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 Ricoh WG-5 GPS and Nikon S3100 side-by-side from the front, back and top in their relative dimensions. Ricoh WG-5 GPS has external dimensions of 125 x 65 x 32 mm (4.92 x 2.56 x 1.26″) and weighs 236 g (0.52 lb / 8.32 oz) (including batteries). Nikon S3100 has external dimensions of 94 x 58 x 18 mm (3.7 x 2.28 x 0.71″) and weighs 118 g (0.26 lb / 4.16 oz) (including batteries).
Below you can see the front-view size comparison of the Ricoh WG-5 GPS and the Nikon S3100. Nikon S3100 is clearly the smaller of the two cameras. Its body is 31mm narrower, 7mm shorter and 14mm thinner than Ricoh WG-5 GPS.
Here is the back view size comparison of the Ricoh WG-5 GPS and Nikon S3100.
Now lets look at the top view comparison of Ricoh WG-5 GPS and Nikon S3100.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Nikon S3100 is significantly lighter (118g ) than the Ricoh WG-5 GPS which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the WG-5 GPS, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the S3100.
LCD Screen Size and Features
Ricoh WG-5 GPS's 3.00" LCD screen is slightly larger than Nikon S3100's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.