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 Panasonic FZ80 and Canon SX540 HS side-by-side from the front, back and top in their relative dimensions. Panasonic FZ80 has external dimensions of 130 x 94 x 119 mm (5.12 x 3.7 x 4.69″) and weighs 616 g (1.36 lb / 21.73 oz) (including batteries). 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).
Below you can see the front view size comparison of Panasonic FZ80 and Canon SX540 HS. Canon SX540 HS is clearly the smaller of the two cameras. Its body is 10mm narrower, 12mm shorter and 27mm thinner than Panasonic FZ80.
Here is the back view size comparison of Panasonic FZ80 and Canon SX540 HS.
Now lets look at the top view comparison of Panasonic FZ80 and Canon SX540 HS.
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 (174g ) than the Panasonic FZ80 which may become a big advantage especially on long walking trips.
Unfortunately neither Panasonic Lumix DMC-FZ80 (Lumix DMC-FZ82) nor Canon PowerShot SX540 HS 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
Panasonic FZ80 and Canon SX540 HS's LCD screens has the same diagonal size of 3.00".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.