All I've done is change the ram to XMP and change my cpu multiplier to 45 and vcore on manual mode to 1.175. Cooler is Hyper 212 Evo so when I run aida64 Stability Stress Test and I check all the boxes in the top left. I get max temp 60C BUT right when I click start everything slows down and lags like crazy. When I only have the cpu boxes check this does not happen, but when I check the bottom two (Stress local disks and Stress gpu) it happens. What do I do?
i5 4690k OVERCLOCK 4.5GHZ at 1.175 VCORE Problem!
- Thread starter Jared_7
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10tacle
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Generally speaking, if you can run 1.175 on the Vcore and not get a crash at 4.5GHz with a 4690K, you are probably among the top of overclocking results by everyone else with voltage needs vs. overclock speeds. My best results with roughly that voltage was 4.4GHz. That's very impressive. Also download and run OCCT. It will give you graphs in a picture file of your results which are good to analyze.
jragonsoul
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10tacle
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Try playing around with the voltage. You may find out you only need 1.15v instead of 1.2v for example (or somewhere in between). There is no magic setting and each person has to find his own best overclock to Vcore ratio for best thermal-to-GHz speed ratios. Overclocking is an art of trial and error based on how good your chip is and how good your cooling solution is.
The key thing is to make sure you do not go over factory recommended voltage and thermal limits (and 70C is fine, but a better air cooler would yield better results, and anything over 1.3v on a Haswell is not recommended for long term). The EVO 212 is a main stream air cooler, not a high end one for trying maximum overclocks. But at 4.5Ghz and 70C that's mighty impressive!
10tacle
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Nope, not for basic overclocking. More hardcore max OC seeking people tinker with specifics, but for your use, you are well fine with just messing around with those settings. Now what you can do if you feel "lucky" is play around with combinations of the BCLK (bus) speed and multiplier. You may actually find better results in different combos.
For example, a 44x multiplier on a 100 BCLK is the same 4.4GHz as a 43x multiplier on a 102 BCLK (well that is technically 4.386GHz, but who can tell the difference).
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