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 ZS3 and Olympus XZ-10 side-by-side from the front, back and top in their relative dimensions. Panasonic ZS3 has external dimensions of 103 x 60 x 33 mm (4.06 x 2.36 x 1.3″) and weighs 229 g (0.50 lb / 8.08 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 ZS3 and Olympus XZ-10. Panasonic ZS3 is 1mm shorter and 1mm thinner than Olympus XZ-10 but it is also 1mm wider.
Here is the back view size comparison of Panasonic ZS3 and Olympus XZ-10.
Now lets look at the top view comparison of Panasonic ZS3 and Olympus XZ-10.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Olympus XZ-10 is 8g lighter than the Panasonic ZS3 but we don't think this will make a significant difference.
Unfortunately neither Panasonic Lumix DMC-ZS3 (Lumix DMC-TZ7) 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
Panasonic ZS3 and Olympus XZ-10'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.