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 H300 and Sony HX20V side-by-side from the front, back and top in their relative dimensions. Sony H300 has external dimensions of 130 x 95 x 122 mm (5.1 x 3.74 x 4.81″) and weighs 590 g (1.30 lb / 20.81 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 the Sony H300 and the Sony HX20V. Sony HX20V is clearly the smaller of the two cameras. Its body is 23mm narrower, 33mm shorter and 87mm thinner than Sony H300.
Here is the back view size comparison of the Sony H300 and Sony HX20V.
Now lets look at the top view comparison of Sony H300 and Sony HX20V.
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 (336g ) than the Sony H300 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Sony Cyber-shot DSC-H300 nor Sony Cyber-shot DSC-HX20V 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 Bridge Cameras with Weather Sealing Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Sony H300 and Sony HX20V'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.