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 Panasonic ZS200 and Sony RX100 III side-by-side from the front, back and top in their relative dimensions. Panasonic ZS200 has external dimensions of 111 x 66 x 45 mm (4.37 x 2.6 x 1.77″) and weighs 340 g (0.75 lb / 11.99 oz) (including batteries). Sony RX100 III has external dimensions of 102 x 58 x 41 mm (4.02 x 2.28 x 1.61″) and weighs 290 g (0.64 lb / 10.23 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS200 and Sony RX100 III. Sony RX100 III is clearly the smaller of the two cameras. Its body is 9mm narrower, 8mm shorter and 4mm thinner than Panasonic ZS200.
Comparison image of Panasonic ZS200 and Sony RX100 III Size, Weight and External Dimensions - Front View
Here is the back view size comparison of Panasonic ZS200 and Sony RX100 III.
Comparison image of Panasonic ZS200 and Sony RX100 III Size and Weight - Back View
Now lets look at the top view comparison of Panasonic ZS200 and Sony RX100 III.
Top View Comparison image of Panasonic ZS200 and Sony RX100 III Size
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Sony RX100 III is significantly lighter (50g ) than the Panasonic ZS200 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither Panasonic Lumix DC-ZS200 (Lumix DC-TZ200) nor Sony Cyber-shot DSC-RX100 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
Panasonic ZS200 and Sony RX100 III's LCD screens has the same diagonal size of 3".
On the other hand, Sony RX100 III 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 Panasonic ZS200 has a fixed type screen which provides less flexibility in shooting positions compared to RX100 III.