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Another 3930k vs 4930k vs 4770(k?) question

post #1 of 3
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Background - My local Microcenter has a 3930k available for only $450, 4770k's for $270, 4930k's for $530, and 4770 for $250, 4820k for $270.

My main reason for wanting to upgrade is to have an unlocked multiplier that actually has VT-x and VT-d support. My 3770k in the prodigy build is a strong processor, and short of running multiple VM's well with ESXi it has met all my needs as far as a gaming PC goes, but I really need (want) VT-d for playing around with VM's. The issue I'm facing is 2 fold.

Namely, I want RAID-0 TRIM support, which only is happens with z77 and up boards (x79 not included, maybe this post means x79 finally supports raid0 trim for ssds). I also want VT-d, which is only non(k) and x79 chips.

If the post about the new RSTe drivers and OROM update is true, this leads me to believe x79 now does have all the things I want, and I won't have to settle for a 4770 with limited OC potential for the ability to pass through hardware to VM's.

This leads me to the two main questions I have, first does the IPC make up for the difference in cost from 3930k->4930k? Are there any real instruction benefits besides the IPC upgrade from 3930k->4930k which might have real world advantages (any scenarios where AVX2 or other instructions might actually come into play?). So is it worth the extra $85 in any scenario to get the 4930k over the 3930k if I go with the hex core? If not, clearly the 4820k is superior to a 4770k or my current 3770k as it does have VT-d support.

The last question I guess comes down to a personal one, is the hex core really worth the $180 minimum difference for 4 more threads.

Thoughts?
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Nightrider
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Commodore 64
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Windows 7 Home Ubuntu 15.4 QNIX 2710 Catleap 2B 
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CPUMotherboardGraphicsRAM
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post #2 of 3
Quote:
Originally Posted by Avonosac View Post

Tdoes the IPC make up for the difference in cost from 3930k->4930k?

Yes, if RAM clocking is important to you. The IMC is considerably more robust. If you're not impressed by the difference between 2133mhz vs 2600mhz, or if you do not have ram capable of running at extreme speed (>2400mhz), then it's of no value to you.

Quote:
Originally Posted by Avonosac View Post

Are there any real instruction benefits besides the IPC upgrade from 3930k->4930k which might have real world advantages (any scenarios where AVX2 or other instructions might actually come into play?).

Not that I know of.
Quote:
Originally Posted by Avonosac View Post

is the hex core really worth the $180 minimum difference for 4 more threads.

It totally depends on what you want it for.

For gaming - no, it is absolutely not worth it. There are ZERO games on the market that are coded for 6 cores (or 12 threads). You will get zero performance benefit, and will likely suffer a lower overclock head due to different architecture and thermal properties from the additional cores.

For benchmarking - yes, it is absolutely worth it. 6-core cpu's blow away the competition for obvious reasons.

For everyday computing - maybe, it depends on what your idea of "everyday" is. If you do a lot of video/graphics rendering or encoding, you'll see a good benefit. Otherwise, probably not.

For sheer l33tness - there is no other way to go. wink.gif
Edited by chrisnyc75 - 11/5/13 at 10:34am
post #3 of 3
I thought BF4 used all cores, and isn't there a big upheaval about core parking? Maybe the reason why computers aren't using all the cores is because the reviews are using Win7 with core parking enabled. I know turning off core parking in Win7 + BF4 will give a significant boost in FPS. Core parking has been around for a while it's only since BF4 and Win7 that it's hit the spotlight and everyone is posting about it...

Heck, I can disable core parking on the UE3 engine while playing Unreal Tournament III DM and Greed and see all cores being used via task manager.. and this is with a 6 core 32nm Gulftown (1366 socket)
     
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