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 Casio EX-ZR800 and Nikon L810 side-by-side from the front, back and top in their relative dimensions. Casio EX-ZR800 has external dimensions of 108 x 60 x 31 mm (4.25 x 2.36 x 1.22″) and weighs 222 g (0.49 lb / 7.83 oz) (including batteries). 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).
Below you can see the front-view size comparison of the Casio EX-ZR800 and the Nikon L810. Casio EX-ZR800 is clearly the smaller of the two cameras. Its body is 3mm narrower, 16mm shorter and 52mm thinner than Nikon L810.
Comparison image of the Casio EX-ZR800 and the Nikon L810 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of the Casio EX-ZR800 and Nikon L810.
Comparison image of the Casio EX-ZR800 and the Nikon L810 Size and Weight - Back View
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Casio EX-ZR800 is significantly lighter (208g ) than the Nikon L810 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Casio Exilim EX-ZR800 nor Nikon Coolpix L810 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
Casio EX-ZR800 and Nikon L810'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.