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-FC100 and Leica D-Lux 6 side-by-side from the front, back and top in their relative dimensions. Casio EX-FC100 has external dimensions of 100 x 59 x 23 mm (3.94 x 2.32 x 0.91″) and weighs 156 g (0.34 lb / 5.50 oz) (including batteries). Leica D-Lux 6 has external dimensions of 111 x 68 x 46 mm (4.37 x 2.68 x 1.81″) and weighs 298 g (0.66 lb / 10.51 oz) (including batteries).
Below you can see the front view size comparison of Casio EX-FC100 and Leica D-Lux 6. Casio EX-FC100 is clearly the smaller of the two cameras. Its body is 11mm narrower, 9mm shorter and 23mm thinner than Leica D-Lux 6.
Here is the back view size comparison of Casio EX-FC100 and Leica D-Lux 6.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Casio EX-FC100 is significantly lighter (142g ) than the Leica D-Lux 6 which may become a big advantage especially on long walking trips.
Unfortunately neither Casio Exilim EX-FC100 nor Leica D-Lux 6 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
Leica D-Lux 6's 3" LCD screen is slightly larger than Casio EX-FC100's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.