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Dual CPU systems Vs. Single CPU systems

post #1 of 7
Thread Starter 
To Whom it may concern:

ASUS Z9PE-D8 WS Dual LGA 2011 Intel or EVGA equivalent MOTHERBOARDS

I know few of you have hands on experience with these boards in conjunction to owning single CPU set-ups. I am going to build a monster PC soon ($8,000+ range). Last time I built one with actually doing custom work was the core two duo era. I know that was awhile ago and lots has changed. First PC I built was back with the Pentium 3 stuff (yes I am old). So I have been doing tons of research to get caught up. I will be using this Animal for everything, 3D rendering, Gaming, HTPC, Work (spreadsheets and emerging market transactions) ect...... All parts will be high end plus water cooling. I Do not see the need for Phase-Change. Im not that hard core. My biggest concern is if dual CPU's is worth it?? Is there a significant advantage? If it is only a 10-20% gain over a beastly single CPU build then I rather save the extra coin and buy another firearm. biggrin.gif

I am for sure going with two Nvidia Titans in SLI.

"I use GPU rendering. My CPU doesn't really factor into the equation. And the two render engines I use are only compatible with nvidia cards. I'd only use CPU if I had a ton of machines, otherwise my two Titans crush most CPU configurations." quoting a family member.

I would like to see results+feedback from those here at OC.net

Links to legitimate benchmark results is highly appreciated or a thread that has already covered my question. In which case I am sure a moderator will come knocking and shut this one down, please do.

Also I am aware that the liquidity of software that supports and fully utilizes such hardware is slim.

P.S. I tried the search bar before starting this thread

Sincerely,

Stan
Edited by Stanley Ipkiss - 5/11/13 at 8:33pm
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post #2 of 7
Hi Stan,
I'm an old fart and have long experience in the mutli-cpu Server environment.
First, unless what you intend to build will have many app threads/tasks running at once, multi-CPU is over-kill and probably non-efficient as well. E.g. an intel E5-2650 8-core CPU provides 16 threads. Do you run any apps, or combination of apps, that would require/use more than 16 threads at once? If not it might be better to get a faster single CPU; e.g. the E-2650 turbos up to 2.8GHz, the Intel 3930K turbos up to 3.8GHz and provides 12 threads.
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post #3 of 7
if you have a benchmark for me to run, ill run it.

I do not do gpu computing, but i have noticed a large difference going from 6 cores to 32 threads.
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post #4 of 7
You'd be better off with a top-end i7 than two Xeons unless you're running some servers that will be under heavy load 24/7 because of the sheer cost of two Xeons alone. But, there is still a performance increase, so if money is no object - then go for it.
post #5 of 7
Thread Starter 
Quote:
Originally Posted by OS-Wiz View Post

Hi Stan,
I'm an old fart and have long experience in the mutli-cpu Server environment.
First, unless what you intend to build will have many app threads/tasks running at once, multi-CPU is over-kill and probably non-efficient as well. E.g. an intel E5-2650 8-core CPU provides 16 threads. Do you run any apps, or combination of apps, that would require/use more than 16 threads at once? If not it might be better to get a faster single CPU; e.g. the E-2650 turbos up to 2.8GHz, the Intel 3930K turbos up to 3.8GHz and provides 12 threads.

To os wiz

yes I run several applications at once. Also I would like to be able to render a 3d project on one card and cpu and game on the other simultaneously, whether it be coding music and gaming, spread sheets and trading while rendering, simple answer yes several apps for extended periods of time. So I think you answered my question its dual processors will be the way to go. While I was talking to my brother he stated that "A server board with multiple processors would be huge for physics simulations. Like weighted objects, water, etc. That would help at some point. Although I don't do much of that." Well I do however get involved with phy rendering and like to really get detailed on water for some projects I do for the certain clients.

Questions? Is it possible to run two 3930K on one board or do you have to stick to the server style Intel chips (xeon) ?? stupid question i know you are only allowed to use xeon together correct?

Thank you for the responses

Stan
Edited by Stanley Ipkiss - 5/13/13 at 8:32pm
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post #6 of 7
Only single 3930K is possible unfortunately http://ark.intel.com/products/63697
Roll down a bit and see Max CPU Configuration: 1.
You'll need to get Xeons for dual CPU.
Not going to comment on single vs dual CPU and whether or not it's the way to go.
All I'm going to say is that if you have the money, and know that your applications can make use of the increased numbers of threads, then by all means go for it biggrin.gif
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post #7 of 7
Quote:
Originally Posted by Stanley Ipkiss View Post

To os wiz

Questions? Is it possible to run two 3930K on one board or do you have to stick to the server style Intel chips (xeon) ?? stupid question i know you are only allowed to use xeon together correct?

Thank you for the responses

Stan
Nope, Sandy Bridge-E can't do SMP. The E5-2650 Xeon is not the cheapest way to get into dual CPU SMP computing, but its the cheapest way to get into16 threads. Also, you can dedicate a CPU to your rendering task and the other to Gaming; however, I doubt you'd need to.

Check out: http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100007629%20600298923&IsNodeId=1&name=Dual%20LGA%201356
I prefer SuperMicro over Tyan but if you need rock solid performance get an Intel mobo.
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