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 G7 X MIII and Canon G5 X MII side-by-side from the front, back and top in their relative dimensions. Canon G7 X MIII has external dimensions of 105 x 61 x 41 mm (4.13 x 2.4 x 1.61″) and weighs 304 g (0.67 lb / 10.72 oz) (including batteries). Canon G5 X MII has external dimensions of 111 x 61 x 46 mm (4.37 x 2.4 x 1.81″) and weighs 340 g (0.75 lb / 11.99 oz) (including batteries).
Below you can see the front view size comparison of Canon G7 X MIII and Canon G5 X MII. Canon G7 X MIII is 6mm narrower and 5mm thinner than Canon G7 X MIII but they have the same height of 61mm.
Here is the back view size comparison of Canon G7 X MIII and Canon G5 X MII.
Now lets look at the top view comparison of Canon G7 X MIII and Canon G5 X MII.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Canon G7 X MIII is 36g lighter than the Canon G5 X MII but we don't think this will make a significant difference.
Unfortunately neither Canon PowerShot G7 X Mark III nor Canon PowerShot G5 X Mark II 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 G7 X MIII and Canon G5 X MII's LCD screens has the same diagonal size of 3.00".
Both cameras feature Tilting screens
where you can change the angle of the screen to make it easier to shoot from waist or over the head levels.