Below you can see the front view size comparison of Olympus TG-3 and Casio EX-100. Olympus TG-3 is clearly the smaller of the two cameras. Its body is 7mm narrower, 1mm shorter and 19mm thinner than Casio EX-100.
Olympus TG-3 vs Casio EX-100 - Front View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
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