Recently bought second 4930K - 4.8@ 1.376, 4.7@ 1.312, 4.6@ 1.248 All passed Cinebench R15 Batch #3332B065
Previous chip was #3331B540 and I didn't like this chip at all. It did pass R15 with 4.8@1.408 initially, but after a few runs at 4.9 with 125strap and 2666 ram, it could no longer get stable at 4.8 with 1.45+v. I gave up and bought another chip.