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 SZ-30MR and Sony TX20 side-by-side from the front, back and top in their relative dimensions. Olympus SZ-30MR has external dimensions of 106 x 69 x 40 mm (4.17 x 2.72 x 1.57″) and weighs 226 g (0.50 lb / 7.97 oz) (including batteries). Sony TX20 has external dimensions of 96 x 56 x 18 mm (3.78 x 2.2 x 0.71″) and weighs 133 g (0.29 lb / 4.69 oz) (including batteries).
Below you can see the front-view size comparison of the Olympus SZ-30MR and the Sony TX20. Sony TX20 is clearly the smaller of the two cameras. Its body is 10mm narrower, 13mm shorter and 22mm thinner than Olympus SZ-30MR.
Now lets look at the top view comparison of Olympus SZ-30MR and Sony TX20.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Sony TX20 is significantly lighter (93g ) than the Olympus SZ-30MR which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the TX20, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the SZ-30MR.
LCD Screen Size and Features
Olympus SZ-30MR and Sony TX20'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.