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 Samsung Galaxy Camera 3G 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). Samsung Galaxy Camera 3G has external dimensions of 129 x 71 x 19 mm (5.08 x 2.8 x 0.75″) and weighs 305 g (0.67 lb / 10.76 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS7 and Samsung Galaxy Camera 3G. Panasonic ZS7 is 26mm narrower and 11mm shorter than Samsung Galaxy Camera 3G but it is also 14mm thicker.
Now lets look at the top view comparison of Panasonic ZS7 and Samsung Galaxy Camera 3G.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Panasonic ZS7 is significantly lighter (87g ) than the Samsung Galaxy Camera 3G which may become a big advantage especially on long walking trips.
Unfortunately neither Panasonic Lumix DMC-ZS7 (Lumix DMC-TZ10) nor Samsung Galaxy Camera 3G 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
Samsung Galaxy Camera 3G's 4.8" LCD screen is slightly larger than Panasonic ZS7's 3" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.