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 HX20V and Panasonic ZS35 side-by-side from the front, back and top in their relative dimensions. 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). Panasonic ZS35 has external dimensions of and weighs 305 g (including batteries).
Below you can see the front-view size comparison of the Sony HX20V and the Panasonic ZS35. Sony HX20V has the same height and width with Panasonic ZS35. On the other hand, with a thickness of 35mm, it is 3mm thicker.
Now lets look at the top view comparison of Sony HX20V and Panasonic ZS35.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Sony HX20V is significantly lighter (51g ) than the Panasonic ZS35 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Sony Cyber-shot DSC-HX20V nor Panasonic Lumix DMC-ZS35 (Lumix DMC-TZ55) 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 HX20V and Panasonic ZS35's LCD screens have the same diagonal size of 3.00 inches.
On the other hand, Panasonic ZS35 features a
Tilting screen where you can change the angle of the screen to make it easier to shoot from waist or over-the-head levels whereas the Sony HX20V has a fixed type screen which provides less flexibility in shooting positions compared to ZS35.