Size and weight is a big decision factor when you are trying to find the ideal camera for your needs.
In this section, We are going to illustrate Nikon S9900 and Pentax MX-1 side-by-side from the front, back and top in their relative dimensions. Nikon S9900 has external dimensions of 112 x 66 x 40 mm (4.41 x 2.6 x 1.57″) and weighs 289 g (0.64 lb / 10.19 oz) (including batteries). Pentax MX-1 has external dimensions of 122 x 61 x 51 mm (4.8 x 2.4 x 2.01″) and weighs 391 g (0.86 lb / 13.79 oz) (including batteries).
Below you can see the front view size comparison of Nikon S9900 and Pentax MX-1. Nikon S9900 is 10mm narrower and 11mm thinner than Pentax MX-1 but it is also 5mm taller.
Here is the back view size comparison of Nikon S9900 and Pentax MX-1.
Now lets look at the top view comparison of Nikon S9900 and Pentax MX-1.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Nikon S9900 is significantly lighter (102g ) than the Pentax MX-1 which may become a big advantage especially on long walking trips.
Unfortunately neither Nikon Coolpix S9900 nor Pentax MX-1 provides any type of weather sealing in their body, so you have to give extra care especially when you are shooting outdoors. If weather sealing is a must-have feature for you, check these sections: Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Nikon S9900 and Pentax MX-1's LCD screens has the same diagonal size of 3".
Pentax MX-1 features a Tilting only screen
which is mostly only good for shooting from waist or over the head levels. On the other hand, Nikon S9900 sports a Fully Articulated screen
which is more flexible and useful especially for taking Selfie shots and video.