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 Samsung ST100 and Olympus TG-3 side-by-side from the front, back and top in their relative dimensions. Samsung ST100 has external dimensions of 100 x 60 x 20 mm (3.94 x 2.36 x 0.79″) and weighs 155 g (0.34 lb / 5.47 oz) (including batteries). 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).
Below you can see the front-view size comparison of the Samsung ST100 and the Olympus TG-3. Samsung ST100 is clearly the smaller of the two cameras. Its body is 12mm narrower, 6mm shorter and 11mm thinner than Olympus TG-3.
Here is the back view size comparison of the Samsung ST100 and Olympus TG-3.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Samsung ST100 is significantly lighter (92g ) 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 ST100.
LCD Screen Size and Features
Samsung ST100's 3.50" LCD screen is slightly larger than Olympus TG-3's 3 screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.