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 ZS7 and Canon S100 side-by-side from the front, back and top in their relative dimensions. Panasonic ZS7 has external dimensions of 103 x 60 x 33 mm (4.06 x 2.36 x 1.3″) and weighs 218 g (0.48 lb / 7.69 oz) (including batteries). Canon S100 has external dimensions of 99 x 60 x 28 mm (3.9 x 2.36 x 1.1″) and weighs 198 g (0.44 lb / 6.98 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS7 and Canon S100. Panasonic ZS7 has the same height with Canon S100. On the other hand, with a width of 103mm, it is 4 wider and also with a thickness of 33mm, it is 5mm thicker than Canon S100.
Here is the back view size comparison of Panasonic ZS7 and Canon S100.
Now lets look at the top view comparison of Panasonic ZS7 and Canon S100.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Canon S100 is 20g lighter than the Panasonic ZS7 but we don't think this will make a significant difference.
Unfortunately neither Panasonic Lumix DMC-ZS7 (Lumix DMC-TZ10) nor Canon PowerShot S100 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 ZS7 and Canon S100'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.