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 ELPH 150 IS and Sony HX30V side-by-side from the front, back and top in their relative dimensions. Canon ELPH 150 IS has external dimensions of 95 x 57 x 24 mm (3.74 x 2.24 x 0.94″) and weighs 142 g (0.31 lb / 5.01 oz) (including batteries). Sony HX30V has external dimensions of 107 x 62 x 35 mm (4.21 x 2.44 x 1.38″) and weighs 254 g (0.56 lb / 8.96 oz) (including batteries).
Below you can see the front view size comparison of Canon ELPH 150 IS and Sony HX30V. Canon ELPH 150 IS is clearly the smaller of the two cameras. Its body is 12mm narrower, 5mm shorter and 11mm thinner than Sony HX30V.
Comparison image of Canon ELPH 150 IS and Sony HX30V Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Canon ELPH 150 IS and Sony HX30V.
Comparison image of Canon ELPH 150 IS and Sony HX30V Size and Weight - Back View
Now lets look at the top view comparison of Canon ELPH 150 IS and Sony HX30V.
Top View Comparison image of Canon ELPH 150 IS and Sony HX30V Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Canon ELPH 150 IS is significantly lighter (112g ) than the Sony HX30V which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither Canon PowerShot ELPH 150 IS (IXUS 155) nor Sony Cyber-shot DSC-HX30V 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 Compact Cameras with Weather Sealing
LCD Screen Size and Features
Sony HX30V's 3.00" LCD screen is slightly larger than Canon ELPH 150 IS's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.