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 G9 X II and Sigma DP2 Quattro side-by-side from the front, back and top in their relative dimensions. Canon G9 X II has external dimensions of 98 x 58 x 31 mm (3.86 x 2.28 x 1.22″) and weighs 206 g (0.45 lb / 7.27 oz) (including batteries). Sigma DP2 Quattro has external dimensions of 161 x 67 x 82 mm (6.34 x 2.64 x 3.23″) and weighs 395 g (0.87 lb / 13.93 oz) (including batteries).
Below you can see the front-view size comparison of the Canon G9 X II and the Sigma DP2 Quattro. Canon G9 X II is clearly the smaller of the two cameras. Its body is 63mm narrower, 9mm shorter and 51mm thinner than Sigma DP2 Quattro.
Here is the back view size comparison of the Canon G9 X II and Sigma DP2 Quattro.
Now lets look at the top view comparison of Canon G9 X II and Sigma DP2 Quattro.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Canon G9 X II is significantly lighter (189g ) than the Sigma DP2 Quattro which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Canon PowerShot G9 X Mark II nor Sigma DP2 Quattro 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 G9 X II and Sigma DP2 Quattro'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.