Below you can see the front-view size comparison of the Olympus TG-5 and Fujifilm X-E2S. The Olympus TG-5 is clearly the smaller of the two cameras. Its body is 16mm narrower, 9 mm shorter and 5 mm thinner than the Fujifilm X-E2S.
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.