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I think my 3570k is running too hot?

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Last response: in CPUs
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June 26, 2012 3:41:34 AM

Hey guys
I am a bit worried about my CPU's temps. They seem considerably higher than what others report.

CPU: i5-3570k - Stock clock
Mobo: Gigabyte Z77x-D3H
Cooler: Hyper 212 Evo - Stock fan set up

The max core temps after about 2 minutes of Prime95 blend test are 72, 72, 70, 67 with the CPU fan running at max speed.
Here's the screenshot http://i.imgur.com/55AMy.jpg

Idle temps are always at 32-36c all 4 cores.

My case is mid-atx with 2 exhaust fans, one rear and one top, and decent cable management. I haven't installed any intake fans yet but I think the temps are still too high for stock frequency?
Not sure about the ambient temp but it's 8PM here and it's neither cold or hot in my room. My room is always a bit warmer than any other part of the house though, because of the comp running 24/7 and my window is usually closed because of the outside street noise.

More about : 3570k running hot

a b à CPUs
June 26, 2012 3:45:59 AM

Well, your temps are warm, but not dangerously so. Get that intake fan installed, and I bet you get better temps.
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a b à CPUs
June 26, 2012 5:16:21 AM

That's a little warm,but ivy runs hots and your temps are only hitting that high when you run Prime95 blend test correct ? If so i wouldn't be to concerned about it
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June 26, 2012 5:37:35 AM

Yea but aren't the temps abnormally higher than average though?
Most others report temps in the 60s while running Prime95.
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a b à CPUs
June 26, 2012 6:03:55 AM

I also have 3570K. The hottest temperature I have seen is 68C under Prime95 and it is a worm place. Zalman CNPS10X EXTREME. However, since you run 24/7, the entire system temperature may be a bit worm which will boost CPU temperatures so it may be OK.

Something to consider:

1. Did you apply thermal paste over entire heat spreader with thin layer? (And what kind of thermal paste)

2. Have you overclocked? (My guess is not)

3. What voltages your CPU runs at?
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June 26, 2012 6:22:14 AM

yyk71200 said:
I also have 3570K. The hottest temperature I have seen is 68C under Prime95 and it is a worm place. Zalman CNPS10X EXTREME. However, since you run 24/7, the entire system temperature may be a bit worm which will boost CPU temperatures so it may be OK.

Something to consider:

1. Did you apply thermal paste over entire heat spreader with thin layer? (And what kind of thermal paste)

2. Have you overclocked? (My guess is not)

3. What voltages your CPU runs at?


1. I just did a small pea size. I didn't manually spread it. Used the thermal paste that was included with the cooler. I heard it's a good one.

2-3. I already said in my original post that everything is stock.
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a b à CPUs
June 26, 2012 6:38:38 AM

theonix said:
1. I just did a small pea size. I didn't manually spread it. Used the thermal paste that was included with the cooler. I heard it's a good one.

2-3. I already said in my original post that everything is stock.

On 3, what I am talking about is that your mobo may be throwing a little bit higher VCore. For instance, mine reads 1.12-1.128V under prime 95. I would check your voltages. You may lower them a bit which should lower temperatures.
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