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 Casio EX-Z800 and Fujifilm XQ1 side-by-side from the front, back and top in their relative dimensions. Casio EX-Z800 has external dimensions of 91 x 52 x 20 mm (3.58 x 2.05 x 0.79″) and weighs 124 g (0.27 lb / 4.37 oz) (including batteries). Fujifilm XQ1 has external dimensions of 100 x 59 x 33 mm (3.94 x 2.32 x 1.3″) and weighs 206 g (0.45 lb / 7.27 oz) (including batteries).
Below you can see the front view size comparison of Casio EX-Z800 and Fujifilm XQ1. Casio EX-Z800 is clearly the smaller of the two cameras. Its body is 9mm narrower, 7mm shorter and 13mm thinner than Fujifilm XQ1.
Here is the back view size comparison of Casio EX-Z800 and Fujifilm XQ1.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Casio EX-Z800 is significantly lighter (82g ) than the Fujifilm XQ1 which may become a big advantage especially on long walking trips.
Unfortunately neither Casio Exilim EX-Z800 nor Fujifilm XQ1 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
Fujifilm XQ1's 3.00" LCD screen is slightly larger than Casio EX-Z800's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.