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 W90 and Ricoh WG-4 GPS side-by-side from the front, back and top in their relative dimensions. 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). 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).
Below you can see the front-view size comparison of the Pentax W90 and the Ricoh WG-4 GPS. 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 Pentax W90 and Ricoh WG-4 GPS.
Now lets look at the top view comparison of Pentax W90 and Ricoh WG-4 GPS.
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.