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Friend argues Prime 95 is useless. I need others opinions to ease it. - Page 2

post #11 of 43
like others have said there isn't really a right answer its a little of everything. I too have always did 20 runs of IBT on max followed by 20 runs of cinebench if I have no crashes or whea's I test gaming for about an hour . after that I do prime95 when I go to bed and whenever I need to use the cpu again I stop it which is uaully about 12 run and I do that just for good measure. I personally like the IBT/Cinebench method and have never failed even a 24 hour test of prime after doing said method
post #12 of 43
It depends. I wouldn't say stress testing is useless but I would say we have to perform a mix of both.

Some 24-hour IBT stable PCs crash when a few tabs of Youtube are opened.
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post #13 of 43
Ian Cuttress is the guy who gave the X79S-UP5 a glowing review even though it was an unfinished product with nearly useless firmware at the time. You know why he made such an idiotic mistake? He didn't stress test his board.

His comments "NEED stable = Get Xeon and don't OC" are foolish. OCing and stability aren't mutually exclusive, but you do need to do validity testing that would otherwise have been done for you, and this is where more extensive stress testing comes in.

As for Prime95, it's a very useful tool that does often find relevant errors faster than "real world testing" (not that Prime95 doesn't qualify as real world in some cases, as it is a real world distributed computing project), which is the point. It's not always the best tool, and certainly not the only tool one should use, but I would recommend it be included in every "OC toolkit".
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post #14 of 43
There's nothing wrond with the methods prime95 uses, it's just how long it takes to do it.

The last thing I want to do after I've finished overclocking my shiny new computer is wait 24hrs to see if it's stable.

That's why I always use 50 runs of Intel burn test with all memory tested, if it passes that it's stable and I've never had any problems doing things that way.

Is it as stable as a CPU that completed prime95 for 24hrs? Who knows but I'm not willing to waste 24hrs to find out.
post #15 of 43
I personally prefer IBT to Prime95. I can't wait a long time to check for errors.
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post #16 of 43
prime95 for that rock solid stability.
post #17 of 43
I think its good for temps but in the real world , it does not test the stability of your normal day tasks when you come out of hibernation, sleep and whatever else that functions in the background. There is no such thing as 100% stable.
post #18 of 43
tl;dr version: your friend is wrong.

Sounds like he's just trying to be an argumentative little know it all, p95 has it's uses same as any other stress tests.
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post #19 of 43
I use prime95 to check my overclock stability as well. After that, I fold for a day with it. I never use IBT for anything. Your friend needs to be slapped.
post #20 of 43
There is nothing wrong with using Prime95 and as long as your chip is not running too hot or with too high of a voltage it won't damage your cpu either. That Anandtech guy obviously is not very familiar with overclocking.
That being said I think you need more than Prime95 for stability testing.

As far as usefulness of Prime95, I work IT and work on roughly 20 computers every week. I use Prime95 anytime I want to verify if a CPU is overheating.
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