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Help with offset stability OC 4670k

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  • Overclocking
  • Gaming
  • CPUs
  • Intel
Last response: in CPUs
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December 6, 2013 9:45:29 PM

I'm having problems with the offset voltages staying stable. I did all my original OC testing @ 4.4ghz, 44 core multi, 41 cache multi, 1.25 Vcore and 1.18 Vring. I left the VRIN at 1.75 which is default for my chip. Over 24 hours of testing with AIDA 64, CPU, FPU, cache and memory tested, 100% rock stable. Now I checked the voltage read points on the motherboard (G1 Sniper M5), and I matched both the Vcore and Vring on the Offset (no Adadptive since Gigabyte doesn't support it) to the manual voltages perfectly and even bumped them up a small bit. Every time I test with Intel Extreme Tuning Utility (can't use AIDA 64 with offset since it uses AVX) or game, the system hangs or BSOD. I've even bumped them up a little more +0.010 twice. Same instability. I tested the static voltages again for another 24 hours, rock stable. I seriously doubt it's because the VRIN is too low. I've done a ton of research on this and everyone pretty much agrees that as long as the IVR is getting 0.4 V more than Vcore, it'll be fine. The static voltages proved that. Is there something I'm missing?

I was hoping on use the built power saving features but what I'm really concerned about is whether constant 1.25 V on Vcore (multimeter was reading 1.265 V under load) will result in slow internal degradation of the die silicon. Is this Vcore too high for 24/7 OC or would it be a good idea to back it off a bit and run at 4.3ghz? I only want to keep this chip for 3 to 4 years. I delided my chip and have MX-4 on the die and on top of IHS with a H100i. With 1.25 V, I'm getting 1 slightly hotter core @ 65 C max and the rest 61 C max. For some reason if I take the Vcore up or down by 0.010 that one hotter core will match the others in temps.

I've been playing with these offsets for weeks. I feel like I might be doing something wrong. Could someone shed some light on this? If it won't result in any harm I will just use the static voltages.

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December 12, 2013 3:06:19 PM

If it's stable with static voltages, there is no reason to increase them.
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December 13, 2013 4:25:52 PM

ewok93 said:
If it's stable with static voltages, there is no reason to increase them.


Thank for your help, I wasn't planning on increasing the Vcore or Vring any further, at least for 24/7 use. But I am wondering if anyone else couldn't get stable with an Offset or using Adaptive Offset. I did give up in the Offset though and using static values. I tried just about everything but if anyone has some insight on how to achieve stability using an Offset, I'm willing to give it another go. This is the 1st Intel rig I've built in about 10 years and there's a lot that's new to me. So far though I'm loving this chip... figuratively.
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