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 Sony W800 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). Sony W800 has external dimensions of 97 x 55 x 21 mm (1.97 x 0.87 x 2.13″) and weighs 125 g (0.28 lb / 4.41 oz) (including batteries).
Below you can see the front view size comparison of Nikon S6100 and Sony W800. Sony W800 is clearly the smaller of the two cameras. Its body is 1mm narrower, 3mm shorter and 6mm thinner than Nikon S6100.
Comparison image of Nikon S6100 and Sony W800 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Nikon S6100 and Sony W800.
Comparison image of Nikon S6100 and Sony W800 Size and Weight - Back View
Now lets look at the top view comparison of Nikon S6100 and Sony W800.
Top View Comparison image of Nikon S6100 and Sony W800 Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Sony W800 is significantly lighter (50g ) than the Nikon S6100 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither Nikon Coolpix S6100 nor Sony Cyber-shot DSC-W800 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 3.00" LCD screen is slightly larger than Sony W800's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.