Below you can see the front view size comparison of Hasselblad X1D and Panasonic GX9. Panasonic GX9 is clearly the smaller of the two cameras. Its body is 26mm narrower, 26mm shorter and 24mm thinner than Hasselblad X1D.
Hasselblad X1D vs Panasonic GX9 - Front View
Hasselblad X1D vs Panasonic GX9 - 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