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 Sony T900 and Olympus TG-870 side-by-side from the front, back and top in their relative dimensions. Sony T900 has external dimensions of 98 x 58 x 16 mm (3.86 x 2.28 x 0.63″) and weighs 143 g (0.32 lb / 5.04 oz) (including batteries). Olympus TG-870 has external dimensions of 113 x 64 x 28 mm (4.45 x 2.52 x 1.1″) and weighs 221 g (0.49 lb / 7.80 oz) (including batteries).
Below you can see the front view size comparison of Sony T900 and Olympus TG-870. Sony T900 is clearly the smaller of the two cameras. Its body is 15mm narrower, 6mm shorter and 12mm thinner than Olympus TG-870.
Here is the back view size comparison of Sony T900 and Olympus TG-870.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Sony T900 is significantly lighter (78g ) than the Olympus TG-870 which may become a big advantage especially on long walking trips.
LCD Screen Size and Features
Sony T900's 3.50" LCD screen is slightly larger than Olympus TG-870's 3" screen.