Thank you for clarifying.
My point remains… they get you to very different places. Sensors are like DAC chips in audio equipment…. They are a subcomponent of the camera and their overall performance is the result of the overall design… software and other components used to make the camera. So it depends which camera that Sony sensor is in. Zeiss is every much as good a lens as a Leica but very different in how it renders images. I have a Zeiss built for my Leica, I never use it… it produces very analytical looking photos. There are two components that differentiate Leica… the Leica lens and body. So if you contrast say Nikon D800 with a Zeiss lens, with a Leica and Leica lens you have the contrast I explained earlier.. Boulder / Magic vs Sonus Faber / Audio Research. Two very different destinations.
Since you were taking sensors… let me restate my point… a Zeiss lens on a