My 4770k is running really hot, help?

[torchmedia]

I followed the OC3D video guide on overclocking, here is my rig:

Define R4 case with 2 stock fans + 1 NF-F12
Gigabyte Z87X-UD3H
i7 4770k
Corsair H100i water cooler w/stock Corsair fans
32gb RAM at 1600MHz

I have RAM set to stock settings

CPU set at:
vCore 1.175 volts
Core and turbo clocks set to 4.3GHz
Turbo enabled
Loadline calibration - Extreme
C1e,c3, c6/c7, termal monitor, EIST all disabled

CPU-Z shows voltage and core settings are correct

Running OCCT on linpack with AVX turned on

OCCT fails after 5-8 minutes because of overheating. Last time Core 1 reached 81 degrees.

I do have 3 more NF-F12's on order that will be in within a few days, will they help at all?

I also used the stock thermal paste on the H100i.

Any advice, or suggestions to get my temps down? Thanks.

 

[barnsley]

got any more thermal paste? If so reseat the cooler.

Also, how did you put your thermal paste on?
I also presume you did the OC gradually but just on the safe side, did you?

 

[torchmedia]

The thermal paste was applied to the H100i heat sink from the factory. I don't have any additional on hand, but I can try to get my hands on some?

 

[tinytomlogan]

what are the fans set to in corsair link

what temps do you get without AVX?

 

[torchmedia]

I've since dropped back to 3.9GHz until I get this sorted out.

Here's where it's at right now, with and without AVX:

3.9GHz
vCore 1.092

71 degrees max w/ AVX
58 degrees max w/o AVX

Does that still seem quite high?

what are the fans set to in corsair link

ahh.. no corsair link installed.

 

[tinytomlogan]

ahh.. no corsair link installed.

So what speed are you fans at then? and if you just say I dont know they are on my mobo Im going to laugh

 

[Ghosthud1]

Whats the orientation of your h100i? i had the same issue with it hitting a group of capacitors

Just observe were the thermal paste has spread on the cpu when you remove the h100i block from the CPU.

If thermal paste hasn't covered 75% of the cpu you have a mounting issue and you need to tighten each screw equally.

remember the CPU die is a smaller rectangle below the heatspreader on the CPU's pcb, make sure thermal paste is covering this area most importantly.

 

[torchmedia]

Whats the orientation of your h100i? i had the same issue with it hitting a group of capacitors

Just observe were the thermal paste has spread on the cpu when you remove the h100i block from the CPU.

If thermal paste hasn't covered 75% of the cpu you have a mounting issue and you need to tighten each screw equally.

remember the CPU die is a smaller rectangle below the heatspreader on the CPU's pcb, make sure thermal paste is covering this area most importantly.

h100i is mounted to the roof and the fans are installed as pull. I actually had to mount the h100i one screw hole to the right to ensure there was proper clearance, so nothing is touching. I'm a bit afraid to unmount it as I don't have any extra thermal paste on hand right now.

So what speed are you fans at then? and if you just say I dont know they are on my mobo Im going to laugh

Just installed the link software and restarting the test.. will report back. And no, the fans are plugged into the corsair fan header.

 

[torchmedia]

10 minutes into a test with AVX on again:

Max CPU temp is 70 degress
h100i temp says 30.1
Both fans running at around 1300rpm

 

[Ghosthud1]

just remember the corsair logo on the h100i has to be up right or upside down, it cant be 90* clockwise or counter clockwise.

the groves outlined are there to stop it hassling near cpu socket capacitors.

Other than that, just check your fans and pump in the corsair link suite.

 

[torchmedia]

I'm going to pick up some cheap thermal paste locally and try re-mounting while I wait for some arctic silver to arrive by courier.

//---------------------------------------

Update.

Installed the remaining 3 NF-F12 fans, applied Arctic Silver 5 paste and re-ran test just now.

At 3.9GHz with vCore at 1.09 I am getting the following:

with AVX:
Fans running at ~800rpm
H100i holds steady at 30 degrees
CPU reaches 80 degrees within a few minutes

without AVX:
same results, except CPU temps are around 71-72

Do you guys find this acceptable? I was really hoping to get up to 4.3GHz

BTW, my uncore is set to 3.5 still which is a tiny bit less than 8/9ths. Should I adjust this?

Edit: I've also just noticed that there is a 9 degree difference between cores 1-4 as I am running the current test. 70 - 68 - 64- 61. Could this mean I have my paste off slightly, or too much/too little on one end of the vertical line?

//---------------------------------------

Update 2:

After reading several other threads re: Haswell & AVX Linpack, I've concluded that it's OK to do my OC testing with it off. SO, I've run through the slow build-up process again and I am currently stable with the following:

4.3 GHz
vCore 1.145
Max temps per core:
80
76
71
69

Should I attempt to push this CPU any further?
Are there any other settings I should be adjusting, like ring voltage etc?
Does anyone feel that this is running too hot for the results??

Thanks guys