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 S3700 and Nikon S5200 side-by-side from the front, back and top in their relative dimensions. Nikon S3700 has external dimensions of 96 x 58 x 20 mm (3.78 x 2.28 x 0.79″) and weighs 118 g (0.26 lb / 4.16 oz) (including batteries). Nikon S5200 has external dimensions of 98 x 58 x 22 mm (3.86 x 2.28 x 0.87″) and weighs 146 g (0.32 lb / 5.15 oz) (including batteries).
Below you can see the front-view size comparison of the Nikon S3700 and the Nikon S5200. Nikon S3700 is 2mm narrower and 2mm thinner than Nikon S3700 but they have the same height of 58mm.
Here is the back view size comparison of the Nikon S3700 and Nikon S5200.
Now lets look at the top view comparison of Nikon S3700 and Nikon S5200.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Nikon S3700 is significantly lighter (28g ) than the Nikon S5200 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Nikon Coolpix S3700 nor Nikon Coolpix S5200 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 S5200's 3.00" LCD screen is slightly larger than Nikon S3700's 2.7 screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.