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 Panasonic FH22 and Canon G15 side-by-side from the front, back and top in their relative dimensions. Panasonic FH22 has external dimensions of 100 x 57 x 27 mm (3.94 x 2.22 x 1.06″) and weighs 170 g (0.37 lb / 6.00 oz) (including batteries). Canon G15 has external dimensions of 107 x 76 x 40 mm (4.21 x 2.99 x 1.57″) and weighs 352 g (0.78 lb / 12.42 oz) (including batteries).
Below you can see the front-view size comparison of the Panasonic FH22 and the Canon G15. Panasonic FH22 is clearly the smaller of the two cameras. Its body is 7mm narrower, 19mm shorter and 13mm thinner than Canon G15.
Now lets look at the top view comparison of Panasonic FH22 and Canon G15.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Panasonic FH22 is significantly lighter (182g ) than the Canon G15 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Panasonic Lumix DMC-FH22 (Lumix DMC-FS33) nor Canon PowerShot G15 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 Compact Cameras with Weather Sealing
LCD Screen Size and Features
Panasonic FH22 and Canon G15'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.