How long do i need to run prime95 to make sure cpu is stable?

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jldk6

jldk6

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May 12, 2014
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Just as the title says i just got a new heatsink and want to overclock but can someone tell me how long i need to run prime95 to guarantee a stable cpu?
 
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mlcaouette
For general stability 2 hours of prime is sufficient, but that isn't going to guarantee you a crash free system.

If you want to be closer to 100% stable I would say 8-12hrs prime as well as at least a couple hours with some different stress tests such as intel burn test, OCCT, LinX, etc. Plus you need to do some real would tests i.e. gaming, multitasking, watching videos. If you experience no crashes during all of that you can be very competent that your overclock is stable.
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mlcaouette

mlcaouette

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Apr 25, 2011
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For general stability 2 hours of prime is sufficient, but that isn't going to guarantee you a crash free system.

If you want to be closer to 100% stable I would say 8-12hrs prime as well as at least a couple hours with some different stress tests such as intel burn test, OCCT, LinX, etc. Plus you need to do some real would tests i.e. gaming, multitasking, watching videos. If you experience no crashes during all of that you can be very competent that your overclock is stable.
 
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