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2500k OC tips *currently running prime 95 5ghz 1.35v* trying to last an hour

post #1 of 121
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Alright guys after installing my new WC kit I got too excite from that and now I suddenly jumped to OC my 2500k to 5ghz...

I just went off someone else's and they had a stable 1.35v at 5ghz so 1st I tried 1.28 at 5 and it went horrible xD couldn't get passed login screen.
After 1.33 and was able to run a test but after a few 1 core stopped so yeah... but other cores seemed to be going strong.

So now I just tried 1.35v at 5ghz and still stable after say 10min, got 50 more min til an hour hopefully I last that long.

Is 1.35v safe? Or should I be worried? Cpu hardware shows me thse temps 47c 51c 55c 58c.

This is my 1st time overclocking and kinda might need some help...

And I know I should've started slow but i'm sorry after building my 1st rig about a month ago (when bf3 came out 10/25) and setting up my 1st WC kit (about yesterday 12/2) It kinda made me a bit... idk how to explain it but yeah biggrin.gif

And a shoutout to Timalander for giving me such a great deal on my WC kit! thumb.gif
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Burnt Bacon
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post #2 of 121
5 ghz at 1.35 ? That would be a great chip.
And yes that is perfectly safe.
Head on over to the sandy stable club thread link in my sig.
There you will see what sort of voltages and clocks people get.
Every chip is different but it will give you an idea.
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post #3 of 121
That is a great chip if its stable at 5Ghz@1.35v. Also with your temps id say your set. You might even be able to push it to 5.2 or so with a bit more voltage. I would try to see how far it will go under 1.42v
you might have a epic clocking chip.
post #4 of 121
I wish my chip would do 5ghz at 1.35v...it takes 1.33v for 4.5ghz and 1.48v to hit 4.8ghz stable.

D
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post #5 of 121
I would go 1.45v max.
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post #6 of 121
Thread Starter 
Hmm seems wierd that when I set in bios 1.35 in cpu-z it says 1.342 so now I set it to 1.36 in bios and now says 1.352v in cpu-z. Is this right?
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post #7 of 121
Load will variate the voltage thats perfectly normal.
On some boards LLC raises the voltage on load to compensate.
What do you have yours set?
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post #8 of 121
Quote:
Originally Posted by mend0k View Post

Hmm seems wierd that when I set in bios 1.35 in cpu-z it says 1.342 so now I set it to 1.36 in bios and now says 1.352v in cpu-z. Is this right?

That's called vdroop. To reduce it as much as possible, use LLC, it'll compensate the VCORE to reduce the vdroop, however it won't be 100%.
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post #9 of 121
if you are actually stable at 1.35 then I consider that a golden chip.

You need to run prime for at least 12hrs to be considered stable, though.
 
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post #10 of 121
Epic chip!

For mine to hit 4.8ghz took 1.425v and I felt that was a tad too high.
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