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 GPS and Pentax XG-1 side-by-side from the front, back and top in their relative dimensions. Pentax WG-1 GPS has external dimensions of 116 x 59 x 29 mm (4.55 x 2.3 x 1.12″) and weighs 167 g (0.37 lb / 5.89 oz) (including batteries). Pentax XG-1 has external dimensions of 119 x 89 x 98 mm (4.69 x 3.5 x 3.84″) and weighs 567 g (1.25 lb / 20.00 oz) (including batteries).
Below you can see the front-view size comparison of the Pentax WG-1 GPS and the Pentax XG-1. Pentax WG-1 GPS is clearly the smaller of the two cameras. Its body is 3mm narrower, 30mm shorter and 69mm thinner than Pentax XG-1.
Here is the back view size comparison of the Pentax WG-1 GPS and Pentax XG-1.
Now lets look at the top view comparison of Pentax WG-1 GPS and Pentax XG-1.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Pentax WG-1 GPS is significantly lighter (400g ) than the Pentax XG-1 which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the WG-1 GPS, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the XG-1.
LCD Screen Size and Features
Pentax XG-1's 3.00" LCD screen is slightly larger than Pentax WG-1 GPS's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.