Size and weight are big decision factors when you are trying to find the ideal camera for your needs.
In this section, we are going to illustrate the Casio EX-ZS15 and Olympus SZ-15 side-by-side from the front, back and top in their relative dimensions. Casio EX-ZS15 has external dimensions of 103 x 59 x 20 mm (4.06 x 2.32 x 0.79″) and weighs 154 g (including batteries). Olympus SZ-15 has external dimensions of and weighs 250 g (0.55 lb / 8.82 oz) (including batteries).
Below you can see the front-view size comparison of the Casio EX-ZS15 and the Olympus SZ-15. Casio EX-ZS15 is clearly the smaller of the two cameras. Its body is 5mm narrower, 11mm shorter and 20mm thinner than Olympus SZ-15.
Comparison image of the Casio EX-ZS15 and the Olympus SZ-15 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of the Casio EX-ZS15 and Olympus SZ-15.
Comparison image of the Casio EX-ZS15 and the Olympus SZ-15 Size and Weight - Back View
Now lets look at the top view comparison of Casio EX-ZS15 and Olympus SZ-15.
Top View Comparison image of the Casio EX-ZS15 and the Olympus SZ-15 Size
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Casio EX-ZS15 is significantly lighter (96g ) than the Olympus SZ-15 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Casio Exilim EX-ZS15 nor Olympus SZ-15 provides any type of weather sealing in their bodies, so you have to give extra care especially when you are shooting outdoors. If weather sealing is a must-have feature for you, check these sections: Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Olympus SZ-15's 3.00" LCD screen is slightly larger than Casio EX-ZS15's screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.