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 FH20 and Olympus XZ-10 side-by-side from the front, back and top in their relative dimensions. Panasonic FH20 has external dimensions of 100 x 56 x 28 mm (3.94 x 2.2 x 1.1″) and weighs 178 g (0.39 lb / 6.28 oz) (including batteries). Olympus XZ-10 has external dimensions of 102 x 61 x 34 mm (4.03 x 2.41 x 1.35″) and weighs 221 g (0.49 lb / 7.80 oz) (including batteries).
Below you can see the front view size comparison of Panasonic FH20 and Olympus XZ-10. Panasonic FH20 is clearly the smaller of the two cameras. Its body is 2mm narrower, 5mm shorter and 6mm thinner than Olympus XZ-10.
Here is the back view size comparison of Panasonic FH20 and Olympus XZ-10.
Now lets look at the top view comparison of Panasonic FH20 and Olympus XZ-10.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Panasonic FH20 is significantly lighter (43g ) than the Olympus XZ-10 which may become a big advantage especially on long walking trips.
Unfortunately neither Panasonic Lumix DMC-FH20 (Lumix DMC-FS30) nor Olympus Stylus XZ-10 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
Olympus XZ-10's 3" LCD screen is slightly larger than Panasonic FH20's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.