 2005 - link
Yes. That's gonna be a four proc-machine. Terrific.I am really astonished about whole AMD K8 architecture. And K9 should be 4-core processor architecture.
Can't wait.
But, I still won't get a rid of my AX2600 machine.
Griswold - Thursday, April 21, 2005 - link
Ah the brilliant KillerBob.Anand used plenty of real world apps for the multitask benchmarks.
How much more real world testing would you want to go with your (pointless) whining?
GoatHerderEd - Thursday, April 21, 2005 - link
Why is their stock price at a 6 month low? I hope this pulls it up a bit. It would be a shame if they don’t start making a profit.suryad - Thursday, April 21, 2005 - link
I just am astounded at the performance these first versions of dual core processing that is being presented to us...WOW...couple that with a well written 64 bit OS and it will be even more smoking!! I think AMD did a job extremely well done and I am glad that they are being aggressive in keeping their pockets full with the prices of their chips. I personally dont think that would stop me from buying their processors. I would wait for the FX to become dual core though. A 3 ghz dual core FX would rock so bad!!!Also one more thing...so the Tyan mobo holds 2 procs correct? So if we stuck a dual core in 1 socket and another in the other sock...that makes it a 4 proc machine then right?!!
bldckstark - Thursday, April 21, 2005 - link
Thanks for the double post KillerBob. Your statements are as intelligent as your ability to use a keyboard.