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 ELPH 300 HS 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 ELPH 300 HS has external dimensions of 92 x 56 x 20 mm (3.62 x 2.2 x 0.79″) and weighs 141 g (0.31 lb / 4.97 oz) (including batteries).
Below you can see the front-view size comparison of the Olympus TG-3 and the Canon ELPH 300 HS. Canon ELPH 300 HS is clearly the smaller of the two cameras. Its body is 20mm narrower, 10mm shorter and 11mm thinner than Olympus TG-3.
Here is the back view size comparison of the Olympus TG-3 and Canon ELPH 300 HS.
Now lets look at the top view comparison of Olympus TG-3 and Canon ELPH 300 HS.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Canon ELPH 300 HS is significantly lighter (106g ) than the Olympus TG-3 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 ELPH 300 HS.
LCD Screen Size and Features
Olympus TG-3's 3.00" LCD screen is slightly larger than Canon ELPH 300 HS's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.