Should i redo thermal compound?

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Vesthardt

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Aug 7, 2014
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My i5 4670k runs at 38c IDLE with no OS installed, just looking at the bios. What may be causing these temps? Rig:

I5 4670k
Cooler master hyper 212 evo
Gtx 770
Msi z87-g45 gaming
2x8gb DDR3 ram

Case cooling:
I have more exhaust than intake. I have 1 200mm intake, 1 200mm exhaust and 1 120mm exhaust, plus the psu faced downwards (as usual)
 
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InvalidError

4.4GHz is at the (very) optimistic end of first-gen Haswell overclocking without some extreme power and cooling.

The conventional way to OC is to find the highest speed the CPU will be stable at using stock voltage and alternate between bumping the multiplier then bumping voltage either until the CPU becomes stable or you reach the maximum voltage you are comfortable with.

Sometimes though, there are chips with a "dead zone" - a multiplier range where the chip is nearly impossible to stabilize at but works if you just skip over it. Ex.: 4.3G-4.4GHz won't work but 4.5-4.6GHz...
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sgtmasterD

sgtmasterD

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Aug 3, 2014
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try using prim95 if you have install a ios and see if you go over 72 c then you need to repast and maby change you fan setuphttp ://www.google.nl/imgres?imgurl=http%3A%2F%2Fwww.extremetech.com%2Fwp-content%2Fuploads%2F2012%2F05%2FAir-flow.png&imgrefurl=http%3A%2F%2Fwww.extremetech.com%2Fcomputing%2F128313-extremetechs-guide-to-air-cooling-your-pc&h=750&w=750&tbnid=ghjTqLhlPPjULM%3A&zoom=1&docid=OdCcyb-aisORQM&ei=b-vjU-rqFcHROcSVgFA&tbm=isch&ved=0CDQQMygTMBM&iact=rc&uact=3&dur=2006&page=1&start=0&ndsp=22
this is a normal fann setup if you have somting like this you shoud be fine
 
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Obnoxious

Obnoxious

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Jul 24, 2012
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Your temperatures seem perfectly normal, you don't have to worry about them. Once you load into your Operating System and are idle, you should find that the temperatures are relatively the same; the OS on idle doesn't cause temperatures to increases dramatically.

As mentioned when your CPU is under full load, as long as it doesn't surpass 72 degrees Celsius you're fine. 72C is the i5-4670K's maximum operating temperature. To be honest you shouldn't reach close to 70C when under load especially more so with a Cooler Master Hyper 212 Evo.

To conclude you don't have to worry about your temperatures, on idle your CPU is running at a satisfactory temperature.

All the best. :)
 
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InvalidError

InvalidError

Titan
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May 18, 2007
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Temperatures in the OS should actually be lower since the BIOS usually runs a busy-loop at stock-clock or whatever OC you set it at waiting for user input instead of rolling back clocks, voltages and sleeping like the OS does... so the CPU in BIOS will be using ~10W but likely less than 5W idle in the OS when all power management features are enabled.
 
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Vesthardt

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Aug 7, 2014
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Okay so now I got my OS installed and I went to overclocking. At stock speeds I reached about 68-70 degrees with prime95 torture test, and now I really see that there must be something wrong. Either I really suck at overclocking, or I might have to relocate my cooler. I actually did redo my thermal compound and it did nothing. So now at stock settings, except bumped ratio to 40, I run up to ~90 degrees. Something is wrong.
 
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InvalidError

InvalidError

Titan
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May 18, 2007
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Yes, that does look fairly toasty for stock clock and presumably stock voltage on a 212EVO.

Assuming you did everything right on your end, there is a slight possibility your 212's heatpipes might be defective. Another possibility is that you may have been specially unlucky with the chip lottery.
 
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V

Vesthardt

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Aug 7, 2014
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Yea, cause i crash at 4.2 Ghz @ 1.225 vcore. So i was unlucky with chip i guess?
 
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InvalidError

InvalidError

Titan
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May 18, 2007
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Sometimes, less is more.

Did you jump straight to 1.225V or did you get there in increments? If you jumped, you may have missed the sweet spot.

Disabling adaptive voltage in the BIOS might help but will cause the CPU to run hotter unless you are able to lower core voltage after this.
 
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V

Vesthardt

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Aug 7, 2014
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No, i did a little jump. I will try somethimg new. My desired ghz is 4.4, so i will set that. Then start at stock voltage and take up by .05 every time?

 
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InvalidError

InvalidError

Titan
Moderator
May 18, 2007
23,815
5,265
108,890

4.4GHz is at the (very) optimistic end of first-gen Haswell overclocking without some extreme power and cooling.

The conventional way to OC is to find the highest speed the CPU will be stable at using stock voltage and alternate between bumping the multiplier then bumping voltage either until the CPU becomes stable or you reach the maximum voltage you are comfortable with.

Sometimes though, there are chips with a "dead zone" - a multiplier range where the chip is nearly impossible to stabilize at but works if you just skip over it. Ex.: 4.3G-4.4GHz won't work but 4.5-4.6GHz mysteriously does. So you could try skipping some multipliers and see if you get better luck elsewhere.
 
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