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 SZ-31MR iHS and Panasonic FZ70 side-by-side from the front, back and top in their relative dimensions. Olympus SZ-31MR iHS has external dimensions of 106 x 69 x 40 mm (4.17 x 2.72 x 1.57″) and weighs 226 g (0.50 lb / 7.97 oz) (including batteries). Panasonic FZ70 has external dimensions of 130 x 97 x 118 mm (5.12 x 3.82 x 4.65″) and weighs 606 g (1.34 lb / 21.38 oz) (including batteries).
Below you can see the front-view size comparison of the Olympus SZ-31MR iHS and the Panasonic FZ70. Olympus SZ-31MR iHS is clearly the smaller of the two cameras. Its body is 24mm narrower, 28mm shorter and 78mm thinner than Panasonic FZ70.
Now lets look at the top view comparison of Olympus SZ-31MR iHS and Panasonic FZ70.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Olympus SZ-31MR iHS is significantly lighter (380g ) than the Panasonic FZ70 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Olympus SZ-31MR iHS nor Panasonic Lumix DMC-FZ70 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 Top Bridge Cameras with Weather Sealing
LCD Screen Size and Features
Olympus SZ-31MR iHS and Panasonic FZ70'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.