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Overclocking i7-2600k

Last response: in Overclocking
April 15, 2012 7:21:25 PM

Hey guys,

I am currently OCing my i7-2600k. Its running at 4.3GHz now, (43x Multi and 1.3v). Its pretty stable.

My concern is the temperature. Under load (when turbo kicks in) I get up to 71 degrees. I'm using prime95 and just looking at the temp straight off the mobo.

Although I dont think this is terribly bad for the CPU, shouldnt I be able to get more speed without already getting into the 70s? Or is 70s actually a bad temp?

Heres my rig:
Corsair 800D
Intel i7-2600k
16 GB Corsair Dominator RAM
Cooler Master 212+ Evo
Corsair Enthusiast AX850 PSU

Let me know if you need any other information. Also, I'm relatively new at OCing, this is only my second one. If you see anything wrong or out of place with my build or my OC please feel free to criticize me.


More about : overclocking 2600k

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a b K Overclocking
April 15, 2012 7:32:26 PM

This topic has been moved from the section CPU & Components to section Overclocking by Mousemonkey
a b à CPUs
April 16, 2012 4:54:16 AM

70 is alright, but could be lowered., however the 800D was initially optimised for water cooling. What thermal paste and how did u apply it? Make sure your 212 has proper contact with the CPU.
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April 17, 2012 11:17:24 PM

First, thank you for the response I really appreciate it.

I'm planning to have this case for a LONG time. And don't have the time to do my first water-cooling now.

I used Artic Silver Thermal Paste, but I did feel that I may have messed up the 212. I get about 27-30 degrees in normal usage, it just jumps alot when I run any stress test. (This is obvious, but it jumps more than I expect, from 27-30 to 70s)

Im just gonna reseat the cooler, thanks for the help.

a b à CPUs
a b K Overclocking
April 17, 2012 11:48:43 PM

That massive instant jump is normal. as you are looking at internal DIE temp of your core's.

I will idle at 30-35 and it will instantly jump to 50-60 as soon as i start something like P95. but will stay at that temp

I have 2x 240 RAD's and a watercooled MOBO also.

What voltage are you using @ 4.3ghz
April 17, 2012 11:49:02 PM

1.3v is too much for only 4.3ghz.
I think you will have no problems with a lower voltage.
lower voltage = lower temps
...and yes, make sure your heatsink is put on their correctly, that will make a big difference.
April 17, 2012 11:57:29 PM

AS5's does take some time to work at its best, but the difference between when you first apply to when its fully done is between 1-3 degrees, its not a lot.
a b à CPUs
a b K Overclocking
April 18, 2012 12:27:29 AM

sorry didnt see voltage in OP.

but yes 1.3 is a tad high for 4.3ghz.

im using 1.275 for 4.5ghz.