4670K + water cooling temperature question

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dropshot

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Sep 3, 2013
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I have a 4760k with a Corsair Hydro Series H60 cooler on a Asus Z87 Deluxe. I overclocked it to 4.2 on 1,25v. When I play FFXIV ARR for one hour my max temp reaches 75 degrees.The idle temp is 33-35. The load temps seems somewhat high to me.. When I try a stress test (Prime or Aida) my temps rises to 80+ within a few seconds..

Are these temperatures normal? Could it be that I didn't placed the cooler correctly? Or do I need to put more thermal compound on the CPU?
 
Solution
markwp
The individual core temps will vary due to placement of the sensors. The reading you want to follow is the package temp (overall as you call it).

Mark
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markwp

markwp

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Jan 22, 2013
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Haswell runs pretty hot, but you might have an issue with the TIM depending on the way you applied the material. For these cpus, Intel did a pretty crappy job on the internal heat sink solder from die to lid, so you need to be very careful with the mounting of your cooler. I personally use the credit card method for high heat cpus to ensure COMPLETE EVEN coverage.

What happens to temps if you drop your core to 1.2v?
 
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dropshot

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I covered the top of the CPU with Artic Silver using a card. The layer was very thin, I heard that this is ok. I tried to drop the core to 1.2, but I get BSOD 124 almost right away when I put the CPU under load.
 
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markwp

markwp

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Thin is good on TIM. Remember that Haswell is 84w TDP and o/c will crank the temp quickly. Most reports show Haswell running high 60's to low 80's under load. While your temps are, IMO, somewhat high, I don't think they are completely out of line.

Do you have the H60 fan(s) connected to the cpu fan header? If you connect the pump to a regular fan connector (set to max in bios) and run the fans from the cpu header, try using MSI afterburner to set a custom fan curve. Also, the H60 fan is not real efficient - you might want to look into a push/pull or a higher volume single fan.

Mark
 
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dropshot

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I will try set the fan to max in the bios and to lower the voltage. Is 30/33 normal on idle with my voltage? I still can return my chip and get another one, this is because I bought it last week. What is the advise, shall I switch it for another CPU?
 
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Denis Atmaca

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Sep 1, 2013
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BTW, what is de credit card method for placing the cooler? Or do you mean that use this method for applying the termal paste?
 
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Denis Atmaca

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Sep 1, 2013
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I just checked my temps at 4,2 @ 1,2v. The idle temps are different for all cores.

Core
#0 = 35c
#1 = 29c
#2 = 28c
#3 = 27c

All the cores run on the same clock. Could this indicate that I maybe need to check if the cooler covers the complete surface of the CPU?

P.S i'm the TS, for some weird reason the website logged me in with my facebook account now...
 
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markwp

markwp

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Jan 22, 2013
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33 is a great idle temp.
Put the pump on a chassis fan header and set that in bios to max. Put the fan on the radiator on the cpu header and use MSI afterburner to set a custom fan curve that increases fan speed as heat rises.

Mark
 
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dropshot

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Sep 3, 2013
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Thanks, will try it when I get home. Just one more question. I lowered my voltage to 1.24v and got the 4,2 clock stable. I checked my temps after 2 hours of load testing in Aida64. There are 5 temp readings. One for each core and one CPU reading. Which one is leading to determine the allround temp? Is that the highest temp one of the cores or is that the CPU reading in AIDA64? The maximum on one of the cores is 70, but the CPU overall reads 62 in AIDA. Does that means that my CPU is 70 or 62 degrees?
 
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dropshot

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Sep 3, 2013
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Thanks allot for your answers :) 62 isn't so bad at all, so I guess there is nothing wrong with the cooling. I will try to connect to pump to the chassis fan header top see if I can lower the temps even more. With 62 I have enough headroom to clock it more in the future.
 
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