Below you can see the front-view size comparison of the Fujifilm F550 EXR and Panasonic G7. The Fujifilm F550 EXR is clearly the smaller of the two cameras. Its body is 21mm narrower, 23 mm shorter and 44 mm thinner than the Panasonic G7.
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.