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Why am i tting bad temps on my 2600k with h70?

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March 22, 2011 12:24:20 AM

Ok well i just finished building my pc and i OC'd to 4.2 ghz with 1.3 volts on the core and when i run prime95 i get in the 80 degrees for just 5 minutes of running it why is that ?
March 22, 2011 12:35:14 AM

C or F? I would assume C but need to verify.

I clocked to 4.6 with no voltage change. Try that and also check that the fans are setup correctly. Push /pull and that the pump on the H70 is working.
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March 22, 2011 12:40:10 AM

C but im not sure what you mean by push pull im actually 13 haha ill put the voltage back its been running for about 20 minutes now with nothing over 87C and how would i check the pump? it isnt loud at all i cant really heard it running but if i listen closely i can hear it
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March 22, 2011 12:40:43 AM

z06psi said:
C or F? I would assume C but need to verify.

I clocked to 4.6 with no voltage change. Try that and also check that the fans are setup correctly. Push /pull and that the pump on the H70 is working.

C but im not sure what you mean by push pull im actually 13 haha ill put the voltage back its been running for about 20 minutes now with nothing over 87C and how would i check the pump? it isnt loud at all i cant really heard it running but if i listen closely i can hear it
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March 22, 2011 12:57:57 AM

My idle temps are in the high 40's to 50s C
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a c 102 à CPUs
a b K Overclocking
March 22, 2011 9:44:16 AM

How are your fans set up on the H70 and the case? The H70 needs good airflow of cool air through it.
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March 22, 2011 11:30:42 AM

simon12 said:
How are your fans set up on the H70 and the case? The H70 needs good airflow of cool air through it.

Hey well i just figured out i had one fan pointing in the wrong direction so it changed my temps for 45 on idle to 35 and my prime95 temps from 85 for 10 minutes to 65 for 10 minutes are they good temps? i have it set to 4.3 ghz with 1.3vcore
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March 22, 2011 12:15:33 PM

The temps are 64/67/68/70 and prime 95 has been running for an hourwhat should i do ? i think i need to replace the thermal compound because its all clumpy and some spots arent even covered
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March 22, 2011 11:23:06 PM

Quote:
What case are you running?

i am running a HAF X 942 i think its the thermal paste though so i just ordered some arctic silver
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a b K Overclocking
March 23, 2011 6:31:37 AM

the thermal compound on the h70 is actually good i think...Also you should be able to hit 4.2ghz at 1.2volts...i was able to hit 4.2ghz at 1.2volts on my i5 2500k...But my temps were at 50c avg running prime 95 torture test for about 45mins. I'm using the prolimatech armageddon heatsink with 2 140mm in pushpull setup.

I actually just did my prime 95 not to long ago here's a picture of my temps.

http://s1135.photobucket.com/albums/m633/savator80/?act...

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March 23, 2011 12:15:10 PM

Bigmac80 said:
the thermal compound on the h70 is actually good i think...Also you should be able to hit 4.2ghz at 1.2volts...i was able to hit 4.2ghz at 1.2volts on my i5 2500k...But my temps were at 50c avg running prime 95 torture test for about 45mins. I'm using the prolimatech armageddon heatsink with 2 140mm in pushpull setup.

I actually just did my prime 95 not to long ago here's a picture of my temps.

http://s1135.photobucket.com/albums/m633/savator80/?act...

Yea it should be good but i had trouble getting the h70 installed so i moved it around a bunch so the thermal paste is clumpy in some places so i just ordered arctic silver 5 but im going to change my volts to see if that helps .
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March 23, 2011 12:25:50 PM

Bigmac80 said:
the thermal compound on the h70 is actually good i think...Also you should be able to hit 4.2ghz at 1.2volts...i was able to hit 4.2ghz at 1.2volts on my i5 2500k...But my temps were at 50c avg running prime 95 torture test for about 45mins. I'm using the prolimatech armageddon heatsink with 2 140mm in pushpull setup.

I actually just did my prime 95 not to long ago here's a picture of my temps.

http://s1135.photobucket.com/albums/m633/savator80/?act...

