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 FujiFilm S2500HD and Canon ELPH 310 HS side-by-side from the front, back and top in their relative dimensions. FujiFilm S2500HD has external dimensions of 110 x 73 x 81 mm (4.33 x 2.89 x 3.19″) and weighs 337 g (0.74 lb / 11.89 oz) (including batteries). Canon ELPH 310 HS has external dimensions of 96 x 57 x 22 mm (3.78 x 2.24 x 0.87″) and weighs 140 g (0.31 lb / 4.94 oz) (including batteries).
Below you can see the front view size comparison of FujiFilm S2500HD and Canon ELPH 310 HS. Canon ELPH 310 HS is clearly the smaller of the two cameras. Its body is 14mm narrower, 16mm shorter and 59mm thinner than FujiFilm S2500HD.
Here is the back view size comparison of FujiFilm S2500HD and Canon ELPH 310 HS.
Now lets look at the top view comparison of FujiFilm S2500HD and Canon ELPH 310 HS.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Canon ELPH 310 HS is significantly lighter (197g ) than the FujiFilm S2500HD which may become a big advantage especially on long walking trips.
Unfortunately neither FujiFilm FinePix S2500HD (FinePix S2600HD) nor Canon ELPH 310 HS (IXUS 230 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 Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
FujiFilm S2500HD and Canon ELPH 310 HS's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.