Sony a7C II vs a7CR, what are they and how do they compare?

Introducing Sony's compact twins Sony has just made the slightly unexpected decision to not only replace its compact a7C full-frame mirrorless camera but to also introduce a higher resolution sister model alongside it. These comparatively compact 33MP and 61MP models sit on either side of the existing a7 IV, but both gain the dedicated 'AI processing unit' co-processor we originally saw further up the model range, promising better subject recognition and AF performance and bringing a series of f...