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 HX350 and Sony H400 side-by-side from the front, back and top in their relative dimensions. Sony HX350 has external dimensions of 130 x 93 x 103 mm (5.12 x 3.66 x 4.06″) and weighs 652 g (1.44 lb / 23.00 oz) (including batteries). Sony H400 has external dimensions of 130 x 95 x 122 mm (5.1 x 3.74 x 4.81″) and weighs 628 g (1.38 lb / 22.15 oz) (including batteries).
Below you can see the front view size comparison of Sony HX350 and Sony H400. Sony HX350 has the same height with Sony H400. On the other hand, with a width of 93mm, it is 2 narrower and also with a thickness of 103mm, it is 19mm thinner than Sony H400.
Here is the back view size comparison of Sony HX350 and Sony H400.
Now lets look at the top view comparison of Sony HX350 and Sony H400.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Sony H400 is 24g lighter than the Sony HX350 but we don't think this will make a significant difference.
Unfortunately neither Sony Cyber-shot DSC-HX350 nor Sony Cyber-shot DSC-H400 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 Bridge Cameras with Weather Sealing
LCD Screen Size and Features
Sony HX350 and Sony H400's LCD screens has the same diagonal size of 3.00".
On the other hand, Sony HX350 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 H400 has a fixed type screen which provides less flexibility in shooting positions compared to HX350.