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6 hours Prime95 and IBT, stable? -1090T - Page 2

post #11 of 30
For me I've gone 6 hours through P95 and suffered later. 8hours usually was the point I found good enough. 12 hours appears to be the in recommendation again though.

My thing is that I'm often just able to tell when my OC isn't up to spec when I run a game or something pretty intensive like transcoding and compare how it acts OC'd compared to stock. Big pointers of unstable OCs were disc burning problems (DVD drives would act erratic), strange audio issues in games, odd ping patterns (stock would be between 30-50 whereas the unstable would often double this often fluctuating on extreme highs and lows), online game that when other's speak they're sounding like another language(and not a real one). My favorite for a while was running handbrake and giving it realtime priority and set it to the max quality settings for an upscale of a movie (usually the Matrix). If the FPS were better than stock and it didn't crash then I was good.

But failing P95 after 6 hours is either an unstable OC and/or bad cooling. You can't ignore either.
     
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post #12 of 30
Quote:
Originally Posted by cook View Post
No wonder these Intel guys are getting chip degradation, 36hrs of solid stress testing is like the equivalent of 1 year of normal use, or 3 months of heavy gaming.
I agree. It's unnecessary
post #13 of 30
Quote:
Originally Posted by cook View Post
No wonder these Intel guys are getting chip degradation, 36hrs of solid stress testing is like the equivalent of 1 year of normal use, or 3 months of heavy gaming.
So only intel guys are stress testing their hardware properly.

Only intel guys are getting chip degradation eh?

LOL.
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post #14 of 30
8-12hrs of Prime95 Blend is enough imo.

20hrs or more of stress testing are unnecessary.
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post #15 of 30
Quote:
Originally Posted by MrTOOSHORT View Post
Shut down @ 6 hours?

Stable enough. Why test to 12 hours when it can fail @ 13 hours?
Shut down at 6 hours or 13 hours = Fail. Unstable.
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post #16 of 30
Quote:
Originally Posted by Firebeard View Post
i dunno about you guys, guess im just lucky? but i have my oc 4.0ghz and NB at 3000ghz all stable, i only ran prime for one hour on blend all stable, been using for months on and gaming, etc, had no problem, typically use my computer like 10 hours a day if that helps? :S
No luck about it. You have a crosshair 4 and a 1090T.

My grandma could get that stable at 4Ghz.

Jokes.
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post #17 of 30
I ran my stability tests last week, 20 IBT runs max mem passed but Prime failed at 22 hours and that was unstable. A small vcore bump fixed instability and next run it passed 32 hours *fells asleep and forgot to turn it off* and IBT with 30 runs to be sure.

Most people who call their system stable after anything under 12 hours probably something like 90% stable. The great thing is they might never crash or BSOD for months or years on only 6-12 hours stable runs.. I always choose minimum 24hours for as much stability as possible without going nuts and doing stuff like 72hours.

Everyone has different needs and 6hours of Prime could mean it's stable enough for gaming and everyday usage but maybe not stable enough for stuff like folding.
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post #18 of 30
For me passing 12+hrs of Prime blend is stable for everyday use. Anything less than that you can't really be sure that it is stable.

If your computer shutdown after 6 hours then it's not stable. Check to make sure that it didn't shutdown due to heat, and try upping your vcore by a notch and start over with a 12+hr Prime95 blend test.
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post #19 of 30
Stability is based on what your needs are and varies from user-to-user due to ambient conditions and system configuration...

If you're going to be folding, then your CPU must be able to hold-up to constant full load. If you get instability issues with this task, then the overclock has to be changed.

If you're going to be using the computer as a general-usage system (mixture of gaming, internet browsing, etc.), then it has to be stable enough to not crash during these time-frames.

This is the problem with defining what's stable. Most just view that putting it in the most extreme form of stressing (in this case, folding or crunching prime numbers) is the way to see if a system is stable, but all it generally means is that a system is stable for a certain amount of time through variable ambient conditions with a specific configuration (yes, having a different motherboard or adding an extra amount of RAM defines a unique system configuration).
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post #20 of 30
Quote:
Originally Posted by cook View Post
No wonder these Intel guys are getting chip degradation, 36hrs of solid stress testing is like the equivalent of 1 year of normal use, or 3 months of heavy gaming.
No.
Chips don't degrade that fast.
An unstable machine is more likely to degrade over time than running many hours of stability test.
Also, 12 hours is enough for me. Ideally, P95 should be run for 24 hours a test.

This CPU+mobo+ram combination has run many hours of stress testing and my previous CPU (Q6600) ran even more and nothing has degraded yet. Not a single bit.
Don't underestimate these CPUs.

If you want to overclock your CPU, you have to give stability testing proper attention. You can't just OC and then run 1 hour of prime for the heck of it and call it stable if it passes 1 hour.
90% of the whole overclocking experience is testing for stability.
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