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 Panasonic FH3 and Sony W610 side-by-side from the front, back and top in their relative dimensions. Panasonic FH3 has external dimensions of 98 x 55 x 24 mm (3.86 x 2.17 x 0.94″) and weighs 165 g (0.36 lb / 5.82 oz) (including batteries). Sony W610 has external dimensions of 93 x 52 x 19 mm (3.66 x 2.05 x 0.75″) and weighs 113 g (0.25 lb / 3.99 oz) (including batteries).
Below you can see the front-view size comparison of the Panasonic FH3 and the Sony W610. Sony W610 is clearly the smaller of the two cameras. Its body is 5mm narrower, 3mm shorter and 5mm thinner than Panasonic FH3.
Comparison image of the Panasonic FH3 and the Sony W610 Size, Weight and External Dimensions - Front View
Here is the back view size comparison of the Panasonic FH3 and Sony W610.
Comparison image of the Panasonic FH3 and the Sony W610 Size and Weight - Back View
Now lets look at the top view comparison of Panasonic FH3 and Sony W610.
Top View Comparison image of the Panasonic FH3 and the Sony W610 Size
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Sony W610 is significantly lighter (52g ) than the Panasonic FH3 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Panasonic Lumix DMC-FH3 (Lumix DMC-FS11) nor Sony Cyber-shot DSC-W610 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
Panasonic FH3 and Sony W610's LCD screens have the same diagonal size of 2.70 inches.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.