Unstable temperature reading

[hucker]

On an old laptop (Intel core i3 M350 4 core CPU), Tthrottle is showing temperatures fluctuating between 70 and 84C in the space of half a second.  Is this normal?  If a part of a CPU was really changing temperature that fast surely it would fall to pieces with thermal stresses?

Here is the output from MSI Afterburner showing the 5 sensors, CPU and core1-4, and the CPU usage.



Isn't this very bad for the CPU?  For now I've turned tthrottle off, and look what happens:



I don't even understand what's happening, surely without throttling, doing more work, it should be hotter now?!

[fred]

TThrottle reads the internal CPU sensor, 14 degrees is a lot, but might be normal.
Go to the Temeratue tab, on the left is the measured temp, the second is the average temp.
On my own CPU is see the same thing, I should get worried if it goes above 100C.

[hucker]

I was worried about thermal stresses.  I've stopped using tthrottle and just allowed the CPU to throttle itself.  the Reason I was avoiding this is that particular laptop only throttles at 100 or 50% and nothing in between so it's not doing as much as it could be