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 Pentax WG-1 and Olympus TG-4 side-by-side from the front, back and top in their relative dimensions. Pentax WG-1 has external dimensions of 114 x 58 x 28 mm (4.49 x 2.28 x 1.1″) and weighs 157 g (0.35 lb / 5.54 oz) (including batteries). Olympus TG-4 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 Pentax WG-1 and the Olympus TG-4. Pentax WG-1 is 8mm shorter and 3mm thinner than Olympus TG-4 but it is also 2mm wider.
Here is the back view size comparison of the Pentax WG-1 and Olympus TG-4.
Now lets look at the top view comparison of Pentax WG-1 and Olympus TG-4.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Pentax WG-1 is significantly lighter (90g ) than the Olympus TG-4 which may become a big advantage especially on long walking trips.
Weather Sealing
LCD Screen Size and Features
Olympus TG-4's 3.00" LCD screen is slightly larger than Pentax WG-1's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.