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 Canon SX540 HS and Nikon S810c 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). Nikon S810c has external dimensions of 113 x 64 x 28 mm (4.45 x 2.52 x 1.1″) and weighs 216 g (0.48 lb / 7.62 oz) (including batteries).
Below you can see the front view size comparison of Canon SX540 HS and Nikon S810c. Nikon S810c is clearly the smaller of the two cameras. Its body is 7mm narrower, 18mm shorter and 64mm thinner than Canon SX540 HS.
Here is the back view size comparison of Canon SX540 HS and Nikon S810c.
Now lets look at the top view comparison of Canon SX540 HS and Nikon S810c.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Nikon S810c is significantly lighter (226g ) than the Canon SX540 HS which may become a big advantage especially on long walking trips.
Unfortunately neither Canon PowerShot SX540 HS nor Nikon Coolpix S810c 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 Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Nikon S810c's 3.70" LCD screen is slightly larger than Canon SX540 HS's 3 screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.