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 Sony TX20 and Olympus TG-3 side-by-side from the front, back and top in their relative dimensions. 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). 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 Sony TX20 and the Olympus TG-3. 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 Sony TX20 and Olympus TG-3.
Now lets look at the top view comparison of Sony TX20 and Olympus TG-3.
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
Sony TX20 and Olympus TG-3'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.