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Upping my 24/7 OC, but odd issue

post #1 of 11
Thread Starter 
So I upped my OC from 4.6 to 4.8 just to see what my chip can do. I am running Prime95 right now and while watching the CPUZ, it shows my clock going from 4.8 to like 4.799.9

Is that normal? Also, I have read a lot of people doing the stress test for like 12 hours, is that really necessary?
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post #2 of 11
Yes it is normal... just like voltages can fluctuate so can the clock speed. 0.01MHz is nothing to worry about lol..
The Wtfer
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The Wtfer
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post #3 of 11
Each person has there own definition of stability. I like to run 12 hours of prime 95 others says 3 hours is plenty others want 24 hours. All depends on what your doing and how certain you must be that it's stable.
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post #4 of 11
Dont use Prime95, Use IntelBurnTest... If you want a stable 24/7 OC then run IBT for like 50-75 passes..... Even that many would be a lot.... I usually run like 20, and 20 passes is enough. It may take a long time to run those passes also.
    
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post #5 of 11
yes it's normal... mine used to do that

if you want it absolutely stagnant... enable llc
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post #6 of 11
Thread Starter 
Quote:
Originally Posted by Vipr3 View Post
Dont use Prime95, Use IntelBurnTest... If you want a stable 24/7 OC then run IBT for like 50-75 passes..... Even that many would be a lot.... I usually run like 20, and 20 passes is enough. It may take a long time to run those passes also.
From what I have read on these forums, is that Prime is the key stress test for the SB's.

I have seen people suggest the IntelBurnTest though.
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post #7 of 11
IBT is good for quick stability testing when your working out a overclock but you should also run some prime 95 once you think you have hit a stable clock.
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post #8 of 11
Yeah i hear that running prime95 blended i think its called is what works best.
 
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post #9 of 11
Prime95 runs hotter on the SB chips than LinX/IBT, although it's the opposite for AMD & 1st gen i5/i7 chips.
    
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post #10 of 11
Quote:
Originally Posted by Kokin View Post
Prime95 runs hotter on the SB chips than LinX/IBT, although it's the opposite for AMD & 1st gen i5/i7 chips.

For me, LinX/IBT with the updated LinPacks produce higher temps than Prime95.
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The Wtfer
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