YES i just changed my colts to 1.2 and so far temps havent gone past 58C on 100% load hopefully it will be stable:) 
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March 23, 2011 2:36:56 PM

Yeah that was what I was talking about. Push/pull on the H70 setup which you fixed and then you also changed the voltage down to 1.2V. Glad you got it fixed.
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a b K Overclocking
March 23, 2011 8:13:04 PM

kresge97 said:
YES i just changed my colts to 1.2 and so far temps havent gone past 58C on 100% load hopefully it will be stable:) 


that's awesome! I actually just tried using 1.8volts but it didn't work lol..i guess 1.2 is the sweet spot
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March 24, 2011 1:19:20 AM

Hey guys, I'm having the same problem, and I'm using the same setup an i7 2600k with a corsair H70 in a CM HAF 942 case.

At a VCore of 1.2 and a clock of 4.2 GHz I'm getting temperatures of 70C under full load, which isn't bad but is limiting my OC potential. I can get it to run stable at 5.1 GHz, but only at temperatures WAY in excess of what I'm comfortable with (95+ under load)

My push/pull setup is working, I've checked that the cooling block is in proper contact with the core, and I haven't used too much TIM.

The other weird thing is that while Cores 1, 2, and 3 all seem to be within 1-2 degrees of each other, Core 0 is always 8-10 C cooler. I know that a 3-5 degree gap can occur, but 10 seems excessive.

Am I missing something stupid?
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a b K Overclocking
March 24, 2011 1:34:49 AM

TheQ_82 said:
Hey guys, I'm having the same problem, and I'm using the same setup an i7 2600k with a corsair H70 in a CM HAF 942 case.

At a VCore of 1.2 and a clock of 4.2 GHz I'm getting temperatures of 70C under full load, which isn't bad but is limiting my OC potential. I can get it to run stable at 5.1 GHz, but only at temperatures WAY in excess of what I'm comfortable with (95+ under load)

My push/pull setup is working, I've checked that the cooling block is in proper contact with the core, and I haven't used too much TIM.

The other weird thing is that while Cores 1, 2, and 3 all seem to be within 1-2 degrees of each other, Core 0 is always 8-10 C cooler. I know that a 3-5 degree gap can occur, but 10 seems excessive.

Am I missing something stupid?


Yeah on my core 0 its alot cooler also but i think that's normal. But those temps you have seem really high especially for a sandy bridge processor. I'm not sure if hyperthreading is making your cpu run hotter. Do you have hyperthreading enabled?
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March 24, 2011 1:51:03 AM

I'm not sure why Hyperthreading would make it run hotter, but yes I have it enabled. It's really the one feature that makes the i7 more attractive than the i5.

Reading the 2600k overclocking guide here on Tom's Hardware (http://www.tomshardware.com/forum/265056-29-2600k-2500k...) the author got 5.1 Ghz at a VCore of ~1.4 and maintained sub 50 degrees under full load with what I would consider an inferior cooler.
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March 24, 2011 2:31:46 AM

Disabled Hyperthreading. Instant 10 degree drop. Also, changed the pump to the CPU fan header and the fans to the chassis fan header. Another 10 degree drop.

I can now run a 4.8 GHz overclock at 80 C under full load. Going to need to run some benchmarks to see the performance difference, with/without hyperthreading.

Still seems hot to me, but not processor-meltingly hot. Still not even close to the realm of sub 50 degree temps though.
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a b K Overclocking
March 24, 2011 2:41:44 AM

yeah im not to sure as well why your cpu temps seem high, 80c seems really high for a sandy bridge processor...do you have good air flow in your case? my temps for prime 95 at 1.2 volts at 4.2ghz is 50c average. This is using the Prolimatech Armageddon heatsink with 2 140mm 80cfm fans in push pull setup. Also i used Antec Formula 5 for my thermal compound. But the thermal compound on your corsair h70 should be good enough. I mostly game so i didn't need hyperthreading thats why i went for the i5 2500k instead of the 2600k...i'll probably be upgrading the cpu later if the ivy bridge cpu is still compatible with the p67 motherboards. From what i read it is compatible, that's also one of the reasons why i didn't get the i7. But if i were you re-check everything to see if you have your corsair h70 installed correctly and the fans installed correctly on the radiator. Also not everyone can run stable at 4.8ghz-5ghz, i'd recommend going down to 4.5ghz on the i7. Not unless your using a real watercooling system.
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March 24, 2011 3:13:33 AM

At 1.2 volts and 4.2 GHz with Hyperthreading disabled my peak load temps stabilize at 59 C, so not all that different from what you're seeing. I guess the temperature increase is pretty dramatic as the voltage increases even slightly.

For now, I'm running with the side off, as I play around with the hardware, but the airflow in there is quite good regardless. I don't think that's the issue.
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