Below you can see the front-view size comparison of the Hasselblad X1D and Fujifilm GFX 100. The Hasselblad X1D is clearly the smaller of the two cameras. Its body is 6mm narrower, 66 mm shorter and 32 mm thinner than the Fujifilm GFX 100.
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.