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 S9100 and Canon A1400 side-by-side from the front, back and top in their relative dimensions. Nikon S9100 has external dimensions of 105 x 62 x 35 mm (4.13 x 2.44 x 1.38″) and weighs 214 g (0.47 lb / 7.55 oz) (including batteries). Canon A1400 has external dimensions of 95 x 62 x 30 mm (3.74 x 2.44 x 1.18″) and weighs 174 g (0.38 lb / 6.14 oz) (including batteries).
Below you can see the front-view size comparison of the Nikon S9100 and the Canon A1400. Nikon S9100 has the same height with Canon A1400. On the other hand, with a width of 105mm, it is 10 wider and also with a thickness of 35mm, it is 5mm thicker than Canon A1400.
Here is the back view size comparison of the Nikon S9100 and Canon A1400.
Now lets look at the top view comparison of Nikon S9100 and Canon A1400.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Canon A1400 is significantly lighter (40g ) than the Nikon S9100 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Nikon Coolpix S9100 nor Canon PowerShot A1400 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
Nikon S9100's 3.00" LCD screen is slightly larger than Canon A1400's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.