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i5 3570k OCing.

post #1 of 11
Thread Starter 
Just got a quick question for someone with knowledge on the topic. I have a stable oc of 4.3 at 1.245V but when i try 4.4 i have to increase vcore quite abit before itll run stable for alittle bit, how much do i have to up the vcore by?
Thanks
post #2 of 11
Quote:
Originally Posted by Spitfighter42 View Post

Just got a quick question for someone with knowledge on the topic. I have a stable oc of 4.3 at 1.245V but when i try 4.4 i have to increase vcore quite abit before itll run stable for alittle bit, how much do i have to up the vcore by?
Thanks
Every chip is different but it is common to reach a certain threshold where you have to being taking adding leaps of voltage to get a 100mhz overclock on Ivy Bridge, this coming from a person who's owned 2 of these cpu's.
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post #3 of 11
Every CPU is unique, and thus the amount of voltage required to reach certain clock speeds will differ for everyone. It's called the Silicon Lottery. Basically you just have to mess around with different VCore and clock speeds until you find what your CPU's limits are.
post #4 of 11
Quote:
Originally Posted by Spitfighter42 View Post

Just got a quick question for someone with knowledge on the topic. I have a stable oc of 4.3 at 1.245V but when i try 4.4 i have to increase vcore quite abit before itll run stable for alittle bit, how much do i have to up the vcore by?
Thanks

I would start at 1.265v and if stable then lower until unstable. If not then go up by .005 or .010 depending on how fast it crashes.

What OC Guide did you follow?
post #5 of 11
Thread Starter 
ya i figured i have to keep uping the volts but it wont stay stable till about 1.290 and even then its not fully stable. As a starter to get an idea of what to do ive used this - http://www.overclock.net/t/1247413/ivy-bridge-overclocking-guide-with-ln2-guide-at-the-end. I also went through alot of threads about the same topic.
post #6 of 11
Quote:
Originally Posted by Spitfighter42 View Post

ya i figured i have to keep uping the volts but it wont stay stable till about 1.290 and even then its not fully stable. As a starter to get an idea of what to do ive used this - http://www.overclock.net/t/1247413/ivy-bridge-overclocking-guide-with-ln2-guide-at-the-end. I also went through alot of threads about the same topic.

Have you tried raising LLC? That could be throttling your voltages.
post #7 of 11
Thread Starter 
No i havnt would [rpb be a good idea to lol. ill post an update in abit
post #8 of 11
Quote:
Originally Posted by Spitfighter42 View Post

No i havnt would [rpb be a good idea to lol. ill post an update in abit

Try that, as it could be downvolting it based on the level you set it to. Are you tracking during your stress testing with CPU-Z? If so, what does it say for voltages when under stress (full load)?
post #9 of 11
As people before me said every CPU is unique. Some need more voltage to run stable. Mine can do 4.4 Ghz with 1.2V and its 100% stable. You should check the CPU LLC settings. For me i had to set it manually to Ultra High so the Vdrop wouldnt crap my VCORE making it lower than what i set thus making the CPU unstable.
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post #10 of 11
I managed to get 4.7ghz stable prime ran 12hrs. Pretty happy with that. thumb.gif

http://valid.canardpc.com/2746645
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