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-ZR400 and Fujifilm F800EXR side-by-side from the front, back and top in their relative dimensions. Casio EX-ZR400 has external dimensions of 105 x 59 x 29 mm (4.13 x 2.32 x 1.14″) and weighs 205 g (0.45 lb / 7.23 oz) (including batteries). Fujifilm F800EXR has external dimensions of 105 x 63 x 36 mm (4.13 x 2.48 x 1.42″) and weighs 232 g (0.51 lb / 8.18 oz) (including batteries).
Below you can see the front view size comparison of Casio EX-ZR400 and Fujifilm F800EXR. Casio EX-ZR400 has the same height with Fujifilm F800EXR. On the other hand, with a width of 59mm, it is 4 narrower and also with a thickness of 29mm, it is 7mm thinner than Fujifilm F800EXR.
Here is the back view size comparison of Casio EX-ZR400 and Fujifilm F800EXR.
Now lets look at the top view comparison of Casio EX-ZR400 and Fujifilm F800EXR.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Casio EX-ZR400 is 27g lighter than the Fujifilm F800EXR but we don't think this will make a significant difference.
Unfortunately neither Casio Exilim EX-ZR400 nor Fujifilm FinePix F800EXR 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-ZR400 and Fujifilm F800EXR's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.