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 190 IS and Canon SX620 HS side-by-side from the front, back and top in their relative dimensions. Canon ELPH 190 IS has external dimensions of 95 x 57 x 24 mm (3.74 x 2.24 x 0.94″) and weighs 138 g (0.30 lb / 4.87 oz) (including batteries). Canon SX620 HS has external dimensions of 97 x 57 x 28 mm (3.81 x 2.24 x 1.1″) and weighs 182 g (0.40 lb / 6.42 oz) (including batteries).
Below you can see the front-view size comparison of the Canon ELPH 190 IS and the Canon SX620 HS. Canon ELPH 190 IS is 2mm narrower and 4mm thinner than Canon ELPH 190 IS but they have the same height of 57mm.
Here is the back view size comparison of the Canon ELPH 190 IS and Canon SX620 HS.
Now lets look at the top view comparison of Canon ELPH 190 IS and Canon SX620 HS.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Canon ELPH 190 IS is significantly lighter (44g ) than the Canon SX620 HS which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Canon PowerShot ELPH 190 IS nor Canon PowerShot SX620 HS 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 SX620 HS's 3.00" LCD screen is slightly larger than Canon ELPH 190 IS's 2.7 screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.