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 Canon SX540 HS and Sony H400 side-by-side from the front, back and top in their relative dimensions. Canon SX540 HS has external dimensions of 120 x 82 x 92 mm (4.72 x 3.23 x 3.62″) and weighs 442 g (0.97 lb / 15.59 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 the Canon SX540 HS and the Sony H400. Canon SX540 HS is clearly the smaller of the two cameras. Its body is 10mm narrower, 13mm shorter and 30mm thinner than Sony H400.
Here is the back view size comparison of the Canon SX540 HS and Sony H400.
Now lets look at the top view comparison of Canon SX540 HS and Sony H400.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Canon SX540 HS is significantly lighter (186g ) than the Sony H400 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Canon PowerShot SX540 HS nor Sony Cyber-shot DSC-H400 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
LCD Screen Size and Features
Canon SX540 HS and Sony H400'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.