4670k overclocking nightmare

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mswg

Honorable
Aug 3, 2013
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10,540
I read some guides before trying to oc, what I understand is try to manipulate multipliers and core voltages to make the system stable.
I did the test that checks where is my cpu stand ( above or below avg)
i tuned my cores x46 at 1.200v i was able to pass UEFI screen to windows starting screen then it gave me blue screen so i assume I'm in the upper 50%.
after that I tried about +20 combinations but all of them failed, some failed before stress testing other failed under aida64.
here is a list:
x44 at 1.25v 1.275v 1.29v failed before even stress testing and windows login screen 1.3v failed after stress testing
x46 at 1.2v 1.25v 1.275v 1.6v 1.27v 1.28v 1.29v 1.31v 1.32v 1.35v all failed before stress test and login to windows
x45 at 1.275v 1.3v failed before stress test 1.35v 1.33v 1.32v failed under stress test
I have custom water cooling the highest temp i ever seen while stress testing was 67c
am I missing something or my luck is very bad with this cpu
edit:
mobo: asus z87 sabertooth
UPDATE:
i manged to overclock the cpu to 4.4ghz at 1.3v but whenever I change the voltage to adaptive i get a blue screen when windows try to boot
 
Solution
ahnilated
Well to give you an idea, I can do 1.25V at 4.5G (stable) on my processor, I have to do 1.41V to get 4.6G (stable). Now of course the temps skyrocket doing temps that high.
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geofelt

geofelt

Titan
Oct 9, 2006
54,298
4,146
174,240
It is the multiplier that drives the voltages.

Go back to basics.
Test using occt.

Then, gradually raise the multiplier, leaving everything else on auto.

At some point, you will fail. Back off a notch from that and be happy with what you get.

You may be unlucky, but I would think 4.4 should be ok. Past that, you have a golden chip.
Those with good chips will tell you about that; those with poor chips tend towards silence.
 
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ahnilated

ahnilated

Splendid
Nov 9, 2006
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Voltages once you try to squeeze the last little percentages out of a CPU can get insanely high. If you have seen some of the graphs the peaks at the end are extreme.
 
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M

mswg

Honorable
Aug 3, 2013
43
0
10,540
Now i understand what you mean.
I started back from 4.2ghz
Now im at 4.4ghz using 1.3v it seems stable after running aida64 for 1 hour i will leave it 7 more hours to be sure.
The question now, is it safe to hit 1.37v or 1.36v even if my cooling system can deal with the heat output?
because at 1.3v i have about 60-65c and there is more room to increase voltage and i wanna go for 4.5ghz
But im worried about degradation.
UPDATE:
i manged to overclock the cpu to 4.4ghz at 1.3v but whenever I change the voltage to adaptive i get a blue screen when windows try to boot
 
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Adroid

Adroid

Distinguished
Jul 2, 2009
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20,160


Listen to this guy.
1) Never leave voltages on auto, ever.
2) From my experience ivy/haswell have an invisible voltage "wall". I got my 3570k stable at 4.3ghz with 1.232 voltage, and at 4.4 it took over 1.275 to get close to stable and with my crappy air cooler the temps I was getting wasn't worth it.

Your temps should determine your max overclock, because you will hit hot temps before the 1.5V or whatever max recommended voltage is. I would keep your voltage under 1.3ish personally.

Keep in mind haswell at 4.3 is pretty much top of the line. Sure, you can get a couple hundred more on some chips, but the extra strain of voltage isn't worth it if your chip doesn't want to clock that far.

100-200MHZ isn't worth juicing your chip past 1.3V in my opinion. Your performance gains are going to be small, probably un-noticeable.

If your chip is happy at 4.2GHZ, be happy to own one of the fastest and best performing chips in existence.
 
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