Fiawies

I'm using MSI Z87-G43 Gaming.

986 in XUT 864 in Cinebench 5814.69 pps HWBOT Prime

Hello there! I'm trying to overclock i7 4770k while using integrated graphics. I can't use my GTX because it's in service since november... But let's get back to my main question. My CPU need high voltage to run even 4.3 GHz. Right now it's running on 1.27V while other people from tutorials are running 4.5 GHZ on 1.25V. I can't even bump my ring ratio to 4.1 GHz with 1.2V... Can it be the integrated card problem? When i will get my GTX back will it run properly? Or maby my CPU is bad overclocker? Thanks for every help...