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 and Pentax I-10 side-by-side from the front, back and top in their relative dimensions. Ricoh WG-4 has external dimensions of 124 x 64 x 33 mm (4.88 x 2.52 x 1.3″) and weighs 230 g (0.51 lb / 8.11 oz) (including batteries). Pentax I-10 has external dimensions of 101 x 65 x 28 mm (3.98 x 2.56 x 1.1″) and weighs 153 g (0.34 lb / 5.40 oz) (including batteries).
Below you can see the front-view size comparison of the Ricoh WG-4 and the Pentax I-10. Pentax I-10 is 23mm narrower and 5mm thinner than Ricoh WG-4 but it is also 1mm taller.
Here is the back view size comparison of the Ricoh WG-4 and Pentax I-10.
Now lets look at the top view comparison of Ricoh WG-4 and Pentax I-10.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Pentax I-10 is significantly lighter (77g ) than the Ricoh WG-4 which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the WG-4, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the I-10.
LCD Screen Size and Features
Ricoh WG-4's 3.00" LCD screen is slightly larger than Pentax I-10's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.