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-870 and Sony TX20 side-by-side from the front, back and top in their relative dimensions. 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). Sony TX20 has external dimensions of 96 x 56 x 18 mm (3.78 x 2.2 x 0.71″) and weighs 133 g (0.29 lb / 4.69 oz) (including batteries).
Below you can see the front-view size comparison of the Olympus TG-870 and the Sony TX20. Sony TX20 is clearly the smaller of the two cameras. Its body is 17mm narrower, 8mm shorter and 10mm thinner than Olympus TG-870.
Here is the back view size comparison of the Olympus TG-870 and Sony TX20.
Now lets look at the top view comparison of Olympus TG-870 and Sony TX20.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Sony TX20 is significantly lighter (88g ) than the Olympus TG-870 which may become a big advantage especially on long walking trips.
Weather Sealing
LCD Screen Size and Features
Olympus TG-870 and Sony TX20's LCD screens have the same diagonal size of 3.00 inches.
On the other hand, Olympus TG-870 features a
Tilting screen where you can change the angle of the screen to make it easier to shoot from waist or over-the-head levels whereas the Sony TX20 has a fixed type screen which provides less flexibility in shooting positions compared to TG-870.