[email protected] instead of 3.3GHz
I've found a database witch overclocked processors. Checked the VCore voltage and was a little frightened, because the auto overlocking used quite high values. After a few attempts I've made a safe 4.5GHz speed from the stock 3,3GHz with a VCore of 1.320V (was more than 1.4V). So now I have a really fast processor :)
CPU-Z info
And here it's more detailed.