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 SX530 HS and Canon SX400 IS side-by-side from the front, back and top in their relative dimensions. Canon SX530 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). Canon SX400 IS has external dimensions of 104 x 69 x 80 mm (4.09 x 2.72 x 3.15″) and weighs 313 g (0.69 lb / 11.04 oz) (including batteries).
Below you can see the front-view size comparison of the Canon SX530 HS and the Canon SX400 IS. Canon SX400 IS is clearly the smaller of the two cameras. Its body is 16mm narrower, 13mm shorter and 12mm thinner than Canon SX530 HS.
Here is the back view size comparison of the Canon SX530 HS and Canon SX400 IS.
Now lets look at the top view comparison of Canon SX530 HS and Canon SX400 IS.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Canon SX400 IS is significantly lighter (129g ) than the Canon SX530 HS which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Canon PowerShot SX530 HS nor Canon PowerShot SX400 IS 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
Canon SX530 HS and Canon SX400 IS'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.