Below you can see the front view size comparison of Sony RX1R and Zeiss ZX1. Sony RX1R is 29mm narrower and 28mm shorter than Zeiss ZX1 but it is also 24mm thicker.
Sony RX1R vs Zeiss ZX1 - Front View
Sony RX1R vs Zeiss ZX1 - 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