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 Olympus SP-810 UZ 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). Olympus SP-810 UZ has external dimensions of 106 x 76 x 74 mm (4.17 x 2.99 x 2.91″) and weighs 413 g (0.91 lb / 14.57 oz) (including batteries).
Below you can see the front view size comparison of Olympus SZ-30MR and Olympus SP-810 UZ. Olympus SZ-30MR has the same height with Olympus SP-810 UZ. On the other hand, with a width of 69mm, it is 7 narrower and also with a thickness of 40mm, it is 34mm thinner than Olympus SP-810 UZ.
Now lets look at the top view comparison of Olympus SZ-30MR and Olympus SP-810 UZ.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Olympus SZ-30MR is significantly lighter (187g ) than the Olympus SP-810 UZ which may become a big advantage especially on long walking trips.
Unfortunately neither Olympus SZ-30MR nor Olympus SP-810 UZ 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 Top Bridge Cameras with Weather Sealing
LCD Screen Size and Features
Olympus SZ-30MR and Olympus SP-810 UZ'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.