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 RZ18 and Olympus SP-620 UZ side-by-side from the front, back and top in their relative dimensions. 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). Olympus SP-620 UZ has external dimensions of 110 x 74 x 74 mm (4.33 x 2.91 x 2.91″) and weighs 435 g (including batteries).
Below you can see the front-view size comparison of the Pentax RZ18 and the Olympus SP-620 UZ. Pentax RZ18 is clearly the smaller of the two cameras. Its body is 13mm narrower, 13mm shorter and 41mm thinner than Olympus SP-620 UZ.
Comparison image of the Pentax RZ18 and the Olympus SP-620 UZ Size, Weight and External Dimensions - Front View
Here is the back view size comparison of the Pentax RZ18 and Olympus SP-620 UZ.
Comparison image of the Pentax RZ18 and the Olympus SP-620 UZ Size and Weight - Back View
Now lets look at the top view comparison of Pentax RZ18 and Olympus SP-620 UZ.
Top View Comparison image of the Pentax RZ18 and the Olympus SP-620 UZ Size
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 (257g ) than the Olympus SP-620 UZ which may become a big advantage especially on long walking trips.
Weather Sealing
With its weather-sealed body, we believe that the RZ18 has a big advantage over the SP-620 UZ which doesn't provide any kind of environmental sealing.
LCD Screen Size and Features
Pentax RZ18 and Olympus SP-620 UZ'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.