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Those of you with OcUK OEM 2700K Official OC Results thread!!

Gibbo said:
The difference between a cheap and decent board when clocking can be huge, you cheap skate, thats what you get for buying a cheap B-grade MSI board. :p
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I know, I know. I should know better by now!! Temps are maxing out at 74c though at the mo, so I think a motherboard change and a watercooling kit will be my next purchase items :cool:

I certainly can't complain though m8, that seems like a good overclock on not many volts to me :)
 
Gibbo, I do apology. You didn't say it at all. It probably me mistake of saying it out of my mouth without thinking first. You can banned me for a month if you wish to cool me down and have a month off break!
 
axer said:
What's the better fan to use on the H80 guys, the ones that come with it or a pair of Apaches?
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Your temps def don't seem right m8, especially with that i5 at relatively lowish vcore.

To give you a comparison, my 2700k with a Noctua D14 is maxing out at 74c (but that is in a Raven RV03 case)
 
JediFragger said:
Your temps def don't seem right m8, especially with that i5 at relatively lowish vcore.

To give you a comparison, my 2700k with a Noctua D14 is maxing out at 74c (but that is in a Raven RV03 case)
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Hmmm it's got to be my lack of intake then (1x front intake at the bottom of the case) my office is cold, no heating, no carpet etc.
 
TO AXER,

In either this post or my own regarding overclocking these chips and the results I got are the settings for my Asrock P67 Professional mobo. See if you can find them.

Other than that could you post what motherboard you are using and the settings you are using please, see if I can help.
 
GoogalyMoogaly said:
Now the thing that concerns me, and I may just be being paranoid, is that since these are OEM chips that OcUK will have tried and tested them before hand and filtered off the really good overclockers for OcUK builds, staff and friends. Which leaves me/us with the rejected overclockers.

Other than that I am getting very close to saying to hell with waiting for IvyBridge (do we have an ETA on these yet?) and getting one of these and then seeing if IvyBridge is a worthy upgrade.
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I lolled.
 
If you think about it, if OcUK did filter out the best chips... having made a claim that they were of a good batch and 5GHz capable, if consumers consistently get worse results then OcUK would be in for a lot of accusations and bad feeling, I don't think they would bring that upon themselves.
 
Whilst I await Boostjunky's feedback, I've managed to get the system prime stable at 4.8Ghz with 1.365 volts in BIOS which is undervolting to 1.360 under load in CPU-Z.

Temps are 67degC on coolest core and 74degC on hotest core but it is blooming cold in my office!
 
glowball said:
If you think about it, if OcUK did filter out the best chips... having made a claim that they were of a good batch and 5GHz capable, if consumers consistently get worse results then OcUK would be in for a lot of accusations and bad feeling, I don't think they would bring that upon themselves.
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No infact what would happen is we'd be selling CPU's pre-tested and guaranteed to 5GHz on the website.

We shall not be doing this for the following reasons:-

1. Anyone who wants to OC will not buy a CPU from us in fear that all the regular ones are poor clockers.
2. Any guaranteed CPU too 5GHz will have a large premium due to the time and resources involved.
3. We simply don't have the time to pre-test 500 CPU's, we have far better things to do.

So no were not pre-testing them, I myself have played with *ONE* and it was the first one I got out of stock and it did 5GHz, we've then built several of our Battlefield 3 PC's which are set to 4.8GHz and have not had issues.

So to answer your question were not pre-testing or have any plans to do so. Will these chips do 5GHz well yes we belive most of them will when fitted into a quality motherboard with good cooling that can keep the CPU sub 70c under load.
 
axer said:
Whilst I await Boostjunky's feedback, I've managed to get the system prime stable at 4.8Ghz with 1.365 volts in BIOS which is undervolting to 1.360 under load in CPU-Z.

Temps are 67degC on coolest core and 74degC on hotest core but it is blooming cold in my office!
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Judging by that your results are very similar to my own. 4.8GHz took 1.36-1.37v under prime load to be stable.

Nudging this upto 1.41-1.42v under prime load (so maybe 1.45v-1.47v in your bios) gave me 5GHz stable.

However my temperatures peaked at 66c with two high speed fans. Two moderate fans kept the temps under 75c and this was stable too. However over 80c was met with issues.
 
Gibbo said:
Judging by that your results are very similar to my own. 4.8GHz took 1.36-1.37v under prime load to be stable.

Nudging this upto 1.41-1.42v under prime load (so maybe 1.45v-1.47v in your bios) gave me 5GHz stable.

However my temperatures peaked at 66c with two high speed fans. Two moderate fans kept the temps under 75c and this was stable too. However over 80c was met with issues.
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This seems quite similar to what I'm seeing, when I raise the vcore to 1.425 the system seems stable until the temps raise past 85degC and then it all goes to pot :D

It still seems odd that despite having a fully loaded HAF-X and a cold office, I'm getting such high temps in the first place :(
 
axer said:
This seems quite similar to what I'm seeing, when I raise the vcore to 1.425 the system seems stable until the temps raise past 85degC and then it all goes to pot :D

It still seems odd that despite having a fully loaded HAF-X and a cold office, I'm getting such high temps in the first place :(
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Do your rads get hot?
 
I'm not sure why early silicon would be better?

If this is Intel's top cpu then they are going to use all the best silicon for these. Which stands to reason.

However as the process matures you are more likely to get better silicon and thus a better overclock?

This only works for the top end cpu's because a better process would allow intel to bin worse silicon at lower model numbers.

Can't see them holding back the top silicon now as they will not be releasing any other models with this die.

So why would early silicon be good?
 
Guys, if you get one of these then make sure you have a good board to pair it with. I cheaped out and regret it, although this MSI Z68A-GD55-G3 is far from a bad board it's just not top-end when it comes to clocking an i7 :)
 
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