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Overclocking 3930k - Stable overclock but very low voltage?

post #1 of 20
Thread Starter 
Well I finally have the time to mess around with some real overclocking on my 3930k. I currently have the vcore set to 1.30v in the BIOS and I am currently testing at 4.6GHz. IBT on "high" passed as stable, and I just finished a quick 18 minute P95 run. I am only posting this thread because from what I've seen there are no other 3930k's that hit 4.6GHz at only 1.30v and are stable. I have a feeling my chip might be getting throttled or something? If it is not getting throttled then I guess my chip clocks pretty well?

I have attached a screenshot of the overclock while testing in P95, so my CPU is at 100% load in the screenshot. I am only going off of what I've seen around the forum - most people at 4.6GHz are pushing around 1.36-1.4v.



*EDIT* - I know that 18 minutes of P95 and 10 passes of IBT is not "stable," but you know what I mean. I will of course be doing a 24-hour stress test once I hit my "wall," but for the time being I'm calling 20 minutes of testing pretty good.

*EDIT #2* - I just upped my RAM to 1866MHz (stock is 1600MHz) and upped the CPU to 4.7GHz with the same voltage settings and ran P95 for 45 minutes and it is still going strong.
Edited by karmuhhhh - 11/28/12 at 9:48pm
    
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post #2 of 20
18 minutes is not long enough to be sure that your OC is stable.
IBT for quick dirty testing 12-24 hrs of prime like you said
post #3 of 20
Which setting for for VCore LLC you are using???
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post #4 of 20
Update your version of prime you're pretty far behind...you're really not testing it.
 
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post #5 of 20
Thread Starter 
Quote:
Originally Posted by fruitflavor View Post

18 minutes is not long enough to be sure that your OC is stable.
IBT for quick dirty testing 12-24 hrs of prime like you said

Yup I know, I'll be doing more in-depth later on, but for the sake of my OCing not taking a week, I'm doing it this way.

Quote:
Originally Posted by kope View Post

Which setting for for VCore LLC you are using???

It is set to "high." According to CPU-Z and HWMonitor there is zero vcore fluctuation.

Quote:
Originally Posted by deafboy View Post

Update your version of prime you're pretty far behind...you're really not testing it.

I didn't know there was a newer version out - I'll update it. But my CPU is still cranking at 100% so I'm sure it's doing something smile.gif
    
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post #6 of 20
With your spec your goal should be 4.7/4.8 thumb.gif
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post #7 of 20
Thread Starter 
Quote:
Originally Posted by kope View Post

With your spec your goal should be 4.7/4.8 thumb.gif

Yup and it looks reachable! I'm going to actually shoot for 5GHz though tonight and run my F@H VM all night as a stress-test to see how well it holds up. Hopefully I'll be able to keep decent temps with a high OC (but isn't that what we all want?) lol.
    
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post #8 of 20
Quote:
Originally Posted by karmuhhhh View Post

Yup I know, I'll be doing more in-depth later on, but for the sake of my OCing not taking a week, I'm doing it this way.
It is set to "high." According to CPU-Z and HWMonitor there is zero vcore fluctuation.
I didn't know there was a newer version out - I'll update it. But my CPU is still cranking at 100% so I'm sure it's doing something smile.gif

It's definitely doing something but it's not using the AVX instructions. So while yes, it's at 100%, it's not actually putting that much of a heavy load on it. I think prime added that in like 27.1 or something. Either way though, looks like a very nice chip.
 
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post #9 of 20
Before folding do Prime at least one hour. Folding is heavy load but not always. Some projects load processor 100% but heating is not as with Prime and opposite. Watch for Power consumption (monitor). I will suggest use of Aida64 software for monitoring (You can see whats happened in last couple of hours).
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post #10 of 20
Thread Starter 
Thanks a bunch for the tips guys. I've updated to P95 version 27.7 (which according to their website is the latest) and I am going for 4.8GHz right now. The computer locked up a few times so far so right now with voltage I'm at 1.350v in BIOS. The newer version of P95 is certainly harder on the CPU, that's for sure.

Been going for only 5 mins now on 4.8GHz @ 1.350v so hopefully she'll hold up pretty well. It's getting pretty late so if it hold up for an hour then I'll just let it run the rest of the night smile.gif
    
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