I5 2500k poor results 4.2 ghz 71deg c

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Benrr80

Benrr80

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Apr 24, 2013
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Hi I just built a new pc I got a great deal on a BNIB i5 2500k
I have it with a Hyper 212+ push and pull using AS5
Motherboard is a asus p8z77-V lk psu is a TR2 600w with samsung 128GB SSD

Problem is even at 1.232V for 4.2 ghz the cpu temps are 71deg c after 2 hours of intel burn test. I tried different compound Gelid extreme that only cut off 1 deg c. Did i get a crappy cpu i should be running 4.5ghz at these temps.
 
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JD88

JD88

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Feb 25, 2013
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Yeah I would say that's way too much. Try just applying a small dab in between the size of a grain of rice and a pea right in the center of the CPU and then put the heatsink on. Don't spread it around or anything.

Also, is your case airflow good?
 
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Benrr80

Benrr80

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Apr 24, 2013
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I will try the pea application
Btw here is a screenshot
mytemps.jpg


I have a CM 311 case with one fan sucking air in and one sucking out right behind my heatsink with dual fans on it maybe i could use another fan in the front.
 
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Benrr80

Benrr80

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Apr 24, 2013
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Did the compound and made sure everything was tight just ran a test with side on and its still 69deg c. side off its 68 deg c i'm really not impressed. My fans aren't the same models maybe that's a problem too the 3 other fans I am using are stock CM case fans 1200rpm.
 
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Benrr80

Benrr80

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Apr 24, 2013
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Well its down 2 deg c now and i have reduced the voltage a bit but I think I should go water cooling instead of this. Does anyone have a recommendation for a water cooling solution that isn't self contained like the corsair h100. XSPC maybe ? I would feel safer at about 60 deg c or less and air just doesn't cut it.
 
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JD88

JD88

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Those temperatures really aren't all that awful. Intel burn test is extremely taxing. I highly doubt they would go even close to that high under normal gaming loads. The idle temps look alright.

What exactly are you trying to achieve? For gaming, 4.2 on a 2500k is more than enough.

I wouldn't dump a bunch of money into this. Also, your PSU is bottom tier. Some people say poor power delivery can cause higher temps. Not sure I buy into it, but it's something to try. It should probably be replaced anyway.
 
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k1114

k1114

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May 2, 2010
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Set my 2500k to 4.2ghz 1.21v 212+ stock fan/paste, similar room temp, ibt highest hit 70C, games are around 50C. I really don't use ibt, I prefer prime which only hits ~60C. Mind you this rig is now over 2 years old and hasn't been cleaned for some months so has some dust buildup.
 
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Benrr80

Benrr80

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Apr 24, 2013
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This PSU is garbage fan is already making noise after 16 days so I will replace it with a quality unit. This computer is for gaming and HTPC usage its an upgrade from my old E8400 dual core.
 
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CompuTronix

CompuTronix

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Nov 13, 2006
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Benrr80,

It's possible that the "pull" fan of your push / pull configuration on your Hyper 212+ is installed backwards. It's an easy mistake to make which will result in the thermal conditions you've described. Check the pull fan to make sure that it's rotating opposite to the push fan, and that the airflow is forceful.

Also, when testing processor temperatures, the standard is Prime95 Small FFT's, which is a steady-state 100% workload that yields steady temperatures. Thermal saturation is typically reached within 7 to 8 minutes, so a 10 minute test is adequate. For long-term stability testing a 12 hour run is appropriate.

Utilities such as BurnTest and OCCT run Linpack, which intermittently loads all registers with all one's (115% workload) and yields fluctuating extreme temperatures. While this is useful for short-term stability testing, Prime 95 Small FFT's is the standard for thermal testing. The best Core temperature monitoring utility is Real Temp 3.7.

Intel's spec's for your 2500K are as follows:

Standard Ambient 22C
Tcase (CPU Temperature) 72C
Tcase to Tjunction Offset + 5C
Tjunction (Core Temperature) 77C
Tj Max (Shutdown Temperature) 98C

Hope this helps,

Comp :sol:
 
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