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-ZR1000 and Casio EX-100 side-by-side from the front, back and top in their relative dimensions. Casio EX-ZR1000 has external dimensions of 108 x 62 x 37 mm (4.25 x 2.44 x 1.46″) and weighs 255 g (0.56 lb / 8.99 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 the Casio EX-ZR1000 and the Casio EX-100. Casio EX-ZR1000 is clearly the smaller of the two cameras. Its body is 11mm narrower, 5mm shorter and 13mm thinner than Casio EX-100.
Here is the back view size comparison of the Casio EX-ZR1000 and Casio EX-100.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Casio EX-ZR1000 is significantly lighter (134g ) than the Casio EX-100 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Casio Exilim EX-ZR1000 nor Casio Exilim EX-100 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
Casio EX-100's 3.50" LCD screen is slightly larger than Casio EX-ZR1000's 3 screen.