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 Olympus TG-3 and Nikon S8100 side-by-side from the front, back and top in their relative dimensions. Olympus TG-3 has external dimensions of 112 x 66 x 31 mm (4.41 x 2.6 x 1.22″) and weighs 247 g (0.54 lb / 8.71 oz) (including batteries). Nikon S8100 has external dimensions of 104 x 60 x 30 mm (4.09 x 2.36 x 1.18″) and weighs 180 g (0.40 lb / 6.35 oz) (including batteries).
Below you can see the front-view size comparison of the Olympus TG-3 and the Nikon S8100. Nikon S8100 is clearly the smaller of the two cameras. Its body is 8mm narrower, 6mm shorter and 1mm thinner than Olympus TG-3.
Here is the back view size comparison of the Olympus TG-3 and Nikon S8100.
Now lets look at the top view comparison of Olympus TG-3 and Nikon S8100.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Nikon S8100 is significantly lighter (67g ) than the Olympus TG-3 which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the TG-3, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the S8100.
LCD Screen Size and Features
Olympus TG-3 and Nikon S8100'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.