What settings do I change to overclock?

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Stealth2668

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Nov 7, 2013
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So I read on a basic guide that all you have to do is change the multiplier and the voltage. What about all those other options, do I just leave them? Once I've set my voltage for a certain overclock frequency, how do I ensure it doesn't go above that voltage and fry itself but still vary depending on demand?
Thanks!

EDIT:
Ya, forgot to mention what I'm overclocking: i5-4670k
Mobo: MSI Z87 G41
I will be installing a coolermaster hyper 212 EVO
 
Solution
JackNaylorPE
Would be helpful if we knew what you were overclocking as advice will change.

With Haswell, the basic OC comes from changing the CPU multiplier. If CPU multiplier gets ah heck than cache ration by more than 3, you will see an performance degradation on some applications , image editing for example. You can leave it on Auto and the MoBo will do its thing .... some do better than others.

But unless you have aftermarket cooling this is not something you should be considering.

To start out increase your multiplier, then run a non synthetic benchmark like RoG Real Bench. have Harwdware Monitor, RealTemp, CoreTemp HardwareInfo or your utility of choice monitoring temps. Watch the max column for core temperatures and see if you are...
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JackNaylorPE

JackNaylorPE

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Would be helpful if we knew what you were overclocking as advice will change.

With Haswell, the basic OC comes from changing the CPU multiplier. If CPU multiplier gets ah heck than cache ration by more than 3, you will see an performance degradation on some applications , image editing for example. You can leave it on Auto and the MoBo will do its thing .... some do better than others.

But unless you have aftermarket cooling this is not something you should be considering.

To start out increase your multiplier, then run a non synthetic benchmark like RoG Real Bench. have Harwdware Monitor, RealTemp, CoreTemp HardwareInfo or your utility of choice monitoring temps. Watch the max column for core temperatures and see if you are exceeding what you are comfortable with. Also watch max core voltages.....

It's recommended that you don't exceed 1.15 volts w/ a stock cooler..... 1.20 with a Hyper 212 ..... 1.25 with a Phanteks PH-TC14-PE or H100 and at 1.275 you'll should be thinking about a custom loop. I was stable at 46 multiplier / 46 cache ratio with the original BIOS at 1.375 volts and max temp of 74C under RoG Real Bench.

After deciding where ya system is comfy at manual control, you can switch to adaptive to have ya system reduce power when it's not needed. Switching to adaptive however will add 0.1 volts or more when AVX instructions are present. Prime96, AIDA64 etc do load AVX so you can se big voltage spikes and temp increases so if running Adaptive, either don't use synthetic benches or pay REAL close attention to temps and voltage while running. Even RoG Real Bench adds AVX during the Open CL test.

Check youtube for overclocking guides specific to your MoBo manufacturer.
 
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Solution
JackNaylorPE

JackNaylorPE

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Overclocked we are typically talking 1.25 - 1.375 ..... adding 0.5 to that is fried CPU territory w/o LN2. I have seen 0.11 .....some report 0.12 ..... most never look.

I wouldn't bother with the options unless you are into competitive overclocking.

I set CPU multiplier, cache ratio and voltage to hit my 4.6 GHz target. If you want to get into the details options, most of which can have a downside ....look at the Haswell overclocking thread by DarkWizzie on OCN.
 
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