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 150 IS and Ricoh GXR A16 24-85mm 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). Ricoh GXR A16 24-85mm has external dimensions of 114 x 75 x 93 mm (4.49 x 2.95 x 3.66″) and weighs 550 g (including batteries).
Below you can see the front-view size comparison of the Canon ELPH 150 IS and the Ricoh GXR A16 24-85mm. Canon ELPH 150 IS is clearly the smaller of the two cameras. Its body is 19mm narrower, 18mm shorter and 69mm thinner than Ricoh GXR A16 24-85mm.
Here is the back view size comparison of the Canon ELPH 150 IS and Ricoh GXR A16 24-85mm.
Now lets look at the top view comparison of Canon ELPH 150 IS and Ricoh GXR A16 24-85mm.
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 (408g ) than the Ricoh GXR A16 24-85mm which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Canon PowerShot ELPH 150 IS (IXUS 155) nor Ricoh GXR A16 24-85mm F3.5-5.5 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 Top Mirrorless Cameras with Weather Sealing
LCD Screen Size and Features
Ricoh GXR A16 24-85mm'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.