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 Canon ELPH 190 IS and Nikon A100 side-by-side from the front, back and top in their relative dimensions. Canon ELPH 190 IS has external dimensions of 95 x 57 x 24 mm (3.74 x 2.24 x 0.94″) and weighs 138 g (0.30 lb / 4.87 oz) (including batteries). Nikon A100 has external dimensions of 95 x 59 x 20 mm (3.74 x 2.32 x 0.79″) and weighs 119 g (0.26 lb / 4.20 oz) (including batteries).
Below you can see the front-view size comparison of the Canon ELPH 190 IS and the Nikon A100.
Here is the back view size comparison of the Canon ELPH 190 IS and Nikon A100.
Now lets look at the top view comparison of Canon ELPH 190 IS and Nikon A100.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Unfortunately neither the Canon PowerShot ELPH 190 IS nor Nikon Coolpix A100 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
Canon ELPH 190 IS and Nikon A100's LCD screens have the same diagonal size of 2.70 inches.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.