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 L120 and Canon A3400 IS side-by-side from the front, back and top in their relative dimensions. Nikon L120 has external dimensions of 110 x 77 x 78 mm (4.33 x 3.03 x 3.07″) and weighs 431 g (0.95 lb / 15.20 oz) (including batteries). Canon A3400 IS has external dimensions of 94 x 56 x 21 mm (3.7 x 2.2 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 Nikon L120 and Canon A3400 IS. Canon A3400 IS is clearly the smaller of the two cameras. Its body is 16mm narrower, 21mm shorter and 57mm thinner than Nikon L120.
Here is the back view size comparison of Nikon L120 and Canon A3400 IS.
Now lets look at the top view comparison of Nikon L120 and Canon A3400 IS.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Canon A3400 IS is significantly lighter (305g ) than the Nikon L120 which may become a big advantage especially on long walking trips.
Unfortunately neither Nikon Coolpix L120 nor Canon PowerShot A3400 IS 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
Nikon L120 and Canon A3400 IS's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.