Below you can see the front view size comparison of Leica Q and Sony A7S II. Sony A7S II is 3mm narrower and 33mm thinner than Leica Q but it is also 16mm taller.
Leica Q vs Sony A7S II - Front View
Leica Q vs Sony A7S II - Top View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
Select Two Cameras for Size Comparison