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 Canon G9 X 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). Canon G9 X has external dimensions of 98 x 58 x 31 mm (3.86 x 2.28 x 1.21″) and weighs 209 g (0.46 lb / 7.37 oz) (including batteries).
Below you can see the front view size comparison of Nikon L31 and Canon G9 X. Nikon L31 is 2mm narrower and 2mm thinner than Canon G9 X but it is also 1mm taller.
Here is the back view size comparison of Nikon L31 and Canon G9 X.
Now lets look at the top view comparison of Nikon L31 and Canon G9 X.
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 (49g ) than the Canon G9 X which may become a big advantage especially on long walking trips.
Unfortunately neither Nikon Coolpix L31 nor Canon PowerShot G9 X 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
Canon G9 X'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.