Below you can see the front-view size comparison of the Olympus TG-3 and Hasselblad X1D. The Olympus TG-3 is clearly the smaller of the two cameras. Its body is 38mm narrower, 32 mm shorter and 40 mm thinner than the Hasselblad X1D.
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.