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post #21 of 34
thats way too high. 45c idle is too high also. by seating i just mean you used the incorrect amount of TIM (too much or too little). you should place a small rice sized dot in the center of the chip and place the cooler on it then tighten the screws in a criss cross pattern. if you see the TIM being forced out around the edges of the processor then you probably went a little heavy.
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post #22 of 34
Quote:
Originally Posted by TurboMach1 View Post

theres something wrong with the way your heatsink is seated. i would recommend buying some new thermal compound and cleaning the stock stuff off and re applying it. my 2500k with a 212 evo and stock fan ran at 65-66c @ 4.5ghz and 1.405 vcore.
i have that same 212 evo on a i7 3820 overclocked to 4.3 @ 1.255 vcore and it maxes out at 64c. this is a 130w TDP chip which means it puts out much more heat then a 2500k will.

Is this in a case, or in your open rack?
Either way, your 212 and 2500k at a higher vcore matches, if not slightly beats my K2's temps.

I'm not sure how that's possible...

In what kind of ambients were those temps taken?

EDIT: Actually, what were you using to record those temps?
Edited by Speshy - 8/25/12 at 6:21pm
    
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post #23 of 34
Quote:
Originally Posted by Speshy View Post

Is this in a case, or in your open rack?
Either way, your 212 and 2500k at a higher vcore matches, if not slightly beats my K2's temps.
I'm not sure how that's possible...
In what kind of ambients were those temps taken?
EDIT: Actually, what were you using to record those temps?

well the 3820 was on the rack the 2500k was in a coolermaster storm enforcer. ambients were 22-23c for the 2500k the 3820 was around 24-25c.

i was using realtemp
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post #24 of 34
Well, what can I say? Smashing job thumb.gif
    
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post #25 of 34
Quote:
Originally Posted by Adian View Post

Well that was faster than I expected. Set the multiplier to 40 and the vcore to 1.3 (That's about where it went to when I set it to auto) and hit 75C (at 22.2 ambient) in about a minute and a half of the blend test. I can probably work the vcore down further, but likely not by THAT much.
So if I work down the vcore, I'm looking at roughly a 4 GHz overclock at 70C at load. It was idling around 45C.
This is extremely rough napkin math, of course.

Your thermal paste needs 200 hours to burn in. Once it does, temps will be better. How much better? I don't know. 1.3 core voltage is too high for 4.0 GHz. My 2500K runs 4.5 GHz with core voltage at 1.330 stable over 8 hours in prime95. I've never tested longer than that. Max temps were an average of 73.5C using core temp to monitor. This is the Hyper 212 Plus with two blade master fans in push pull. All chips will vary with core voltage but I'm sure yours will do 4.5 with aroundthe same core voltage as mine. Less volts if its a better overclocker and more volts if its worse.
post #26 of 34
Quote:
Originally Posted by dragonsamus View Post

Your thermal paste needs 200 hours to burn in. Once it does, temps will be better.
200 hours eek.gif;
Please supply data to support that claim.thumb.gif
post #27 of 34
Quote:
Originally Posted by doyll View Post

200 hours eek.gif;
Please supply data to support that claim.thumb.gif

while actic silver themselves claim that i did not notice any temperature drops after the 200 hours.

right from arctic silvers site

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post #28 of 34
alternatively right from that same guide, troubleshooting high temps lol

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post #29 of 34
@ TurboMach1,
I'm eating humble pie. redface.gif It definitely says what you said. thumb.gif
I've used AC5 many times. Temps may drop a little in first few hours but haven't seen any after that. I don't think any of the reviewers burn in for 200 hours before testing. biggrin.gif
post #30 of 34
In terms of overclocking and heat generation, the general rule of thumb is the lower the better. But I understand what you're saying about having a fixation on 60C. Generally speaking you want to keep it between Tcase and Tjunction and as close to Tcase as possible. Excessive heat, even if it is within Tjunction will, over time, reduce the life of the CPU. Semiconductors are extremely sensitive to heat.

Having said that, you could consider going to a higher RPM fan with greater CFM, but the tradeoff here would be noise. How much you can stand is down to personal choice. Some can stand a lot to get the maxium overclock for their gaming rigs. Others who use their PCs most of the time for more mundane tasks may want to keep the noise levels down. If you have the space, you could check to see if your heatsink supports a push-pull fan configuration. That would allow you to maximize airflow across the cooling fins to keep temps down while possibly sticking with lower RPM fans.

Hope this helps.

Michael
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