i5 4670k 4.2Ghz OC at 1.180v ( First OC - Stable )

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Ephesius

Ephesius

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Hello everyone, I tried 5-Way Optimization of my Asus Z97-AR Motherboard and it gave me 42 multiplier on every core. My Cooler is Cooler Master Hyper 212x. Cpu Usage and Cpu clock seems perfectly stable without any hinches.

4.2Ghz - 1.180v Seems quite stable atm. No WHEA Errors or Blue Screens. All temps below 68 Celcius. Working silently with 1000Rpm average cpu fan. I can increase fan speeds further but it seems unnecessary atm.

Check my final results please;
122nr11.png


Is it normal to have south bridge at 3800Ghz - Don't know how to change it.

Hope everything looks alright, there is so tiny flactuations from time to time in Power i hope its alrgiht.

Thanks in advance.
 
Solution
rowdymoody
No the northbridge shouldn't affect anything. If you stress test without any WHEA errors for an hour, you could go ahead and call it safe, but I have had WHEA error happen after 2 hours of stressing before.

Just to be on the safe side, when you aren't going to be using your PC (I have even done it overnight while I was sleeping) let the stress test just run for a good 8-10-12 hours. THEN if you have 0 WHEA errors, it would be safe to say you are absolutely 100% stable.

I would agree to just leave it as is if it is 100% stable. Even if you are overvolting by a small amount, it will more than likely be such a negligible difference in voltage that it should not lead to decreased lifespan of your components.
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rowdymoody

rowdymoody

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I don't really have any experience with your particular processor, but everything seems well enough to me. You getting any WHEA errors?

I will also add, that if you were to do it manually you should be able to achieve lower Vcore at that speed. Thus resulting in even lower temps. Or you could probably even get higher performance at the same Vcore.
 
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Ephesius

Ephesius

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Alright i did change voltage auto-adjust to manual. Now its running at 1.191 core voltage, with slightly lower fan RPM's.

Temps staying below 70 mark on 4.2ghz. You can neglect max temps since the fans on auto adjustment and they droped a lot in few secs
20z7e4j.png


It has benn running for 30 mins. I will leave it like this for like 2-3 hours now. Can i say it is stable if nothing changes?
I tried GPU stress aswell at the same time ( Asus GTX970 Strix ) for 5 mins and tems bump about 1-2 celcius with a bit more fan speed. I think my spot is sweet at the moment.

Still waiting for more thoughts.
 
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Ephesius

Ephesius

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Hmm how do i check that? Never heard of it to be honest. I do not intend to up clocks further to keep my components safe and long lifespan.

I hope im not getting errors, will check it when i get back home its still on test while im away.
 
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rowdymoody

rowdymoody

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To check for WHEA errors, click on start, and search for "event viewer". Click on it to open it up, When the window opens, on the left pane click "applications and service logs" then in the middle pane click "microsoft" then "windows" then scroll down to "kernel-WHEA". Click on that then click on "errors" it will show you (down to specific time) if and when errors occured.

If you are getting any WHEA errors while running your stress test, your overclock is not stable and you either need to up your voltage, or drop your core clock.
 
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rowdymoody

rowdymoody

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Not a problem. In all honesty WHEA errors aren't necessarily problematic per se, they are more or less just an indicator that something is not 100% right. You can have an overclock, be getting WHEA errors and your PC will run perfectly fine and act stable, but if your overclock is truly stable then you will receive NO WHEA errors while stress testing. So if you are out for perfection, it is something that you want to check for.
 
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Ephesius

Ephesius

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Alright after testing for 8 hours straight, 0 errors seen and the graphics didn't change at all. Everything is below 70 celcius.

So, from the graphics being perfect and no errors at all, can i say that i may lower the voltages a bit more aswell? I tried with 1.190 for my first voltage settings, never tried anything lower or higher than that.
 
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Ephesius

Ephesius

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Alright i tried the reverse way and wanted to go from lower clocks. Got insta blue screen at stress test at 1.150v.

Now im running with 1.180v and no errors so far. Its been 15 minutes. How often do you think i get errors? Lets say will it be enough if i run the test for an hour? Probably won't try lower than this if this works correctly. A bit of headroom is fine since my temps are quite nice. Fan rpm average is dropped by 200 and my temps are 1.5-2 celcius lower

Btw my northbridge clock seems 3800 like stock turbo mode. Does that affect anything? Not sure what that is..
 
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rowdymoody

rowdymoody

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No the northbridge shouldn't affect anything. If you stress test without any WHEA errors for an hour, you could go ahead and call it safe, but I have had WHEA error happen after 2 hours of stressing before.

Just to be on the safe side, when you aren't going to be using your PC (I have even done it overnight while I was sleeping) let the stress test just run for a good 8-10-12 hours. THEN if you have 0 WHEA errors, it would be safe to say you are absolutely 100% stable.

I would agree to just leave it as is if it is 100% stable. Even if you are overvolting by a small amount, it will more than likely be such a negligible difference in voltage that it should not lead to decreased lifespan of your components.
 
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Ephesius

Ephesius

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Oct 24, 2014
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Alright thank you again, you did help me a lot in this :)

Thank you for your guidence, i will try to stress test tonight, hope everything goes alrgiht. I might bump my voltage a little if any error occurs.

Have a great time, best regards.
 
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