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 Panasonic FX48 and Casio EX-Z800 side-by-side from the front, back and top in their relative dimensions. Panasonic FX48 has external dimensions of 95 x 53 x 22 mm (3.74 x 2.09 x 0.87″) and weighs 150 g (0.33 lb / 5.29 oz) (including batteries). 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).
Below you can see the front view size comparison of Panasonic FX48 and Casio EX-Z800. Casio EX-Z800 is clearly the smaller of the two cameras. Its body is 4mm narrower, 1mm shorter and 2mm thinner than Panasonic FX48.
Comparison image of Panasonic FX48 and Casio EX-Z800 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Panasonic FX48 and Casio EX-Z800.
Comparison image of Panasonic FX48 and Casio EX-Z800 Size and Weight - Back View
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 (26g ) than the Panasonic FX48 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither Panasonic Lumix DMC-FX48 (Lumix DMC-FX40) nor Casio Exilim EX-Z800 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-Z800's 2.7" LCD screen is slightly larger than Panasonic FX48's 2.5" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.