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 Nikon P340 and Olympus SH-3 side-by-side from the front, back and top in their relative dimensions. Nikon P340 has external dimensions of 103 x 58 x 32 mm (4.06 x 2.28 x 1.26″) and weighs 194 g (0.43 lb / 6.84 oz) (including batteries). Olympus SH-3 has external dimensions of 109 x 63 x 42 mm (4.29 x 2.48 x 1.65″) and weighs 271 g (0.60 lb / 9.56 oz) (including batteries).
Below you can see the front-view size comparison of the Nikon P340 and the Olympus SH-3. Nikon P340 is clearly the smaller of the two cameras. Its body is 6mm narrower, 5mm shorter and 10mm thinner than Olympus SH-3.
Here is the back view size comparison of the Nikon P340 and Olympus SH-3.
Now lets look at the top view comparison of Nikon P340 and Olympus SH-3.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Nikon P340 is significantly lighter (77g ) than the Olympus SH-3 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Nikon Coolpix P340 nor Olympus Stylus SH-3 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
Nikon P340 and Olympus SH-3'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.