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 SP-820UZ and Olympus FE-47 side-by-side from the front, back and top in their relative dimensions. Olympus SP-820UZ has external dimensions of and weighs 485 g (1.07 lb / 17.11 oz) (including batteries). Olympus FE-47 has external dimensions of 98 x 61 x 27 mm (3.86 x 2.4 x 1.06″) and weighs 204 g (0.45 lb / 7.20 oz) (including batteries).
Below you can see the front-view size comparison of the Olympus SP-820UZ and the Olympus FE-47. Olympus FE-47 is clearly the smaller of the two cameras. Its body is 19mm narrower, 17mm shorter and 66mm thinner than Olympus SP-820UZ.
Now lets look at the top view comparison of Olympus SP-820UZ and Olympus FE-47.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Olympus FE-47 is significantly lighter (281g ) than the Olympus SP-820UZ which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Olympus Stylus SP-820UZ nor Olympus FE-47 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
Olympus SP-820UZ's 3.00" LCD screen is slightly larger than Olympus FE-47's 2.7" screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.