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 Olympus TG-3 and Canon SX150 IS side-by-side from the front, back and top in their relative dimensions. Olympus TG-3 has external dimensions of 112 x 66 x 31 mm (4.41 x 2.6 x 1.22″) and weighs 247 g (0.54 lb / 8.71 oz) (including batteries). Canon SX150 IS has external dimensions of 113 x 73 x 46 mm (4.45 x 2.87 x 1.81″) and weighs 306 g (0.67 lb / 10.79 oz) (including batteries).
Below you can see the front-view size comparison of the Olympus TG-3 and the Canon SX150 IS. Olympus TG-3 is clearly the smaller of the two cameras. Its body is 1mm narrower, 7mm shorter and 15mm thinner than Canon SX150 IS.
Now lets look at the top view comparison of Olympus TG-3 and Canon SX150 IS.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Olympus TG-3 is significantly lighter (59g ) than the Canon SX150 IS which may become a big advantage especially on long walking trips.
Weather Sealing
Thanks to the weather-sealed body of the TG-3, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to the SX150 IS.
LCD Screen Size and Features
Olympus TG-3 and Canon SX150 IS's LCD screens have the same diagonal size of 3.00 inches.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.