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-Z450 and Olympus TG-810 side-by-side from the front, back and top in their relative dimensions. Casio EX-Z450 has external dimensions of 81 x 56 x 21 mm (3.19 x 2.2 x 0.83″) and weighs 128 g (0.28 lb / 4.52 oz) (including batteries). Olympus TG-810 has external dimensions of 100 x 65 x 26 mm (3.94 x 2.56 x 1.02″) and weighs 215 g (0.47 lb / 7.58 oz) (including batteries).
Below you can see the front-view size comparison of the Casio EX-Z450 and the Olympus TG-810. Casio EX-Z450 is clearly the smaller of the two cameras. Its body is 19mm narrower, 9mm shorter and 5mm thinner than Olympus TG-810.
Here is the back view size comparison of the Casio EX-Z450 and Olympus TG-810.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Casio EX-Z450 is significantly lighter (87g ) than the Olympus TG-810 which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the TG-810, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the EX-Z450.
LCD Screen Size and Features
Casio EX-Z450 and Olympus TG-810's LCD screens have the same diagonal size of 3.00 inches.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.