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 Nikon P330 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). Nikon P330 has external dimensions of 103 x 58 x 32 mm (4.06 x 2.28 x 1.26″) and weighs 200 g (0.44 lb / 7.05 oz) (including batteries).
Below you can see the front view size comparison of Casio EX-FC100 and Nikon P330. Casio EX-FC100 is 3mm narrower and 9mm thinner than Nikon P330 but it is also 1mm taller.
Here is the back view size comparison of Casio EX-FC100 and Nikon P330.
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 (44g ) than the Nikon P330 which may become a big advantage especially on long walking trips.
Unfortunately neither Casio Exilim EX-FC100 nor Nikon Coolpix P330 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
Nikon P330'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.