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 Pentax WG-3 GPS 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). Pentax WG-3 GPS has external dimensions of 125 x 64 x 33 mm (4.9 x 2.5 x 1.3″) and weighs 238 g (0.52 lb / 8.40 oz) (including batteries).
Below you can see the front-view size comparison of the Sony TX20 and the Pentax WG-3 GPS. Sony TX20 is clearly the smaller of the two cameras. Its body is 29mm narrower, 8mm shorter and 15mm thinner than Pentax WG-3 GPS.
Comparison image of the Sony TX20 and the Pentax WG-3 GPS Size, Weight and External Dimensions - Front View
Now lets look at the top view comparison of Sony TX20 and Pentax WG-3 GPS.
Top View Comparison image of the Sony TX20 and the Pentax WG-3 GPS Size
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 (105g ) than the Pentax WG-3 GPS which may become a big advantage especially on long walking trips.
Weather Sealing
LCD Screen Size and Features
Sony TX20 and Pentax WG-3 GPS'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.
