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 Nikon L31 and Fujifilm F660EXR 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). Fujifilm F660EXR has external dimensions of 104 x 59 x 33 mm (4.09 x 2.32 x 1.3″) and weighs 217 g (0.48 lb / 7.65 oz) (including batteries).
Below you can see the front view size comparison of Nikon L31 and Fujifilm F660EXR. Nikon L31 is 8mm narrower and 4mm thinner than Nikon L31 but they have the same height of 59mm.
Here is the back view size comparison of Nikon L31 and Fujifilm F660EXR.
Now lets look at the top view comparison of Nikon L31 and Fujifilm F660EXR.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Nikon L31 is significantly lighter (57g ) than the Fujifilm F660EXR which may become a big advantage especially on long walking trips.
Unfortunately neither Nikon Coolpix L31 nor Fujifilm FinePix F660EXR 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 F660EXR's 3" 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.