Prime95 strange temp readings?

Kingbob

Honorable
Apr 30, 2013
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I think that I am stable at 4.6GHz 1.375v (49C).

The only problem is that for some reason, after around 1-2 minutes of prime, my core temps go way down to about 32c as if my CPU stopped working, however prime still thinks it's running the test. Could it be that an increase in voltage would stabilize it, I suppose I can definitely afford to use more. Also, would I benefit if I increased my "CPU/NB" voltage? I heard somewhere I would.

I have a 8350 with an ASUS 990FX PRO R2.0 and a 850W PSU with a dual 120, liquid cooled rad.
 
Solution
I don't think the CPU is partially shutting down if it is running under load ( Especially Prime95 ). I'm inclined to think it may be a sensor thing.