CPU Fluctuations during full load

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AimItUpUrs09

Honorable
Jan 10, 2014
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Hey guys,

So I have been trying to overclock AMD FX-8250 and I have noticed something I think is unusual but may be nothing... I am using prime 95 to stress test my CPU and during the test I notice that my cores are fluctuating their multipliers from 20 - 7... So from running 4.6-1.6ghz...they all are doing this flickering from 20 - 7 and back...the temps are fine cores being 42'c and socket 67'c...is this normal?

Also, has anyone had experience with the temps peaking after about two minutes and then as the test continues they lower and balance out? When I say peak I mean core at 53 and socket at 72 then dropping to the previously mentioned temps?

Someone please tell me I am not crazy to be worrying about that!

CPU: FX-8350 4.6ghz @ 1.41V
MB: ASUS M5A99FX Pro
Ram: 2x4gb 1866 G. Skill Sniper
 
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ingtar33
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ingtar33

ingtar33

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Dec 17, 2012
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piledriver suffers major temp spikes like you're talking about. But the problem you're talking about is called throttling. Your cpu is temp throttling which is why the multiplier is jumping all over the place. At this point i wouldn't trust your cpu core temps as accurate, the socket temps are telling the story.

At 72C on the motherboard socket temp asus motherboards will throttle back your cpu. This is what's happening to you.

There are some low tech (inexpensive) ways to figure out what's overheating. First pop the side of your case off and stick a room fan in the openning. we'll see if you have an air circulation issue in your case causing the high temps. See if your system will continue to throttle when you're doing this. if the problem goes away we'll have to work on the airflow within the case.

If the problem remains we'll have to examine your cpu cooler, how it's attached to the cpu AND how it's working. your voltages are pretty low, so you shouldn't be having these temp issues.
 
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