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 Casio EX-ZR10 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). Casio EX-ZR10 has external dimensions of 102 x 69 x 27 mm (4.02 x 2.72 x 1.06″) and weighs 176 g (0.39 lb / 6.21 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS7 and Casio EX-ZR10. Casio EX-ZR10 is 1mm narrower and 6mm thinner than Panasonic ZS7 but it is also 9mm taller.
Here is the back view size comparison of Panasonic ZS7 and Casio EX-ZR10.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Casio EX-ZR10 is significantly lighter (42g ) than the Panasonic ZS7 which may become a big advantage especially on long walking trips.
Unfortunately neither Panasonic Lumix DMC-ZS7 (Lumix DMC-TZ10) nor Casio Exilim EX-ZR10 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 Casio EX-ZR10'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.