CPU temp spikes I'm not sure if they're normal

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mitchj111

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Jan 3, 2014
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So I recently did a little upgrade to my system namely a new case, gpu and cpu cooler. To be honest I have nothing but bad things to say about my new cooler (Kraken x52) or more precisely the software they make you use. Anyway I have a 6700k and at idle I see that my temps spike up to about 50c then back down to 30c or so within a second but what has me a bit more concerned is the usage and temp spikes when doing something simple like watching a youtube video (picture attached of youtube video running). I'd just like to know if I should be concerned and what I should be doing about it.

https://imgur.com/a/d1fNV
 
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CompuTronix
mitchj111,

Core temperatures increase and decrease instantly with changes in load.

Intel’s specification for Digital Thermal Sensor (DTS) response time is 256 milliseconds, or about 1/4th of a second. Since Windows has dozens of Processes and Services running in the background, it’s normal to see rapid and random Core temperature “spikes” or fluctuations, especially during the first few minutes after startup, which should eventually settle. Any software activity will show some percentage of CPU Utilization in Task Manager, where unnecessary Tray items, Startups, Processes and Services that contribute to excessive or continued spiking can be disabled.

6th Generation processors introduced "Speed Shift"...
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CompuTronix

CompuTronix

Intel Master
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Nov 13, 2006
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mitchj111,

Core temperatures increase and decrease instantly with changes in load.

Intel’s specification for Digital Thermal Sensor (DTS) response time is 256 milliseconds, or about 1/4th of a second. Since Windows has dozens of Processes and Services running in the background, it’s normal to see rapid and random Core temperature “spikes” or fluctuations, especially during the first few minutes after startup, which should eventually settle. Any software activity will show some percentage of CPU Utilization in Task Manager, where unnecessary Tray items, Startups, Processes and Services that contribute to excessive or continued spiking can be disabled.

6th Generation processors introduced "Speed Shift" technology in Windows 10, which responds much faster to changes in workload than "SpeedStep" due to having many more Core speed and Core voltage transition levels.

Since 7th and 8th Generation Speed Shift is twice as fast as 6th Generation, some users complain of Core temperature spikes which cause fluctuations in fan RPM at idle. Motherboard manufacturers are currently developing BIOS fixes that include separate SpeedStep and Speed Shift settings with more flexible fan curves and time delay options.

Here's the operating range for Core temperature:

Core temperatures above 85°C aren't recommended.

Core temperatures increase and decrease with Ambient temperature.

Highest Core temperatures occur during stress tests, rendering or transcoding, but are lower during less processor intensive workloads such as applications and gaming. CPU workloads and Core temperatures can vary greatly between games. Idle temperatures below 25°C are generally due to Ambient temperatures below 22°C.

If you'd like to learn more, read this Sticky: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

CT :sol:
 
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