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 S6100 and Nikon S3300 side-by-side from the front, back and top in their relative dimensions. Nikon S6100 has external dimensions of 98 x 58 x 27 mm (3.86 x 2.28 x 1.06″) and weighs 175 g (0.39 lb / 6.17 oz) (including batteries). Nikon S3300 has external dimensions of 95 x 58 x 19 mm (3.74 x 2.28 x 0.75″) and weighs 128 g (0.28 lb / 4.52 oz) (including batteries).
Below you can see the front view size comparison of Nikon S6100 and Nikon S3300. Nikon S6100 has the same height with Nikon S3300. On the other hand, with a width of 98mm, it is 3 wider and also with a thickness of 27mm, it is 8mm thicker than Nikon S3300.
Here is the back view size comparison of Nikon S6100 and Nikon S3300.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Nikon S3300 is significantly lighter (47g ) than the Nikon S6100 which may become a big advantage especially on long walking trips.
Unfortunately neither Nikon Coolpix S6100 nor Nikon Coolpix S3300 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 S6100's 3" LCD screen is slightly larger than Nikon S3300's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.