i no longer have a 2770k , but when i did here are the results.stayed with ivy sold 2700k.
iam running prime right now on my 3770k, here is my 2700k at 4.4 yeah a little cooler.
ran prime 32 minutes

idle

here are my test at 4.3 1.19v about 30 min prime.hopefully they start making better coolers for ivy .

after test idle

testing 4.5 1.22v
maximus extreme iv-z bios 3204
i7 3770k at 4.7 1.35v ivy baby:)
Kingston hyperx genesis 16gb at 2400mhz 12-13-12-32-2
antec kuhler 920.
antec three hundred case
ram fan cooler
corsair psu 850
2xsli gtx670 ftw
raid 0-4 ssd intel 320 80gb x3/intel x25-m 80gb x1