i5 - 4690k @ 4.2Ghz | MSI Z87 -GD65 - Voltage?

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MonteXMat

MonteXMat

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Dec 25, 2012
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Hello,
First of all, I'm new to overclocking. I've read and watched a massive amount of content about it, but I'm still not sure about the voltage.
I know that every CPU is different and voltage is dependant on the motherboard as well as the processor, but there must be some starting point.
I'm planning to overclock an i5 - 4690K (Devil's Canyon) to 4.2Ghz on a MSI Z87 -GD65 motherboard.
Now the question is: what voltage should I start on to keep it stable and below 80°C on stress tests?
I've searched through the whole youtube and google and can't find anyone with this setup overclocking to 4.2Ghz.

Also, I'm using a Noctua NH-D15 cooler.
I don't want to screw this up..
Thank you!
 
Solution
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of course... i forgot it was in the thread title.

Im not sure what msi call it. but you can look that up when you have it.

Your first step would be to set the voltage to manual or w/e it wants to call it to unlock the offset mode.
then add an offset of maybe +0.05v (to prevent it using an auto offset of unkown level)

check the voltage reading under a stress program.

take the reading and -0.05 for the offset.

this is the base value your personal chip requires to operate at stock.

then remove the offset, and set the avtual vcore to whatever the value you just worked out.
this has capped the voltage to stock (prevents the board autojuicing it and allows to you to find...
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drtoast

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first work out your stock voltage then to OC.

step one, set multiplier to 42, leave voltage alone
step two boot
step three if you made it congrats... now stress test you might be lucky enough to get it without any extra power...
step four, if it crashes at stress or didnt make it to boot, boost voltage by 0.05
step five repeat until stable.
 
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drtoast

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its one of the best air coolers... my budget hyper 212 evo made 4.6 without topping 75 under prime small ffts.
you dont have to worry bout temps unless you did a bad install.

people say temps kill cpu's temps are usually a symptom of voltage.

commonly agreed that up to 1.3v is safe.
intel stated after 1.4v you are likely to be in territory where it just randomly dies.
 
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MonteXMat

MonteXMat

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Oh and what do you mean by "leave voltage alone" in the previous answer?
Cause the bios is going to change the voltage depending on the core speed as it's on "Auto". (I think)

I'll try with 4.4Ghz up to 1.3v I guess.
 
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drtoast

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May 10, 2013
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of course... i forgot it was in the thread title.

Im not sure what msi call it. but you can look that up when you have it.

Your first step would be to set the voltage to manual or w/e it wants to call it to unlock the offset mode.
then add an offset of maybe +0.05v (to prevent it using an auto offset of unkown level)

check the voltage reading under a stress program.

take the reading and -0.05 for the offset.

this is the base value your personal chip requires to operate at stock.

then remove the offset, and set the avtual vcore to whatever the value you just worked out.
this has capped the voltage to stock (prevents the board autojuicing it and allows to you to find what your chip can do, when operated at stock power, the pre set stock operation is just a benchmark for factory binning)

using the manual capped voltage. see if it is stable at 4.2, you might get really lucky.

if not, then process the 5 steps in the original reply.
 
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