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 Olympus XZ-10 and Pentax RZ18 side-by-side from the front, back and top in their relative dimensions. Olympus XZ-10 has external dimensions of 102 x 61 x 34 mm (4.03 x 2.41 x 1.35″) and weighs 221 g (0.49 lb / 7.80 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 the Olympus XZ-10 and the Pentax RZ18. Olympus XZ-10 has the same height with Pentax RZ18. On the other hand, with a width of 102mm, it is 5 wider and also with a thickness of 34mm, it is 1mm thicker than Pentax RZ18.
Here is the back view size comparison of the Olympus XZ-10 and Pentax RZ18.
Now lets look at the top view comparison of Olympus XZ-10 and Pentax RZ18.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Pentax RZ18 is significantly lighter (43g ) than the Olympus XZ-10 which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the RZ18, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the XZ-10.
LCD Screen Size and Features
Olympus XZ-10 and Pentax RZ18's LCD screens have the same diagonal size of 3.00 inches.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.