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 Sony TX20 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). 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-3 and the Sony TX20. Sony TX20 is clearly the smaller of the two cameras. Its body is 16mm narrower, 10mm shorter and 13mm thinner than Olympus TG-3.
Here is the back view size comparison of the Olympus TG-3 and Sony TX20.
Now lets look at the top view comparison of Olympus TG-3 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 (114g ) than the Olympus TG-3 which may become a big advantage especially on long walking trips.
Weather Sealing
LCD Screen Size and Features
Olympus TG-3 and Sony TX20'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.