Size and weight is a big decision factor when you are trying to find the ideal camera for your needs.
In this section, We are going to illustrate Sony HX30V and Sony HX20V 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). Sony HX20V 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).
Below you can see the front view size comparison of Sony HX30V and Sony HX20V. In this case, we can see that Sony HX30V and Sony HX20V have the exact same height, width and thickness.
Here is the back view size comparison of Sony HX30V and Sony HX20V.
Now lets look at the top view comparison of Sony HX30V and Sony HX20V.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Sony HX30V and Sony HX20V have exactly the same weight of 254g.
Unfortunately neither Sony Cyber-shot DSC-HX30V nor Sony Cyber-shot DSC-HX20V provides any type of weather sealing in their body, 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 Sony HX20V's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.