Size and weight are big decision factors when you are trying to find the ideal camera for your needs.
In this section, we are going to illustrate the Canon A810 and Casio EX-ZR700 side-by-side from the front, back and top in their relative dimensions. Canon A810 has external dimensions of 95 x 62 x 30 mm (3.74 x 2.44 x 1.18″) and weighs 171 g (0.38 lb / 6.03 oz) (including batteries). Casio EX-ZR700 has external dimensions of 108 x 60 x 31 mm (4.25 x 2.36 x 1.22″) and weighs 222 g (0.49 lb / 7.83 oz) (including batteries).
Below you can see the front-view size comparison of the Canon A810 and the Casio EX-ZR700. Canon A810 is 13mm narrower and 1mm thinner than Casio EX-ZR700 but it is also 2mm taller.
Here is the back view size comparison of the Canon A810 and Casio EX-ZR700.
Now lets look at the top view comparison of Canon A810 and Casio EX-ZR700.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Canon A810 is significantly lighter (51g ) than the Casio EX-ZR700 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Canon PowerShot A810 nor Casio Exilim EX-ZR700 provides any type of weather sealing in their bodies, 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
Casio EX-ZR700's 3.00" LCD screen is slightly larger than Canon A810's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.