i5 4690k overclocking on a Gigabyte GA-Z97x-Gaming 3 motherboard

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kifl4

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Jan 11, 2015
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I have a gtx 970 g1 gaming, i5 4690k, a XFX 550 TS (80+ bronze) PSU, a Gigabyte GA-Z97x-Gaming 3 motherboard and a Cryorig H5 cooler.
Can you help me with overclocking the CPU? I'd like to OC it to 4,2 GHz. Is it possible to do it without changing the voltage?
 
Solution
geofelt
Whenever you raise the multiplier, you are going to raise the voltage.
The question is, how high can vcore go without damage?
I have found no official answer, and 1.30v seems to be the consensus.
Avoid the automatic overclocking options, they tend to be too aggressive.
In the bios, gradually raise the multiplier on all cores fro stock 35. 42 is very reasonable.
Leave all else, including ram on auto.
Test with occt and monitor vcore with cpu-Z. Run long enough for the temperature to stabilize at max.
OCCT will stop the test if you reach 85c.

When you reach your limit, implement speedstep and adaptive voltage.
That will reduce the voltage and multiplier when the cpu is not under load.
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geofelt

geofelt

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Oct 9, 2006
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Whenever you raise the multiplier, you are going to raise the voltage.
The question is, how high can vcore go without damage?
I have found no official answer, and 1.30v seems to be the consensus.
Avoid the automatic overclocking options, they tend to be too aggressive.
In the bios, gradually raise the multiplier on all cores fro stock 35. 42 is very reasonable.
Leave all else, including ram on auto.
Test with occt and monitor vcore with cpu-Z. Run long enough for the temperature to stabilize at max.
OCCT will stop the test if you reach 85c.

When you reach your limit, implement speedstep and adaptive voltage.
That will reduce the voltage and multiplier when the cpu is not under load.
 
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