i7-4790k Stock Boost 4.4Hgz - Vcore at 1.283! No room for OC?

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jdj9

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Jun 26, 2015
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Hi all.

This is my first time considering OC'ing my CPU. I don't have any experience on this.

After a few hours of research it seems that i got unlucky with my CPU.

Since most people advise that Vcore voltage shouldn't exceed 1.3v, i suppose i don't have much room to OC? It is already hitting 1.283v when it auto-boosts 4.4Ghz. Right now is running at stock speeds. i never touched it.

Even an increase of 0.05 (50mV) that is suggested for every 100Mhz, it would take the Vcore at 1.333 which is above the recommended for 24/7 use. I can't even take it to 4.5!

Is it even worth it trying to OC?

Thanks.
Jo.
 
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KyleADunn

KyleADunn

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Jul 8, 2014
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Most people who overclock their CPUs to achieve roughly that boost clock speed as their base clock disable Turbo Boost in BIOS. This will prevent the voltages from jumping up, and your CPU will be consistently at that 4.4 GHZ speed.

I would recommend first disabling turbo boost if you plan to OC, and go from there.
 
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T

TJ Hooker

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Apr 15, 2014
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Just because the voltage is going up to 1.283 with stock settings doesn't necessarily mean it needs a voltage that high for that frequency. The default voltage/frequency profile isn't always totally optimized. It's possible you can undervolt it while keeping frequency the same, or overclock it a bit without touching voltage.
 
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J

jdj9

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Thank you for your input.

That was my thought as well.. I will try it and update.
 
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J

jdj9

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Thank you for your input.

Can i keep 1.35v at 24/7? Will it reduce the lifespan of my CPU? Even if there is a little chance, I'd rather not go that high.
 
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TechyInAZ

TechyInAZ

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Jun 23, 2014
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Well, if you say "little chance" then you shouldn't even be overclocking at all. Every time you increase voltage AT ALL, your reducing the lifespan of your CPU. However, 1.35v and under is safe because the CPU degregation will take a VERY LONG time before the CPU actually dies.

I'd say 1.35v is safe if your under water. Stay below 1.32v for anything else. 1.32v is the official safe voltage, but the norm is 1.35v.

[video="https://www.youtube.com/watch?v=a2Y79QR-yKQ"][/video]
 
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jdj9

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Thank you for your input.

I've also read what you advised somewhere else, can't remember where though. Probably here in the forums.
In case i OC i will follow your advise and disable turbo boost.
 
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J

jdj9

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Jun 26, 2015
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Thanks for replying so fast. I will definitely watch the video.

I got the Corsair Hydro H110i GT 280mm AIO cooler. Do you think it is adequate to maintain a 1.35v?
 
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jdj9

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Jun 26, 2015
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Thank you for the link!

Do you believe this guide is for someone who is a total noob with overclocking? I need a guide liike... "overclocking for dummies".. LOL. I don't wanna just jump into OC just by setting the recommended voltages/frequencies just to get it over with. I first want to understand it. So, if you think that the link you provided is a good guide for someone like me... i'll go right ahead!

:)
 
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J

jdj9

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Ok thanks. Can you also provide a good guide to OC?
 
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aquielisunari

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I'm just curious. Which motherboard do you have? What is the temperature of your PC at 4.4GHz during gaming or some other intensive task? Why are you OC'ing? What is the OC investment returning?
 
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jdj9

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Mobo: Asus Maximus VII Ranger

Temp: I use the PC mostly for gaming and it ranges roughly from 50c to 55c depending on the game. I wasn't really paying attention to the CPU temp but whenever i looked at it, it was within that range.

Reason for OC: I picked 32 gigz of 2400Mhz ram and as per my research, this ram will not work just by enabling XMP. I think i'll have to OC my CPU as well (correct me if i am wrong). So i am trying to learn how to do it until the ram arrives. Most people say that this CPU is really good at OC'ing and since i got the hardware to support the OC, i want to take it to the max potential without damaging it.
 
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jdj9

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I've tried using the benchmark tools that are mentioned in the link provided by "chenuki" above in order to get familiar with before trying anything. The OCCT was easy, nothing complicated. But the POV-Ray looks a bit complicated to me. I searched for a guide for benchmarking for POV-Ray but i can't find any. How do i set the time limit for the test? Do i need to set specific settings to run it or just select Render > Run Benchmark (all CPU's)?

When i open the program i get a message about an "internal editor" and asks me to download it. What is that? Do i need it?
 
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