Prime 95 torture test

sethwilliam · May 16, 2013

Is it safe? I really don't wanna burn out any of my parts when I first got them but I want to be sure everything is stable.

Someone Somewhere · May 16, 2013

Yes, though be sure to watch the temperatures using something like HWinfo or CoreTemp for the first few minutes, and shut it offf if it gets over about 75-80C.

n1ghtr4v3n · May 16, 2013

well... intel's can usually stand up 99C, 100C is your limit. most mobos automatically shut the power down. but well.... you shouldnt be over 80C even when you are stress testing. that would mean you are having problems with cooling or you are pushing too much voltage over the chip...

other than that... stress testing is totally safe.

Solandri · May 16, 2013

It's safe. You won't burn anything out. All modern CPUs have thermal throttling and thermal shutoff. If it gets too hot, it will underclock itself to reduce the heat. If it still gets too hot, the system will automatically turn off.

It didn't always used to be this way. Back in 2001, Intel first added thermal throttling. Toms Hardware made a famous video demonstrating what happens if you remove the heatsink from a running Intel CPU vs AMD CPU (which didn't have thermal protection). The original video has passed on to the great bitbucket in the sky (404 error), but someone has uploaded it to YouTube.
http://www.youtube.com/watch?v=zgwu6X-QZ7U

Anyway, CPUs don't burn up like that anymore (unless the thermal protection malfunctions). Just watch the temps while you're testing. If it starts to get too hot, you know something is wrong. Too much thermal paste or a poorly seated heatsink are the most common reasons. But don't worry about burning out your CPU - it should turn itself off long before you get to that point. About the only way it can overheat before the thermal protection kicks in is if the heatsink falls off.

sethwilliam · May 16, 2013

Or thank you guys!
I use hwinfo to monitor temps. I don't really like the layout but it shoes the core temps so that's good.
Ill do a test later today, I'm just trying to make sure the thermal paste was applied correctly because all my cores are ~30 but one is always @40-42 at idle so that's making me worried but this test will see.

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