Overclocking settings for i5-4670k and 8 GB DDR 3 2133Mhz Corsair Vengeance Pro

Kristian Widjaja

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Dec 18, 2014
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I would like to ask as the title said

My Rig at the moment
Processor : i5-4670k
Motherboard : Gigabyte Z97x Gaming 3
RAM : Corsair Vengeance Pro 2133Mhz 2x4GB, 1.65V (9-11-11-31)
Graphic Card: G1 Gaming GTX 970
Cooler : H80i (with noctua fan) - Pulling out air from the case
Casing : Corsair 400R
PSU: FSP Aurum Gold 700W
SSD: Samsung 840 Evo 250GB and 1TB Hitach 7200

So with this rig I already tested some overclock settings, but eventually i do seem some instability and also BSOD when i am playing FPS games. Well it only occur lately like this week.

These are my settings:
V-Core voltage at 1.220V
Multiplyer at 4.4-4.5Ghz
Ram settings : 1.66V (9-11-11-31) 2T

when i am running some MMO games it does not BSOD but when I tried playing CS;GO it BSOD for this week. So I would like to ask some suggestion regarding the settings.

Cause from what I check, you should be able to get 4.5Ghz stable with my current rig the least or 4.4Ghz its fine. Maybe I do wrong settings. Anyone can help me? Abit new to these overclocking stuffs
 
To remain stable at higher clocks, higher voltage is usually required. Perfectly safe level of voltage for this CPU (at least in terms of longevity) is below 1.3V, and you are well below that threshold. Increase voltage in small increments. First to 1.23, then to 1.24 and test again. The most important thing to keep in mind is to *WATCH THE TEMPERATURES* - you do have a liquid loop, but fror maximum longevity I would try to keep this CPU below 80C at all times under max load on all cores (stress test the CPU with prime95 and monitor the temps with Open HW Monitor).
 
Overclocking the CPU will make almost no difference since the bottleneck will be with the GTX970 almost always.

You can even test this yourself by monitoring Task Manager. If you don't have any cores running at close to 100% during a game then overclocking the CPU won't matter.

I recommend just using the BIOS auto overclock which might choose 4.2GHz and also keeps the default voltage and other settings.

For memory, just apply the XMP profile.
 

Kristian Widjaja

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Dec 18, 2014
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I do appreciate the answer i heard yea around 1.25 is really good and for the pce halt or somthing the last few option after the turbo boost on the bios? Should i turn it off? The one that give fluctuate speed and voltage underload? And for my memory settings and latency what should i get?
 

Kristian Widjaja

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Dec 18, 2014
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How my GTX 970 is a bottleneck, it is a new brand graphic cards which goes out 2 months ago, I dont really understand what you are trying to say. For the overclock i might just downclock it to 4.0Ghz to 4.2Ghz. Its just strange how thte GTX 970 will be a bottleneck for the games i played?

 
^^ The poster above did not mean "bottleneck" as "something that hinders your performance", but as "the component which will determine your max performance". Your CPU can feed this card no problem, so, in a way, the GPU is a "bottleneck" (you can use faster GPUs and still see gains in fps).

For memory, there is not need to touch anything unless you have issues with it. In this case it doesn't seem like it.

As for turbo boost, it is best to leave it off when overclocking.
 

Kristian Widjaja

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Dec 18, 2014
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So base on your observation the only reason I get BSOD is because the CPU is unstable as it is undervolt? and there is no problem with my memory timing or latency or the speed that crashes out the CPU configuration?

 

Kristian Widjaja

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Dec 18, 2014
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ok i will be testing it out in 1 hr time after i come back from the office and will ask more question if it still happens, thanks buddy if you think there are any things i can do better, please let me know because i do not really understand most of the parts that I able to do with this computer until 1 month ago searching everything and understanding everything by myself
 

Kristian Widjaja

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Dec 18, 2014
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Ah i do not get what he mean I am really sorry, and i would like to ask one more question, for the C1E, C6/C7, Cpu Thermal Monitor, C3 and EIST should i turn it on or off?
 
No problem, the best way to learn is by trying things by yourself. Experiment. A little more voltage will help resolve your issue for sure. Regarding the turbo boost, I do have to mention that by disabling it you will lose power saving features of your CPU - it will constantly run on highest clock, regardless of its usage. In your BIOS you should be able to adjust the ratio of turbo boost; you can adjust this to match your desired overclock and leave it on as well. Best of both worlds.
 

Kristian Widjaja

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Dec 18, 2014
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or the C1E, C6/C7, Cpu Thermal Monitor, C3 and EIST should i turn it on or off?
 

Kristian Widjaja

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Dec 18, 2014
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ok thats my last question before i test it out, i will come back if there is anything wrong or nominate you as the best answer when it is done^^