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-10 and Nikon P7100 side-by-side from the front, back and top in their relative dimensions. Pentax WG-10 has external dimensions of and weighs 167 g (including batteries). Nikon P7100 has external dimensions of 116 x 77 x 48 mm (4.57 x 3.03 x 1.89″) and weighs 395 g (0.87 lb / 13.93 oz) (including batteries).
Below you can see the front-view size comparison of the Pentax WG-10 and the Nikon P7100. Pentax WG-10 has the same height with Nikon P7100. On the other hand, with a width of 59mm, it is 18 narrower and also with a thickness of 29mm, it is 19mm thinner than Nikon P7100.
Now lets look at the top view comparison of Pentax WG-10 and Nikon P7100.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Pentax WG-10 is significantly lighter (228g ) than the Nikon P7100 which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the WG-10, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the P7100.
LCD Screen Size and Features
Nikon P7100's 3.00" LCD screen is slightly larger than Pentax WG-10's 2.7" screen.
In addition to the size advantage, Nikon P7100 LCD screen also has a
Tilting feature where you can change the angle of the screen to make it easier to shoot from waist or over-the-head levels. On the other hand, Pentax WG-10 has a fixed type screen which provides less flexibility in shooting positions compared to P7100.