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i7 3770k overclock reaching 86c on load?

post #1 of 7
Thread Starter 
Okay so I just bought a XSPC AX240 kit so I could overclock an extra system that I had because the i7 3770k was reaching over 110c temps on load (stock settings unoverclocked) and would idle around 50-60c. I wasn't using a stock heatsink and I'm using a Rosewill Blackhawk Ultra case (so there's plenty of quiet fans). I was using a xalman heatsink with xalman paste although I can't remember exactly what heatsink it is I bought it last november and it worked beautifully for the old 2600k that I had. Anyway, I installed the kit this morning and I overclocked my GPU and CPU Setups to the following levels:


CPU: 4,500 mhz @ 1.5v
GPU: 1,200 mhz default voltage

My GPU temps are totally sexy (around 45c on both load), but I'm getting the following for CPU Temps:

Core 1: 87c
Core 2: 84c
Core 3: 85c
Core 4: 88c

. Is this well... normal for a 3770k @ this mhz and voltage? It's exceedingly better than 110c on stock settings and I was getting 65c on stock 24c idle. I suppose 84-87c isn't BAD but I'm concerned about the CPU life if it's running this hot most of the time.


My Specs:

Mobo: ASUS Maximus V Formula
GPU: ASUS Radeon HD 7970 GHZ Edition CF
CPU: i7 3770k Ivy Bridge
Water Cooler: XSPC AX240 Kit DeadDrops + Fesser One UV Blue
Case: Rosewill Blackhawk Ultra
post #2 of 7
WHOA!!!!

Miles too much voltage, 1.5v is WAY OVER the recommended max... Set it to around 1.34... That's stupid high voltage, especially for such a moderate overclock.
post #3 of 7
Quote:
Originally Posted by compuman145 View Post

WHOA!!!!

Miles too much voltage, 1.5v is WAY OVER the recommended max... Set it to around 1.34... That's stupid high voltage, especially for such a moderate overclock.

I agree was too damn high for 4.5 ghz. If you have a good to decent chip you should need around 1.25 for 4.5 ghz. You might even be able to get lower than that. 1.5v will degrade your chip quickly. You can also achieve 4.5 overclock with speedstep enabled that way you can idle and downclock on low vcore and when gaming or needed shoot back up to 4.5 with 1,25.
writer21
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writer21
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post #4 of 7
Thread Starter 
I lowered the voltage like you asked and it made a small difference. Temps are:

Core 1: 81
Core 2: 83
Core 3: 78
Core 4: 75

I'm starting to think I maybe installed the kit wrong so I'm looking at that now.
post #5 of 7
Quote:
Originally Posted by Neostar View Post

I lowered the voltage like you asked and it made a small difference. Temps are:

Core 1: 81
Core 2: 83
Core 3: 78
Core 4: 75

I'm starting to think I maybe installed the kit wrong so I'm looking at that now.

Doesn't hurt to re-seat the CPU block and see if that helps. May even be just an issue of the TIM that Intel put on the die not working right. The Ivy Bridge chips do have some issues because they moved from solder to TIM under the metal but check your loop first.
post #6 of 7
my 4.5 oc sitting at 1.3v
max temps under gaming load reach in the mid 60's and spike to 70. thats with a CM Hyper 212 Evo with just a 120mm sitting on it.

prime testing easily bumps the temps to 80c but they never ever get close to that while gaming.

deff lower the vcore, get some quality thermal paste (im not to sure about that zalman stuff, there is much better stuff to be obtained) and reset your heatsink.
post #7 of 7
What is your Vcore after reducing it? My is at 1,288V and temps are max. 80 in Prime95. Some chips need only 1,2V for 4,5 ghz but you have to find the sweet spot.
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Vinyl Scratch
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NZXT Switch 810 Logitech G400 Steelseries (Sc2 Zeratul) Beyerdynamic 770 DT Pro 250 Ohm 
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