i5 4670k can't maintain a 4.2GHz OC @ 1.25 voltage. Bad Chip?

JDHD

Honorable
Jul 25, 2013
32
0
10,540
I tried overclocking to 4.2 and upped the voltage from 1.1 to 1.25 and I still BSOD. Do i just have a bad chip?