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Could this be dangerous for my i7?

post #1 of 4
Thread Starter 
I have my i7 2600k set up so it does some voltage stepping (using the Asus p8p67 pro board). Essentially the two settings it generally jumps between is 1v @ 1.6GHz (idle), and 1.36v @ 4.5GHz (stressed, sometimes it goes to 1.32 sometimes 1.36).

Anyways, the issue (not sure if it's an issue):

When I watch my CPUID Hardware Monitor temps, if I start up a program (say, a windowed game of Starcraft 2), my temps will immediately jump by 15-20 degrees celcius as my processor shifts to 4.5GHz. I'm talking literally within 1 second of turning on SC2 or any program which ramps the speed up. When the processor goes back down, because my cooling is relatively decent, my temps drop at exactly the same rate (they just gun way down over one second).

The same thing happens when I test using prime95 (but the temps literally shoot from 28 celcius to 58 celcius immediately when I turn prime95 on). It's basically instantaneous. Then the temps rise by 2-4 celcius more and then sit at about 60-61 celcius until I turn prime95 off (they gun back down after).

Now, this is definitely happening based on the way the voltage is shifting so quickly (since if I do a 24/7 overclock of 4.5GHz, my temps shift slower according to HWMonitor).

What I'm wondering is if these quick shifts in temperature are actually going to cause my processor to possibly break? Would a 15-30 degree celcius shift occurring repeatedly on the processor (within a very very very rapid period of time), be something to worry about? If so, I'll probably change my OC.
    
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post #2 of 4
If you don't like it, I think turning off speedstepping would help. It stops the multi from doing x16 idle x45 load.

Your idle temps will be higher however.
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i7 2600k @ 4.8 GHZ Gigabyte P67A-UD5 B3 EVGA 560 ti Corsair Vengeance 8GB 2X4GB 1600 CL9-9-9-24 
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i7 2600k @ 4.8 GHZ Gigabyte P67A-UD5 B3 EVGA 560 ti Corsair Vengeance 8GB 2X4GB 1600 CL9-9-9-24 
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post #3 of 4
Theres no need to panic,as long as temperatures are not above your max for your processor.Overclocking/temps will shorten the lifespan but only marginally,i'm pretty sure it'll last as long as you need it and beyond.
post #4 of 4
Thread Starter 
I don't think my point has been made clear: I'm not worried about the maximum or minimum temperatures (as they are quite good with 62 celcius being an absolute max on prime95 at 4.5GHz and 1.32v).

What I'm worried about is the very quick temperature fluctuation. Rudimentary science: Expansion/contraction occurs when temperatures change. Although it would be very minor with a processor, if it's happening more than it should, that's not good. And the temperature change is so quick and by such a large number (15-30 celcius within 1 second), I would think it might not be good.

I guess I'm answering my own question, but I hoped someone was very knowledgeable on the matter.
    
CPUMotherboardGraphicsRAM
Intel i7 2600k Asus P8P67 Pro Sapphire 5770 1GB 8GB 1600MHz G.Skill 
Hard DriveOptical DriveOSMonitor
1TB WD Blue SATA3 CD/DVD & Bluray Windows 7 27" BenQ 
KeyboardPowerCaseMouse
Das Professional 850W Silverstone Strider NZXT Phantom (Black) Rat 7 
Mouse Pad
Steelseries SX 
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CPUMotherboardGraphicsRAM
Intel i7 2600k Asus P8P67 Pro Sapphire 5770 1GB 8GB 1600MHz G.Skill 
Hard DriveOptical DriveOSMonitor
1TB WD Blue SATA3 CD/DVD & Bluray Windows 7 27" BenQ 
KeyboardPowerCaseMouse
Das Professional 850W Silverstone Strider NZXT Phantom (Black) Rat 7 
Mouse Pad
Steelseries SX 
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