Photons To Photos published their Leica Q2 sensor measurements which give us the first look at the performance of the new Panasonic 47.3MP full-frame CMOS sensor that will also be used in the Lumix S1R mirrorless camera - here is a comparisons with different camera models (Nikon D850, Nikon Z7, Sony A7R3, Pentax K-1, Leica Q2 line in blue, click for larger view):
Update - here is the Photographic Dynamic Range vs ISO graph:
FYI - here is the updated Panasonic S1 test result from Photons To Photos:
Via LeicaRumors