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12/16 Cores.

How overclockable are these chips? If you take a 6 core k-series 2011 chip and overclock it to 5GHz it will have exactly the same performance as one of those Xenons even assuming that 3.8GHz of turbo applies to all cores! Not a good investment IMO.
 
JonSmith said:
How overclockable are these chips? If you take a 6 core k-series 2011 chip and overclock it to 5GHz it will have exactly the same performance as one of those Xenons even assuming that 3.8GHz of turbo applies to all cores! Not a good investment IMO.
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Xeons are locked. There is no (limited) overclocking.
3930Ks however can go from 4.4-4.8GHz on air and further on water.
 
Rossi~ said:
Xeons are locked. There is no (limited) overclocking.
3930Ks however can go from 4.4-4.8GHz on air and further on water.
Click to expand...

If that's the case then they are a bad choice, at 4.8GHz you'd increase the single thread performance of a 6 core enough that even the 2 extra cores wouldn't make the difference up in multi threaded applications. Locked chips are bad for enthusiasts no matter what way you look at it.
 
He needs it (i believe going through his past threads) for some hardcore mathmatical particle simulations that are normally run on a super computer.

He wants the power to be able to test and improve his code without the super computer access.

That opteron looks amazing. if not that wouldnt a 6 core 2011 + Nvidia GPUs for cuda be the next step?

Rather than dual 2011 xeons? Assuming his program will use cuda.
 
A quad socket F mobo and four Opteron 8xxx would get you there. Would be energy efficient too. Could be done for ~ £400 for the slower chips + memory.
 
YOUR BASKET
1 x EVGA SR-X Dual Socket (Socket 2011) Motherboard £559.99
2 x Intel Xeon E5-2620W 2.00GHz (Socket 2011) - Retail £329.99 (£659.98)
Total : £1,231.37 (includes shipping : £9.50).



With a case, 700W power supply + all the rest, would be a monster for the kind of work you would require :) if you needed it more powerful, I'd put some more powerful xeon processors in, however they are incredibly expensive for what they are, if we had a better idea of what you use the computer for, it would be easier to give you a specification.
 
CAT-THE-FIFTH said:
Here is a quad Opteron rig built by an OcUK forum member:

http://forums.overclockers.co.uk/showthread.php?t=18413298

It replaced a dual Xeon rig using an SR2 motherboard.

A pair of 12 core Opterons and a dual CPU motherboard probably will cost around £1200 and probably would be good for VM work.
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Opterons don't have pins on the chip? and why are they oddly shaped? I've never seen rectangular CPU's before. I thought they were all square, just some were bigger than others but never rectangular. Wide view CPU's.
 
yellowputty said:
Simple question: How would I go about building such a setup? How much would it cost? (Motherboard + CPU).

This is not hypothetical.

Many thanks for your advice.
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Dual intel cpu overclocking is not possible on the current range of socket 2011 cpu's.

You're as well going for 1366, or a single socket overclockable machine.
 
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