Below you can see the front view size comparison of Zeiss ZX1 and Canon RP. Canon RP is 9mm narrower and 8mm shorter than Zeiss ZX1 but it is also 24mm thicker.
Zeiss ZX1 vs Canon RP - Front View
Zeiss ZX1 vs Canon RP - 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