Size and weight are big decision factors when you are trying to find the ideal camera for your needs.
In this section, we are going to illustrate the Nikon L31 and Panasonic FX90 side-by-side from the front, back and top in their relative dimensions. Nikon L31 has external dimensions of 96 x 59 x 29 mm (3.78 x 2.32 x 1.14″) and weighs 160 g (0.35 lb / 5.64 oz) (including batteries). Panasonic FX90 has external dimensions of 102 x 56 x 22 mm (4.02 x 2.2 x 0.87″) and weighs 149 g (0.33 lb / 5.26 oz) (including batteries).
Below you can see the front-view size comparison of the Nikon L31 and the Panasonic FX90. Panasonic FX90 is 3mm shorter and 7mm thinner than Nikon L31 but it is also 6mm wider.
Here is the back view size comparison of the Nikon L31 and Panasonic FX90.
Now lets look at the top view comparison of Nikon L31 and Panasonic FX90.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Panasonic FX90 is 11g lighter than the Nikon L31 but we don't think this will make a significant difference.
Unfortunately neither the Nikon Coolpix L31 nor Panasonic Lumix DMC-FX90 provides any type of weather sealing in their bodies, 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
Panasonic FX90's 3.00" LCD screen is slightly larger than Nikon L31's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.