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 P500 and Canon S100 side-by-side from the front, back and top in their relative dimensions. Nikon P500 has external dimensions of 116 x 84 x 10 mm (4.57 x 3.31 x 4.06″) and weighs 494 g (1.09 lb / 17.43 oz) (including batteries). Canon S100 has external dimensions of 99 x 60 x 28 mm (3.9 x 2.36 x 1.1″) and weighs 198 g (0.44 lb / 6.98 oz) (including batteries).
Below you can see the front view size comparison of Nikon P500 and Canon S100. Canon S100 is clearly the smaller of the two cameras. Its body is 17mm narrower, 24mm shorter and 75mm thinner than Nikon P500.
Here is the back view size comparison of Nikon P500 and Canon S100.
Now lets look at the top view comparison of Nikon P500 and Canon S100.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Canon S100 is significantly lighter (296g ) than the Nikon P500 which may become a big advantage especially on long walking trips.
Unfortunately neither Nikon Coolpix P500 nor Canon PowerShot S100 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 Bridge Cameras with Weather Sealing Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Nikon P500 and Canon S100's LCD screens has the same diagonal size of 3".
On the other hand, Nikon P500 features a Tilting screen
where you can change the angle of the screen to make it easier to shoot from waist or over the head levels whereas the Canon S100 has a fixed type screen which provides less flexibility in shooting positions compared to P500.