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 SX170 IS and Panasonic TS3 side-by-side from the front, back and top in their relative dimensions. Canon SX170 IS has external dimensions of 108 x 71 x 44 mm (4.25 x 2.8 x 1.73″) and weighs 251 g (0.55 lb / 8.85 oz) (including batteries). Panasonic TS3 has external dimensions of 103 x 64 x 27 mm (4.06 x 2.52 x 1.06″) and weighs 197 g (0.43 lb / 6.95 oz) (including batteries).
Below you can see the front-view size comparison of the Canon SX170 IS and the Panasonic TS3. Panasonic TS3 is clearly the smaller of the two cameras. Its body is 5mm narrower, 7mm shorter and 17mm thinner than Canon SX170 IS.
Now lets look at the top view comparison of Canon SX170 IS and Panasonic TS3.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Panasonic TS3 is significantly lighter (54g ) than the Canon SX170 IS which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the TS3, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the SX170 IS.
LCD Screen Size and Features
Canon SX170 IS's 3.00" LCD screen is slightly larger than Panasonic TS3's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.