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post #18511 of 22487
1.20V isn't bad for 24/7 use, if its the default for chip IMO.

You may find the voltages table under heading Advanced Overclocking in this link by der8aur handy.

One of my i5 4690K had default of 1.20V but was able to lower to 1.1xV, here is link to my thread on what I saw my mobo doing with "Auto" cache voltage.

My other i5 4690K has 1.10V as default biggrin.gif , never tried lowering or upping it as happy with value and results its giving.
Edited by gupsterg - 10/25/15 at 8:10am
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post #18512 of 22487
Quote:
Originally Posted by gupsterg View Post

1.20V isn't bad for 24/7 use, if its the default for chip IMO.

You may find the voltages table under heading Advanced Overclocking in this link by der8aur handy.

One of my i5 4690K had default of 1.20V but was able to lower to 1.1xV, here is link to my thread on what I saw my mobo doing with "Auto" cache voltage.

My other i5 4690K has 1.10V as default biggrin.gif , never tried lowering or upping it as happy with value and results its giving.

Have you tried clocking higher with cache voltages the same e.g
X47 1.xx vcore/x40 1.1x cache volts
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post #18513 of 22487
Yes.

Both chips reacted differently, so you need to profile how your particular chip reacts.

The i5 with default of 1.20V I lowered cache voltage and upped ratio to 41. Then when I increased CPU clock I had to up cache voltage even though was on 41 cache ratio still.

This i5 I used to have profiles of 4.4, 4.5 & 4.6GHz CPU clock and for each 100MHz extra on CPU the 4.1GHz cache would require 0.01V increase in cache voltage otherwise I'd have the BSOD code associated with lack of cache voltage.

The BSOD codes of der8aur in another guide of his.
Code:
0x00000124: Core clock is unstable. You need a higher core voltage
0x00000101: Input voltage (Intel Haswell) or Uncore (Intel Haswell)
0x00000050: RAM is unstable. Lower clock or raise memory voltage

The i5 I have with default of 1.10V will do 4.1GHz cache with CPU clocks right the way up to 5.1GHz and I don't change cache voltage just other values.

I recently did try upping cache from 4.1 to 4.4 with same 1.10V cache voltage on my new i5 and found it unstable, it was happy to run 4.2 or 4.3 with 1.10V.
Edited by gupsterg - 10/25/15 at 9:26am
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The Stilt Machine
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XPS - i5 4690K
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CPUMotherboardGraphicsRAM
Ryzen 7 1700 Asus Crosshair VI Hero Sapphire Fury X@1145/545 G.Skill Trident Z 2x 8GB 3200MHz C14 
Hard DriveCoolingCoolingCooling
Samsung Evo 840 ThermalRight Archon IB-E X2 + 2x TY143 ThermalRight TY-143 2x front case intake Arctic Cooling F12 + 2x F9 as rear case exhaust 
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post #18514 of 22487
Quote:
Originally Posted by v1ral View Post

Have you tried clocking higher with cache voltages the same e.g
X47 1.xx vcore/x40 1.1x cache volts

At 48x core 1.300Vcore, my uncore is stable at 42x with 1.050Vring. The ring voltage scales with the uncore ratio, not the core ratio.
post #18515 of 22487
Quote:
Originally Posted by kl6mk6 View Post

At 48x core 1.300Vcore, my uncore is stable at 42x with 1.050Vring. The ring voltage scales with the uncore ratio, not the core ratio.
How did you test to go that low on your cache?

I ask this cause a few weeks ago I was tryjng to get to 4.9Ghz and I kept getting BSOD 101 I raised vcore as high as 1.47 and VCCIN up to 2.1v, but this was with out changing cache ratio and cache voltages.
And I tried lowerjng VCCiN as suggested but no dice.
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post #18516 of 22487
Quote:
Originally Posted by v1ral View Post

So If it's at default 1.20 and I need 1.14 vcore for 4.5Ghz is that bad?

If you use auto voltage for ring it will scale with multiplier, yes. Unlike core voltage it usually doesn't scale down on idle - and same with ring multiplier. Some boards may be able to scale down ring multiplier and/or voltage even if they are fixed.

Auto voltage is going to be higher than you need in most cases. Unlike core though, the ring won't overvolt on adaptive. If you put in the time, using offset voltage is probably ideal.

The real problem is its not worth the time. Finding optimal stable settings for ring takes a ton of work for little return.

1.14v sounds perfectly safe.
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post #18517 of 22487
Quote:
Originally Posted by v1ral View Post

How did you test to go that low on your cache?

I ask this cause a few weeks ago I was tryjng to get to 4.9Ghz and I kept getting BSOD 101 I raised vcore as high as 1.47 and VCCIN up to 2.1v, but this was with out changing cache ratio and cache voltages.
And I tried lowerjng VCCiN as suggested but no dice.

Thats really not low as the cache goes. It defaults at 40x and 1.050 on my motherboard. I did alot of testing for performance gains on cache, and there is less than 2% gain going from 35x to 47x (cinebench) and above 45x I was getting glitches while gaming. So while trying to find my max core I left my uncore at 40x and 1.050v and only AFTER I found a stable core did I try to raise my uncore, but I left the ring voltage the same 1.050. Crashed at 43x but stable at 42x, so thats where it stays.
post #18518 of 22487
I don't get it, i can't stabilize anything over 4.7 ghz. I have tried 4.8 and 4.9 with 1.4v and no go. My 4690k does 4.7 ghz at 1.25v, so it's seems a little bit weird that it won't go over. I have run 4.8 before and have stressed 4.9 with aida64 for 1 and a half hour, no problem. But it just doesn't seem to work now. I am probably missing something.EDIT nvm 1.25 didn't work....
Update: I have stressed 4.7 ghz at 1.27v with aida 64 for for almost 2 hours now.
Edited by fyzzz - 10/25/15 at 2:26pm
post #18519 of 22487
Quote:
Originally Posted by jdorje View Post

If you use auto voltage for ring it will scale with multiplier, yes. Unlike core voltage it usually doesn't scale down on idle - and same with ring multiplier. Some boards may be able to scale down ring multiplier and/or voltage even if they are fixed.

Auto voltage is going to be higher than you need in most cases. Unlike core though, the ring won't overvolt on adaptive. If you put in the time, using offset voltage is probably ideal.

The real problem is its not worth the time. Finding optimal stable settings for ring takes a ton of work for little return.

1.14v sounds perfectly safe.
Sorry I meant 1.14 for core ratio NOT cache ratio.
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post #18520 of 22487
Quote:
Originally Posted by v1ral View Post

Sorry I meant 1.14 for core ratio NOT cache ratio.

Too low. That's not even at the low end of the voltage wall yet.
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