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 S6100 and Pentax RZ18 side-by-side from the front, back and top in their relative dimensions. Nikon S6100 has external dimensions of 98 x 58 x 27 mm (3.86 x 2.28 x 1.06″) and weighs 175 g (0.39 lb / 6.17 oz) (including batteries). Pentax RZ18 has external dimensions of 97 x 61 x 33 mm (3.82 x 2.4 x 1.3″) and weighs 178 g (0.39 lb / 6.28 oz) (including batteries).
Below you can see the front view size comparison of Nikon S6100 and Pentax RZ18. Nikon S6100 is 3mm shorter and 6mm thinner than Pentax RZ18 but it is also 1mm wider.
![Nikon S6100 vs Pentax RZ18 Camera Size Comparison - Front View]()
Comparison image of Nikon S6100 and Pentax RZ18 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Nikon S6100 and Pentax RZ18.
![Nikon S6100 vs Pentax RZ18 Camera Size Comparison - Back View]()
Comparison image of Nikon S6100 and Pentax RZ18 Size and Weight - Back View
Now lets look at the top view comparison of Nikon S6100 and Pentax RZ18.
![Nikon S6100 vs Pentax RZ18 Camera Size Comparison - Top View]()
Top View Comparison image of Nikon S6100 and Pentax RZ18 Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Nikon S6100 is 3g lighter than the Pentax RZ18 but we don't think this will make a significant difference.
Weather Sealing
Thanks to the weather sealed body of RZ18, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to S6100.
LCD Screen Size and Features
Nikon S6100 and Pentax RZ18's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.