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 L810 and Nikon S6400 side-by-side from the front, back and top in their relative dimensions. Nikon L810 has external dimensions of 111 x 76 x 83 mm (4.37 x 2.99 x 3.27″) and weighs 430 g (0.95 lb / 15.17 oz) (including batteries). Nikon S6400 has external dimensions of 95 x 58 x 27 mm (3.74 x 2.28 x 1.06″) and weighs 150 g (0.33 lb / 5.29 oz) (including batteries).
Below you can see the front-view size comparison of the Nikon L810 and the Nikon S6400. Nikon S6400 is clearly the smaller of the two cameras. Its body is 16mm narrower, 18mm shorter and 56mm thinner than Nikon L810.
Comparison image of the Nikon L810 and the Nikon S6400 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of the Nikon L810 and Nikon S6400.
Comparison image of the Nikon L810 and the Nikon S6400 Size and Weight - Back View
Now lets look at the top view comparison of Nikon L810 and Nikon S6400.
Top View Comparison image of the Nikon L810 and the Nikon S6400 Size
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Nikon S6400 is significantly lighter (280g ) than the Nikon L810 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Nikon Coolpix L810 nor Nikon Coolpix S6400 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 L810 and Nikon S6400's LCD screens have the same diagonal size of 3.00 inches.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.