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***Official Ivybridge Overclock Thread***

Ok man thanks for you help. I will start with just changing the turbo to 4ghz and see how it goes from there. I guess once I have some idea of what I am doing I should be able to sort it. I have never considered OC before so I just want to make sure I have some understanding before I attempt it.
 
i mate,

just a quick update. Got it too 4Ghz just increasing the turbo multiplier and the voltage goes up to 1.28 or something like that and the temp maxes at like 71 degrees on full load so quite happy with that.

Thanks.
 
Swagger187 said:
i mate,

just a quick update. Got it too 4Ghz just increasing the turbo multiplier and the voltage goes up to 1.28 or something like that and the temp maxes at like 71 degrees on full load so quite happy with that.

Thanks.
Click to expand...

I've overclocked my 3570k to 4.1 on the turbo, and adjusted the voltage to an offset value of -0.60. My voltage doesn't ever go about 1.18.

1.28v is quite high for 4ghz. Maybe have a play with voltage values.
 
mcleish said:
I've overclocked my 3570k to 4.1 on the turbo, and adjusted the voltage to an offset value of -0.60. My voltage doesn't ever go about 1.18.

1.28v is quite high for 4ghz. Maybe have a play with voltage values.
Click to expand...

I don't have voltage offset on my board. What I will do then is change my voltage to 1.18 in BIOS and test the stability. The only problem with that tho is it will constantly keep my voltage at 1.18 even when when the CPU down clocks?
 
Last edited:
Swagger187 said:
I don't have voltage offset on my board. What I will do then is change my voltage to 1.18 in BIOS and test the stability. The only problem with that tho is it will constantly keep my voltage at 1.18 even when when the CPU down clocks?
Click to expand...

There should be a CPU EIST/C1E option in the BIOS, leaving this ON/AUTO, is what downclocks the speed+VID etc
 
stulid said:
There should be a CPU EIST/C1E option in the BIOS, leaving this ON/AUTO, is what downclocks the speed+VID etc
Click to expand...

Yeah it's on. I wasn't bothered massively about the voltage because it is not as if it is at 1.28 the whole time the PC is on. Soon as I exit it a game it drops right back down so I am very happy with the results.

Thanks.
 
What software do you guys find reliable for voltage readings?

CPU-Z says this :

KMhlmqN.png


Whereas HWiNFO64 says :

Ru6w534.png



I've been trying to get it stable at 4.2Ghz again and the chip isn't having any of it at the moment. The motherboard im using is the Gigabyte Z77X-UD3H with the 'PWM Phase Control' set to 'High Performance' and the Vcore LLC set to 'High'. I've been increasing the voltage to try and get it stable then I saw what HWiNFO64 was reporting! I don't wanna fry my CPU! :p
 
isn't it stable?

try with pwm phase set to extreme performance

llc set to high

cpu voltage set to normal and try maybe -0.010v

4.2ghz should be doable on stock cpu voltage or slightly undervolted,1.316v is high imo for 4.2ghz
 
It appears to be stable with those settings, I have been adjusting the CPU Vcore rather than the Dynamic Vcore. CPU-Z reports it being as high as 1.296v now so I guess further tweaking can be done there.

Thanks for the help! :)
 
sunlitsix said:
It appears to be stable with those settings, I have been adjusting the CPU Vcore rather than the Dynamic Vcore. CPU-Z reports it being as high as 1.296v now so I guess further tweaking can be done there.

Thanks for the help! :)
Click to expand...

if you want to lower the load voltage try with low llc and keep dvid on -0.010v,then see how much is used at load

if you want lower further try -0.015v or -0.020v and so on ect
 
MPIJBPM.png


The above is what I'm sticking with, the Vcore goes upto 1.200v when under full load. I set it to what you suggested with low LLC and have now got the DVID set at -0.075. I tried it out at -0.080 and I got a BSOD as soon as I begun testing it.

I may try out some higher clocks at some point although it's looking pretty toasty temperature wise. It has got a H80i on there at the moment.
 
Just tried a quick 4.2ghz oc on my 3770k using asus turbo v.



Very quick blast with p95 small fft, temps a bit higher than id like. Albeit that could be down to turbo v using too much voltage, and its pretty warm in the room. Temps in game hit 64-64-59-59.
 
Hopefully mate, only tried that oc as i was testing gpu usage with an oc'd cpu. Will be going the proper way via bios this weekend. Also, i just noticed how turbo v ups the base clock a tad too.
 
1.212v here for 4.5ghz

I think I need 1.26 or 1.28v for 4.6ghz cant remember now,then a giant leap to 1.38v for 4.8ghz

use offset aswell and 1.65v cpu pll

looking at those temps id say you'd squeeze 4.6ghz out of it with maybe 80c temps
 
1.21v, nice chip wazza. If i can get to 4.5ghz and stay sub 80c ill be happy enough. If not, it'll be getting scalped.
 
Fella i bought it from stated that he first had it at 4.5ghz on 1.35v in his setup, but later got the voltage below 1.300. I did notice with the 3570k that temps pretty much stayed the same when switching over to manual oc'ing. Things certainly arent helped by the weather hear at present tbh, very warm even at night.
 
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