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Huge temp drop instantly after prime95 ends

Last response: in CPUs
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January 21, 2013 10:39:10 AM

I've been running my i5 3570k at stock but I'm keeping at eye on temps and stuff, will probably overclock some day.

I wa running prime95 for a few minutes and my temps hit 55c, ended prime and teps droped almost immediatly to about 32c.

Is that normal? I'm only on air cooling using an artic cooler 13. It was the cheapest I could find with decent reviews. I can't believe it can disapate that much heat so quickly, can it? Or am I missing something?

a c 185 à CPUs
a c 150 K Overclocking
January 21, 2013 10:40:13 AM

It's fine, Prime loads your CPU, when it's not loaded of course your temps are going to drop.
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a c 114 à CPUs
a c 176 K Overclocking
January 21, 2013 10:42:58 AM

Thats normal, Prime stresses the CPU as hard as it can, soon as you stop the torture test it will decrease the heat output of the CPU. Leading to lower temps, quite quickly.
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January 21, 2013 12:45:56 PM

Yea it's normal... consider how much metal is in your cooler compared to how much is in your CPU and that is how the heat transfers so quickly.
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January 21, 2013 1:44:47 PM

Be concerned if they ramp up fast, when I hit mine it takes 1min+ to go up 10c and creeps from there, but only a few sec to drop back, if it zooms to your max temp in ten secs you've got a problem
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January 23, 2013 4:30:58 AM

scottfree1 said:
Be concerned if they ramp up fast, when I hit mine it takes 1min+ to go up 10c and creeps from there, but only a few sec to drop back, if it zooms to your max temp in ten secs you've got a problem


Hmm, my i5 2500k OCed to 3.9ghz w/ stock air cooling has the problem of zipping up to 70-80c in about 10 seconds. System has been stable under normal gaming and big-data use, but after OCing it and testing with prime95 I saw the temps skyrocket and noped right out of the test after a few minutes. What potential problems result in danger-zone temps under max-load?
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January 23, 2013 4:35:09 AM

I'd say re-seat/re-paste your cooler, it should have better "retardation"is that a word? But I would check it temps up really fly..
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January 23, 2013 4:41:23 AM

I'm running amd so take that into account that I'm not testing similar hardware but my 955be @ 3.6mhz just took 45 secs to go from 40 to 50c using everest stress test..
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