Are these CPU temps normal? (RealTemp)

Anxt · Jul 18, 2015

I have an i7 2600k with a closed loop for cooling, used the Real Temp sensor test, these are the results.

http://i.imgur.com/6RuDxZd.png

This is also what it looks like under slightly higher than idle load.

http://i.imgur.com/OGXJCCa.png

I'm not entirely sure how the "Distance to TJ Max" works, so could some shine some light on that for me, Thanks!.

Edit: I should add that the CPU is near 6 years old so not entirely sure if that would play a part.

clutchc · Jul 18, 2015

Temps are OK, but idle seems a bit high. Using the sensor test is not a really accurate way to test temps though. Best to run Prime95 or some other CPU stress test and get your load temps from that.

peckerino · Jul 18, 2015

Distance to TJ (thermal junction) max is the distance to the highest safe operating temperature. In other words, if your temp is currently 40C and distance to TJ max says 40C, then if your CPU goes over 80C it will have a thermal shutdown. These are arbitrarily chosen values, not actual maxes as a CPU can typically get much hotter than 80C before a thermal shutdown occurs.

velo3100 · Jul 19, 2015

Your idle temps are slightly higher than the normal.

CompuTronix · Jul 19, 2015

Anxt,

Use Core Temp as it's a more simplified monitoring utility: http://www.alcpu.com/CoreTemp

TjMax is NOT the highest safe operating temperature. It is far too high for sustained operation.

TjMax is the less significant of Intel's two Thermal Specification. TjMax is the Core temperature at which the processor will "Throttle" for thermal protection.

TjMax for your i7 2600K is 98C, so if Core temperature is 70C, then the distance to TjMax is 28C.

TjMax (98C) minus Core temperature (70C) = distance to TjMax (28C).

Regardless, don't get stuck on distance to TjMax. It's just a means to express how much thermal overhead remains until throttling occurs.

Also, don't get stuck on idle temperatures. Load temperatures are critical.

Here's the normal operating range for Core temperature:

80C Hot (100% Load)
75C Warm
70C Warm (Heavy Load)
60C Norm
50C Norm (Medium Load)
40C Norm
30C Cool (Idle)

Mid 70's are safe.

This is what you really need to know:

Intel's more significant Thermal Specification is "Tcase", which is CPU temperature, not Core Temperature; there's a difference. Tcase for your i7 2600K is 72C: http://ark.intel.com/products/52214/Intel-Core-i7-2600K-Processor-8M-Cache-up-to-3_80-GHz

Core temperature is 5C higher than CPU temperature due to the differences in sensor type, location and calibration. Tcase + 5 makes the corresponding Core temperature 77C. <--This is your spec.

Intel desktop processors have thermal sensors for each Core, plus a sensor for the entire processor, so a Quad Core has five sensors. Heat originates within the Cores where Digital sensors measure Core temperatures. A single Analog sensor under the Cores measures overall CPU temperature.

The relationship between Core temperature and CPU temperature is not in the Thermal Specifications; it's only found in a few engineering documents. In order to get a clear perspective of processor temperatures, it's important to understand the terminology and specifications, so please read this Tom’s Sticky:

Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

Section 13 discusses idle temperatures.

CT :sol:

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Are these CPU temps normal? (RealTemp)

Anxt

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CompuTronix

clutchc

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peckerino

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velo3100

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CompuTronix

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