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 Sony HX30V and Olympus SP-620 UZ side-by-side from the front, back and top in their relative dimensions. Sony HX30V has external dimensions of 107 x 62 x 35 mm (4.21 x 2.44 x 1.38″) and weighs 254 g (0.56 lb / 8.96 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 Sony HX30V and the Olympus SP-620 UZ. Sony HX30V is clearly the smaller of the two cameras. Its body is 3mm narrower, 12mm shorter and 39mm thinner than Olympus SP-620 UZ.
Here is the back view size comparison of the Sony HX30V and Olympus SP-620 UZ.
Now lets look at the top view comparison of Sony HX30V and Olympus SP-620 UZ.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Sony HX30V is significantly lighter (181g ) than the Olympus SP-620 UZ which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Sony Cyber-shot DSC-HX30V nor Olympus SP-620 UZ 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
Sony HX30V 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.