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I5 3570K 3.9-4.4 ghz with Nepton 240m: Same idle and spike temperature. What's going on?

post #1 of 5
Thread Starter 
I have different voltage settings on the steps rising up to 1.185v for 4.4 Ghz.

My problem is that the idle and spike temperatures are the same on all steps from 3.9 to 4.4Gh. 40 c idle and when Prime95 starts a constant 85 c
On 4.5 Ghz Prime95 goes into error mode and my computer restarts.

The nepton radiator never gets more than luke warm. I've cleaned, reapplied and reattached the heatsink multiple times, with very varying results.
40c is the lowest average idle temperature I've had. I've tried thermal paste in all sizes. And yes I've removed the plastic under the heatsink.

My room is constant 18-20 c.

Any ideas would be greatly appreciated!
post #2 of 5
how much thermal grease are you applying. is the pump connected? also what is the voltage at those temperatures?
post #3 of 5
Welcome to the site.

Many a thing here, first of all how is the airflow in your case? Maybe you can put a picture up and show us.

Your chip sounds similar to mine, actually very close. I have the same processor and I have mine running at 4.4 with 1.2v. I got it stable two years ago and it's still rocking today. I tried a few times to get to 4.5, but I have a wall there and I need like 1.31v to get it to not crash. I think you might have a similar wall, and if you want to get to 4.5, you have to let loose the volts.

As for the temps, they aren't too out of the normal for this chip. Mine would definitely run that hot under my big Phanteks heatsink before I popped the lid off and put some decent thermal paste directly on the chip between it and the IHS. ( Click here for the delid guide. ). Now I run at 4.4 and it won't even go above the hight 60's during stress testing. Usually games around 60c, I have the fans running nearly silent.

As long as your pump is running and your fans are spinning, you probably don't have any issues with your nepton, but if it doesn't get very warm, check the pump. Also all you need for thermal paste is a grain of rice size right in the middle of the chip, then as you tighten it down, it will spread itself according.

I'm guessing it might be airflow in your case or you might just have a bad overclocking chip. It's a lottery thing.
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The Donbot
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Crushinator
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CPUMotherboardGraphicsRAM
i5 2320 Asrock H61M-VG4 EVGA GTX 970 8gig Samsung LowPro 
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Samsung 840 Evo 250gb/WD Black 640gb Asus 24 inch (1080p) Sades Mechanical w/blues Rosewill Hive 550 
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post #4 of 5
Thread Starter 
I applied just a drop of thermal paste. Pump is running at around 2500 rpm. Voltage on high temps are 1.160v
post #5 of 5
Thread Starter 
Airflow is front-back fan at 300-500 rpm. Temperature in case is 22 c
The nepton is at the top of the case blowing air up.

I thought about delidding, and I might try it out. Just got to read up on it.

Thank you for the input and the welcoming.
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  • I5 3570K 3.9-4.4 ghz with Nepton 240m: Same idle and spike temperature. What's going on?
Overclock.net › Forums › Intel › Intel CPUs › I5 3570K 3.9-4.4 ghz with Nepton 240m: Same idle and spike temperature. What's going on?