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 FujiFilm JV100 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). FujiFilm JV100 has external dimensions of 93 x 55 x 21 mm (3.66 x 2.17 x 0.83″) and weighs 126 g (0.28 lb / 4.44 oz) (including batteries).
Below you can see the front view size comparison of Panasonic FX48 and FujiFilm JV100. FujiFilm JV100 is 2mm narrower and 1mm thinner than Panasonic FX48 but it is also 2mm taller.
Here is the back view size comparison of Panasonic FX48 and FujiFilm JV100.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
FujiFilm JV100 is significantly lighter (24g ) than the Panasonic FX48 which may become a big advantage especially on long walking trips.
Unfortunately neither Panasonic Lumix DMC-FX48 (Lumix DMC-FX40) nor FujiFilm FinePix JV100 (FinePix JV105) 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 JV100'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.