I'm getting very worried about the Current CPU Temps.

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Leadbelly78

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Aug 27, 2014
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I'm getting very worried about the Current CPU Temperatures.
After I started using the program, CoreTemp, I noticed that the temp's got very warm very fast.

fvOx6kW.png


How worried should I be or are these temperatures normal?
If they are way too hot, what should I do?
Remove the Waterblock, add a different type thermal paste or change all of the fan's?

 
Solution
mctylr
The CPU temperature can be measured in reference at two different points, one is at CPU core itself, this is called T[sub]junction[/sub] at the hottest point. The second reference is T[sub]case[/sub] which is measured at the chip's Integrated Heat Spreader (IHS), basically the cover part nearest the heatsink. Since T[sub]junction[/sub] is measuring from the CPU core itself, this measurement will be higher than the T[sub]case[/sub].

I mentioned this because if the T[sub]case[/sub] limit is 72 degrees, then the T[sub]junction[/sub] cannot possibly be 67 degrees maximum for the i7-4770K. Looking at the processor datasheet (Table 22), the T[sub]junction[/sub] Max is 105 degrees Celsius, so that is the critical upper limit.

The Mersenne prime tester...
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ahall1

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Jul 22, 2014
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The maximum operating temperature for that cpu is 67 degrees celcius, Normal temperature is 55 - 65 degrees while not idling. If it is at this temperature while idling, I would recommend checking the thermal paste on your cpu.
 
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Leadbelly78

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I just bought the High Performance Liquid CPU cooler and I know I added the best Thermal Paste I could find. I'd rather not go through the whole process of removing everything..again but if it keeps my system cold I'll be happy to.
 
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Benab3

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Before you do anything try a different temp monitor as I have heard that some show innacurate readings, also how hot does the cpu get under 100% for a few mins? But other than that I would try re applying things like cooler and thermal paste. Good luck :)
 
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mctylr

mctylr

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Dec 21, 2010
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For the Core i7 4770K Intel ARK has the T[sub]case[/sub] listed as 72 degrees Celsius.
 
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mctylr

mctylr

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The CPU temperature can be measured in reference at two different points, one is at CPU core itself, this is called T[sub]junction[/sub] at the hottest point. The second reference is T[sub]case[/sub] which is measured at the chip's Integrated Heat Spreader (IHS), basically the cover part nearest the heatsink. Since T[sub]junction[/sub] is measuring from the CPU core itself, this measurement will be higher than the T[sub]case[/sub].

I mentioned this because if the T[sub]case[/sub] limit is 72 degrees, then the T[sub]junction[/sub] cannot possibly be 67 degrees maximum for the i7-4770K. Looking at the processor datasheet (Table 22), the T[sub]junction[/sub] Max is 105 degrees Celsius, so that is the critical upper limit.

The Mersenne prime tester Primes95 running in its torture test mode is an easy way to utilize all available CPU cores available capacity. It also runs in a regular window making it easy to watch the Core Temp reports while it is running.

It is not unusual to see T[sub]junction[/sub] temperatures up to around 70-80 degrees on a busy system with stock cooling. Any Haswell processor when idle should be near to ambient temperature within the case, which is often near 30 degrees in many desktop systems in a room that is near 20-25 degrees Celsius ("room temperature" in most homes/offices in North America/Europe).
 
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Solution
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Leadbelly78

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Aug 27, 2014
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Already did everything looks just fine.
I removed the Thermal Paste, then added a different one and checked the Temps again, it basically stayed the same.:(
I might need to change the CPU cooler.
 
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