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 Olympus SH-3 and Nikon S810c side-by-side from the front, back and top in their relative dimensions. Olympus SH-3 has external dimensions of 109 x 63 x 42 mm (4.29 x 2.48 x 1.65″) and weighs 271 g (0.60 lb / 9.56 oz) (including batteries). Nikon S810c has external dimensions of 113 x 64 x 28 mm (4.45 x 2.52 x 1.1″) and weighs 216 g (0.48 lb / 7.62 oz) (including batteries).
Below you can see the front view size comparison of Olympus SH-3 and Nikon S810c. Olympus SH-3 is 4mm narrower and 1mm shorter than Nikon S810c but it is also 14mm thicker.
Here is the back view size comparison of Olympus SH-3 and Nikon S810c.
Now lets look at the top view comparison of Olympus SH-3 and Nikon S810c.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Nikon S810c is significantly lighter (55g ) than the Olympus SH-3 which may become a big advantage especially on long walking trips.
Unfortunately neither Olympus Stylus SH-3 nor Nikon Coolpix S810c 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 S810c's 3.7" LCD screen is slightly larger than Olympus SH-3's 3" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.