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 Ricoh WG-4 GPS and Pentax W90 side-by-side from the front, back and top in their relative dimensions. Ricoh WG-4 GPS has external dimensions of 124 x 64 x 33 mm (4.88 x 2.52 x 1.3″) and weighs 235 g (0.52 lb / 8.29 oz) (including batteries). Pentax W90 has external dimensions of 108 x 59 x 25 mm (4.25 x 2.32 x 0.98″) and weighs 164 g (0.36 lb / 5.78 oz) (including batteries).
Below you can see the front-view size comparison of the Ricoh WG-4 GPS and the Pentax W90. Pentax W90 is clearly the smaller of the two cameras. Its body is 16mm narrower, 5mm shorter and 8mm thinner than Ricoh WG-4 GPS.
Here is the back view size comparison of the Ricoh WG-4 GPS and Pentax W90.
Now lets look at the top view comparison of Ricoh WG-4 GPS and Pentax W90.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Pentax W90 is significantly lighter (71g ) than the Ricoh WG-4 GPS which may become a big advantage especially on long walking trips.
Weather Sealing
LCD Screen Size and Features
Ricoh WG-4 GPS's 3.00" LCD screen is slightly larger than Pentax W90's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.