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 Sony RX100 VII and Canon G7 X MIII side-by-side from the front, back and top in their relative dimensions. Sony RX100 VII has external dimensions of 102 x 58 x 43 mm (4.02 x 2.28 x 1.69″) and weighs 302 g (0.67 lb / 10.65 oz) (including batteries). 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).
Below you can see the front view size comparison of Sony RX100 VII and Canon G7 X MIII. Sony RX100 VII is 3mm narrower and 3mm shorter than Canon G7 X MIII but it is also 2mm thicker.
Here is the back view size comparison of Sony RX100 VII and Canon G7 X MIII.
Now lets look at the top view comparison of Sony RX100 VII and Canon G7 X MIII.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Sony RX100 VII is 2g lighter than the Canon G7 X MIII but we don't think this will make a significant difference.
Unfortunately neither Sony Cyber-shot DSC-RX100 VII nor Canon PowerShot G7 X Mark III 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
Sony RX100 VII and Canon G7 X MIII's LCD screens has the same diagonal size of 3".
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.