Below you can see the front-view size comparison of the Hasselblad X1D and Leica M Typ 240. The Leica M Typ 240 is clearly the smaller of the two cameras. Its body is 11 mm narrower, 18 mm shorter and 29 mm thinner than the Hasselblad X1D.
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.