Thanks for the link. Personally, I've made images of the nightsky with both cameras and to me, the difference is negligible. OTOH, my 6D showed up more hot pixels than the 5D3 for the same exposures.
5D3, 6D, 600D, RX100
16-35L, 24-70L II, 70-200L II, 100-400L, 50L, 85L II, 135L, 24TSE, 40, 100 macro, 18-55 II, 55-250 II, 600RT x 4
I come here to learn something new, not to learn how bad my gear is - I know that already ;-)!