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 ELPH 310 HS and Canon SX200 IS side-by-side from the front, back and top in their relative dimensions. 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). Canon SX200 IS has external dimensions of 103 x 61 x 38 mm (4.06 x 2.4 x 1.5″) and weighs 247 g (0.54 lb / 8.71 oz) (including batteries).
Below you can see the front-view size comparison of the Canon ELPH 310 HS and the Canon SX200 IS. Canon ELPH 310 HS is clearly the smaller of the two cameras. Its body is 7mm narrower, 4mm shorter and 16mm thinner than Canon SX200 IS.
Comparison image of the Canon ELPH 310 HS and the Canon SX200 IS Size, Weight and External Dimensions - Front View
Here is the back view size comparison of the Canon ELPH 310 HS and Canon SX200 IS.
Comparison image of the Canon ELPH 310 HS and the Canon SX200 IS Size and Weight - Back View
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 (107g ) than the Canon SX200 IS which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Canon ELPH 310 HS (IXUS 230 HS) nor Canon PowerShot SX200 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 Compact Cameras with Weather Sealing
LCD Screen Size and Features
Canon ELPH 310 HS and Canon SX200 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.