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 RZ10 and Olympus TG-4 side-by-side from the front, back and top in their relative dimensions. Pentax RZ10 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 TG-4 has external dimensions of 112 x 66 x 31 mm (4.41 x 2.6 x 1.22″) and weighs 247 g (0.54 lb / 8.71 oz) (including batteries).
Below you can see the front-view size comparison of the Pentax RZ10 and the Olympus TG-4. Pentax RZ10 is 15mm narrower and 5mm shorter than Olympus TG-4 but it is also 2mm thicker.
Here is the back view size comparison of the Pentax RZ10 and Olympus TG-4.
Now lets look at the top view comparison of Pentax RZ10 and Olympus TG-4.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Pentax RZ10 is significantly lighter (69g ) than the Olympus TG-4 which may become a big advantage especially on long walking trips.
Weather Sealing
LCD Screen Size and Features
Olympus TG-4's 3.00" LCD screen is slightly larger than Pentax RZ10's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.