prime95 lies!

RizL4

RizL4

RizL4

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Joined
1 Dec 2005
Posts
915
had my q6600 at 3.4ghz and prime95 was stable no errors etc for 8 hours then i ran winrar and it was locking up my system set the system to 3ghz and now winrar not locking up? And stable whats the problem the ram? if so why was it locking up the pc at 3.4ghz when prime said it was fine
 
8hrs is the minimum, I've seen people fail Prime after 20 hours. The best way is to run a full day of Prime95, even then though it's not 100% guaranteed.
 
prime95 small ffts is a stress of the CPU only not the system stability, an 8 hour run on small ffts and then blend should give you a pretty stable system.. but for example I know on clocks I have used that are 8+ hours stable on both will fail when running folding @ home which stresses differently to prime
 
As above, plus "Round-off Checking" on the Advanced menu. If its not selected Prime'll happily sail by any errors.

I'm sure you've checked it, but its unselected by default.
 
Run orthos max blend with gpu artifact scanning and 2x memtest at the same time ;P.
If it survives that it will survive everything :D.
 
As mentioned, Small FFT is the CPU-wrecker and Blend breaks your RAM, it's possible to run one for HOURS and then fail the other imeadiately.

Everest has a FAIRLY good all round stability test, but it doesn't push the CPU or RAM quite as far as Prime.

OCCT's a right little dream shatterer too.....had my machine run prime for 13 hours and totally fail to finish the default OCCT test. (my brother on the other hand can run OCCT for 12 hours, and have his machine fill it's trunks 2 minutes into a 4 threaded video transcode.)


None of these tests however make use of the more complex operations the chips are capable of.
 
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