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 SX720 HS and Sony RX100 VA side-by-side from the front, back and top in their relative dimensions. Canon SX720 HS has external dimensions of 110 x 64 x 36 mm (4.33 x 2.52 x 1.42″) and weighs 270 g (0.60 lb / 9.52 oz) (including batteries). Sony RX100 VA has external dimensions of 102 x 58 x 41 mm (4.02 x 2.28 x 1.61″) and weighs 299 g (0.66 lb / 10.55 oz) (including batteries).
Below you can see the front view size comparison of Canon SX720 HS and Sony RX100 VA. Sony RX100 VA is 8mm narrower and 6mm shorter than Canon SX720 HS but it is also 5mm thicker.
Here is the back view size comparison of Canon SX720 HS and Sony RX100 VA.
Now lets look at the top view comparison of Canon SX720 HS and Sony RX100 VA.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Canon SX720 HS is 29g lighter than the Sony RX100 VA but we don't think this will make a significant difference.
Unfortunately neither Canon PowerShot SX720 HS nor Sony Cyber-shot DSC-RX100 V(A) 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 SX720 HS and Sony RX100 VA's LCD screens has the same diagonal size of 3".
On the other hand, Sony RX100 VA features a Tilting screen
where you can change the angle of the screen to make it easier to shoot from waist or over the head levels whereas the Canon SX720 HS has a fixed type screen which provides less flexibility in shooting positions compared to RX100 VA.