Casio EX-100 weighs 389 g and has external dimensions of 119x67x50 mm. Considering that the average weight of Compact type cameras is 188g, Casio EX-100 is a significantly heavy camera for its class. With a thickness of 50mm, it is not small either, 21mm thicker than the average of its class.
In order to give you a better idea about the real life size of Casio EX-100, we have added an image of how it looks next to a credit card and an AA type battery.
Now lets compare the weight and thickness of Casio EX-100 with its main competitors:
Casio EX-100 doesn't have any environmental sealings on its body so you got to be extra careful to protect it against water and dust. If you shoot under these conditions very often, consider checking Top Compact Cameras with Weather Sealing page.