Size and weight is a big decision factor when you are trying to find the ideal camera for your needs.
In this section, We are going to illustrate Olympus SZ-30MR and Samsung WB850F side-by-side from the front, back and top in their relative dimensions. Olympus SZ-30MR 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). Samsung WB850F has external dimensions of and weighs 250 g (0.55 lb / 8.82 oz) (including batteries).
Below you can see the front view size comparison of Olympus SZ-30MR and Samsung WB850F. Samsung WB850F is 7mm shorter and 15mm thinner than Olympus SZ-30MR but it is also 3mm wider.
Now lets look at the top view comparison of Olympus SZ-30MR and Samsung WB850F.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Olympus SZ-30MR is 24g lighter than the Samsung WB850F but we don't think this will make a significant difference.
Unfortunately neither Olympus SZ-30MR nor Samsung WB850F provides any type of weather sealing in their body, 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
Olympus SZ-30MR and Samsung WB850F's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.