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 Ricoh WG-20 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). Ricoh WG-20 has external dimensions of 114 x 58 x 28 mm (4.49 x 2.28 x 1.1″) and weighs 164 g (0.36 lb / 5.78 oz) (including batteries).
Below you can see the front-view size comparison of the Casio EX-Z450 and the Ricoh WG-20. Casio EX-Z450 is clearly the smaller of the two cameras. Its body is 33mm narrower, 2mm shorter and 7mm thinner than Ricoh WG-20.
Here is the back view size comparison of the Casio EX-Z450 and Ricoh WG-20.
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 (36g ) than the Ricoh WG-20 which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the WG-20, 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's 3.00" LCD screen is slightly larger than Ricoh WG-20's 2.7 screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.