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 Canon SX620 HS and Olympus SZ-15 side-by-side from the front, back and top in their relative dimensions. Canon SX620 HS has external dimensions of 97 x 57 x 28 mm (3.81 x 2.24 x 1.1″) and weighs 182 g (0.40 lb / 6.42 oz) (including batteries). Olympus SZ-15 has external dimensions of and weighs 250 g (0.55 lb / 8.82 oz) (including batteries).
Below you can see the front-view size comparison of the Canon SX620 HS and the Olympus SZ-15. Canon SX620 HS is clearly the smaller of the two cameras. Its body is 11mm narrower, 13mm shorter and 12mm thinner than Olympus SZ-15.
Here is the back view size comparison of the Canon SX620 HS and Olympus SZ-15.
Now lets look at the top view comparison of Canon SX620 HS and Olympus SZ-15.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Canon SX620 HS is significantly lighter (68g ) than the Olympus SZ-15 which may become a big advantage especially on long walking trips.
Unfortunately neither the Canon PowerShot SX620 HS nor Olympus SZ-15 provides any type of weather sealing in their bodies, so you have to give extra care especially when you are shooting outdoors. If weather sealing is a must-have feature for you, check these sections: Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Canon SX620 HS and Olympus SZ-15'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.