Size and weight is a big decision factor when you are trying to find the ideal camera for your needs.
In this section, We are going to illustrate Olympus FE-4030 and Casio EX-100 side-by-side from the front, back and top in their relative dimensions. Olympus FE-4030 has external dimensions of 93 x 56 x 22 mm (3.66 x 2.2 x 0.87″) and weighs 146 g (0.32 lb / 5.15 oz) (including batteries). Casio EX-100 has external dimensions of 119x67x50 mm and weighs 389 g (including batteries).
Below you can see the front view size comparison of Olympus FE-4030 and Casio EX-100. Olympus FE-4030 is clearly the smaller of the two cameras. Its body is 26mm narrower, 11mm shorter and 28mm thinner than Casio EX-100.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Olympus FE-4030 is significantly lighter (243g ) than the Casio EX-100 which may become a big advantage especially on long walking trips.
Unfortunately neither Olympus FE-4030 nor Casio Exilim EX-100 provides any type of weather sealing in their body, 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
Casio EX-100's 3.5" LCD screen is slightly larger than Olympus FE-4030's 2.7" screen.
In addition to the size advantage, Casio EX-100 LCD screen also has a Tilting feature
where you can change the angle of the screen to make it easier to shoot from waist or over the head levels. On the other hand, Olympus FE-4030 has a fixed type screen which provides less flexibility in shooting positions compared to EX-100.