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 Fujifilm Z900EXR 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). Fujifilm Z900EXR has external dimensions of 101 x 59 x 18 mm (3.98 x 2.32 x 0.71″) and weighs 151 g (0.33 lb / 5.33 oz) (including batteries).
Below you can see the front view size comparison of Nikon S6100 and Fujifilm Z900EXR. Nikon S6100 is 3mm narrower and 1mm shorter than Fujifilm Z900EXR but it is also 9mm thicker.
Here is the back view size comparison of Nikon S6100 and Fujifilm Z900EXR.
Now lets look at the top view comparison of Nikon S6100 and Fujifilm Z900EXR.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Unfortunately neither Nikon Coolpix S6100 nor Fujifilm FinePix Z900EXR 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
Fujifilm Z900EXR's 3.5" LCD screen is slightly larger than Nikon S6100's 3" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.