I7 4770k overclocking issues

Ba4oVa4o

Ba4oVa4o

Ba4oVa4o

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22 Nov 2012
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8
Hi,
Ive tried to overclock my I7 4770k on an asus z87 pro a couple of times but the temps are extremely high and in the end i gave up. The cooler is 212 evo.
On default settings, in prime 95 it gets up to 80-90C. If i try to move the multiplier to 41/42 then it gets to 95/100C. The only way to keep it under 90 on 41x is to set the voltage at 1.15/1.14 but its not 24/7 stable.
Can someone help on what the issue could be?
Bad cooler? Bad processor? Not doing the bios settings correctly?
 
I may be wrong but I think Prime95 isn't recommended with Haswell, they're just too hot. Try ASUS RealBench or something similar and see how it performs on that.
 
It's hard to say what temps to expect as haswell cpu's are really bad you could get better one with more thermal compound under ihs or less. I got I7 4770k and under stock clocks 3.5ghzz + turbo up to 3.9 I get average temp of 62 after a benchmark of asus real bench. These temps are with h100i cooler so if you have 212 evo I would say an extra 15 degrees at most higher temperature assuming you got good chip
 
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Also did you turn on xmp profile ?If so what speed is your ram running at? Also what are your temps under stock clocks voltage on auto under asus real bench ? If they are above 80 you could be just unlucky and got below average cpu. However you may try to resit your cooler to eliminate possibility that cooler is not sited properly.
 
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I have taken the cooler and processor many times to reseat/reapply thermal paste and im 100% everything is ok there.

i may have made some progress.
i got average 55C but for some reason my cpu was running at 1.07v and 3.7mhz at what bios calls default settings.

After playing around in bios i got it to run at 42x and 1.18v and got 72C max in the asus benchmark.
Will test for stability and leave it at that for now.
 
I would say if you can run asus real bench for 3 times in row and play your games without bsod you are fine. This is what I did and got temps of 77 79 77 78 at 4.5ghz @1.275v while running real bench. Hope this could help it took me while before I overclocked mine cpu (3months)
 
I was always put off by the prime95 temperatures and decided to not overclock it. I did notice that if i overclock even to 4.3 4.4 and play games the processor wouldnt go past 60C but decided not to run it overclocked 24/7. Now that ive tried a benchmark that doesnt melt it, ill play around with the clock and voltage to squeeze a bit more out.
 
SamyBoy13 said:
I would say if you can run asus real bench for 3 times in row and play your games without bsod you are fine. This is what I did and got temps of 77 79 77 78 at 4.5ghz @1.275v while running real bench. Hope this could help it took me while before I overclocked mine cpu (3months)
Click to expand...

Samyboy, does your cpu constantly run at 4.5ghz or does it drop the multiplier when not under load. I just tried clocking mine and managed to run it at 4.4ghz @1.215v however the multiplier wouldn't drop so it constantly ran at 4.4
 
This is because my power options in windows were set to maximum performance. I changed the minimum processor state from 100 to 10 and it now works perfectly.
 
I got mine on adaptive voltage after manual overclock was stable, I don't know what it's called on other motherboards but it drops multiplier and voltage when at idle. Also set your power management option to to balanced. Voltage is slightly lower when I checked it with multimeter that I connected to my board and it's around 1.25-1.258v while at 4.5ghz. Although when I set voltage manually it required 1.275v to do stable 4.5ghz on all cores. Hope this helped :-)
 
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