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 Fujifilm X10 and Pentax WG-3 GPS side-by-side from the front, back and top in their relative dimensions. Fujifilm X10 has external dimensions of 117 x 70 x 57 mm (4.61 x 2.76 x 2.24″) and weighs 350 g (0.77 lb / 12.35 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 Fujifilm X10 and the Pentax WG-3 GPS. Pentax WG-3 GPS is 6mm shorter and 24mm thinner than Fujifilm X10 but it is also 8mm wider.
Here is the back view size comparison of the Fujifilm X10 and Pentax WG-3 GPS.
Now lets look at the top view comparison of Fujifilm X10 and Pentax WG-3 GPS.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Pentax WG-3 GPS is significantly lighter (112g ) than the Fujifilm X10 which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the WG-3 GPS, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the X10.
LCD Screen Size and Features
Pentax WG-3 GPS's 3.00" LCD screen is slightly larger than Fujifilm X10's 2.8 screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.