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-310 and Olympus TG-4 side-by-side from the front, back and top in their relative dimensions. Olympus TG-310 has external dimensions of 96 x 63 x 23 mm (3.78 x 2.48 x 0.91″) and weighs 155 g (0.34 lb / 5.47 oz) (including batteries). Olympus TG-4 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).
Below you can see the front-view size comparison of the Olympus TG-310 and the Olympus TG-4. Olympus TG-310 is clearly the smaller of the two cameras. Its body is 16mm narrower, 3mm shorter and 8mm thinner than Olympus TG-4.
Now lets look at the top view comparison of Olympus TG-310 and Olympus TG-4.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Olympus TG-310 is significantly lighter (92g ) than the Olympus TG-4 which may become a big advantage especially on long walking trips.
Weather Sealing
LCD Screen Size and Features
Olympus TG-4's 3.00" LCD screen is slightly larger than Olympus TG-310's 2.7 screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.