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 SX620 HS and Canon ELPH 190 IS side-by-side from the front, back and top in their relative dimensions. 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). 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).
Below you can see the front view size comparison of Canon SX620 HS and Canon ELPH 190 IS. Canon SX620 HS has the same height with Canon ELPH 190 IS. On the other hand, with a width of 97mm, it is 2 wider and also with a thickness of 28mm, it is 4mm thicker than Canon ELPH 190 IS.
Here is the back view size comparison of Canon SX620 HS and Canon ELPH 190 IS.
Now lets look at the top view comparison of Canon SX620 HS and Canon ELPH 190 IS.
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.
Unfortunately neither Canon PowerShot SX620 HS nor Canon PowerShot ELPH 190 IS 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
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.