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I5 760 OC Help

Last response: in Overclocking
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March 25, 2012 5:22:07 PM

I have been trying to overclock my i5 760 to 4ghz for awhile now, but have not had any luck. I currently have it at 3.6ghz with the following settings:
Speed: 20x180=3.6ghz
vcore: 1.301 (High Vdroop)
vtt: 1.3 (+/-.03)
pll:1.8 (default)
Dram: 1.521
It is stable, and temps are 65*C max

I looked at some guides today, and one of them said to try a vcore of 1.35 with low vdroop and a vtt of 1.25 to get to 4ghz. I got it to boot and ran IBT and it was at 80*C and in a few seconds it crashed so went back into the bios and changed the settings to:
Speed: 21x190=3.99ghz
vcore: 1.326 (Low Vdroop)
vtt: 1.325
pll:1.85
Dram: 1.521
It was stable enough to pass 2 runs of the standard stress level on IBT, but the temps were at 77*C.

I gave up trying to get lower temps @ 4ghz, and went back to 3.6ghz

System Specs:
CPU: 760@3.6ghz
Cooler: 212+ with 2 fans
Mobo: MSI P55-GD65
GPU: 6870+6850 xfire
RAM: 8gb gskill 1333mhz
PSU: Nzxt 750w gold
Case: CM 690 original with 5 fans (2 top, 1 rear, 1 front, 1 side)

I feel like I am having the same problems described here.
I can post screens if necessary.
Thanks, and sorry for the lack of organization in this post.

More about : 760

a b à CPUs
a b K Overclocking
March 25, 2012 8:20:55 PM

I have the same cpu, once you go above 3.4ghz for every 200mhz you are increasing the power consumption by 20-30w so it takes a solid board and a large cooler. I only got mine running at 3.4ghz (3.53ghz with turbo) as I don't feel the need to go higher atm. My board is the Asrock P55 Extreme http://www.newegg.com/Product/Product.aspx?Item=N82E168...
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March 25, 2012 8:35:57 PM

Damn, I was hoping I was doing something wrong. Honestly, its perfectly fine at 3.6, I just wanted to get it to 4ghz for the sake of having it at 4ghz.
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March 25, 2012 10:03:41 PM

Jedi Mind Trick said:
Damn, I was hoping I was doing something wrong. Honestly, its perfectly fine at 3.6, I just wanted to get it to 4ghz for the sake of having it at 4ghz.


I had my i5 750 @4ghz, with a insane voltage in bios. 1.3875v.
Now i run it @3.6, voltage 1.2 in cpu-z. Max stesslevel in IBT, (3gb stressed), max temp 55c. It was 70c @4ghz. I can do it, but won't.
*Pleased with 3.6ghz*
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March 25, 2012 10:17:58 PM

I bet mine would fry if I had it at that voltage :D 
Thanks for the info, at least I know that there are more people than I thought who have heat issues with this @ 4ghz.
I think my new goal is going to be finding the lowest possible voltages.
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March 25, 2012 10:41:38 PM

did you go straight up to 4ghz from 3.6?
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March 25, 2012 10:49:59 PM

Jedi Mind Trick said:
I bet mine would fry if I had it at that voltage :D 
Thanks for the info, at least I know that there are more people than I thought who have heat issues with this @ 4ghz.
I think my new goal is going to be finding the lowest possible voltages.


it's my motherboard i've issue with. Needs alot of power (gigabyte p55a ud4)
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a b à CPUs
a b K Overclocking
March 26, 2012 12:33:41 AM

If you really want better clocks then I would consider searching for a better board if there is one to be found. That vdrop is enough for me to start hunting. The cooler may as well be replaced as it doesn't seam to handle the temps well at 4ghz. Remember this chip usually pulls 190w+ at full load around 4ghz+.
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March 26, 2012 1:12:31 AM

@otl-yea, I went straight to 4ghz, I got lazy and didnt feel like doing it the right (read: long) way.

@nforce-I might try a Noctua cooler later, or maybe water cooling if I start feeling lucky/desperate. I don't feel like looking for a better board, because I feel like it would be more worth it to retire this to the TV room and pony up for Ivy Bridge.
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March 26, 2012 8:34:26 AM

I've noctua nh-d14, nice temps, but it's very big to. I also have only 4gb of ram.
Isn't harder to oc with 8gb of memory, or is it only when having 4 dimms?
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March 26, 2012 8:38:37 PM

I think its both, I used to have a g6950 (got it super cheap when I first built my pc) and I could clock it to 4.4ghz no problem with 2x2gb. When I upgraded to to 2x4gb it took a lot more effort to get it just to 4ghz.
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a b à CPUs
a b K Overclocking
March 27, 2012 2:45:53 PM

otl said:
I've noctua nh-d14, nice temps, but it's very big to. I also have only 4gb of ram.
Isn't harder to oc with 8gb of memory, or is it only when having 4 dimms?


I am using 4X4gb dimms in my build. It is all about how you tweak and the board you use that determine your chances of hitting 4ghz.
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May 1, 2012 2:28:36 AM

Best answer selected by jedi mind trick.
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May 1, 2012 2:37:14 AM

I know its (extremely) late, but I didn't feel like starting a new thread. The cooler was indeed the problem, I wound up getting a Noctua NH-U12P SE2 and my max temps are are 72*C max after 4 hours of P95, which are (to me) a lot more acceptable.
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