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 G9 X and Panasonic SZ1 side-by-side from the front, back and top in their relative dimensions. Canon G9 X has external dimensions of 98 x 58 x 31 mm (3.86 x 2.28 x 1.21″) and weighs 209 g (0.46 lb / 7.37 oz) (including batteries). Panasonic SZ1 has external dimensions of 99 x 59 x 21 mm (3.9 x 2.32 x 0.83″) and weighs 131 g (0.29 lb / 4.62 oz) (including batteries).
Below you can see the front view size comparison of Canon G9 X and Panasonic SZ1. Canon G9 X is 1mm narrower and 1mm shorter than Panasonic SZ1 but it is also 10mm thicker.
Here is the back view size comparison of Canon G9 X and Panasonic SZ1.
Now lets look at the top view comparison of Canon G9 X and Panasonic SZ1.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Panasonic SZ1 is significantly lighter (78g ) than the Canon G9 X which may become a big advantage especially on long walking trips.
Unfortunately neither Canon PowerShot G9 X nor Panasonic Lumix DMC-SZ1 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 G9 X and Panasonic SZ1's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.