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 Fujifilm X20 and Fujifilm T550 side-by-side from the front, back and top in their relative dimensions. Fujifilm X20 has external dimensions of 117 x 70 x 57 mm (4.61 x 2.76 x 2.24″) and weighs 353 g (0.78 lb / 12.45 oz) (including batteries). Fujifilm T550 has external dimensions of and weighs 136 g (including batteries).
Below you can see the front-view size comparison of the Fujifilm X20 and the Fujifilm T550. Fujifilm T550 is clearly the smaller of the two cameras. Its body is 18mm narrower, 13mm shorter and 31mm thinner than Fujifilm X20.
Here is the back view size comparison of the Fujifilm X20 and Fujifilm T550.
Now lets look at the top view comparison of Fujifilm X20 and Fujifilm T550.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Fujifilm T550 is significantly lighter (217g ) than the Fujifilm X20 which may become a big advantage especially on long walking trips.
Weather Sealing
Unfortunately neither the Fujifilm X20 nor Fujifilm FinePix T550 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
Fujifilm T550's 3.00" LCD screen is slightly larger than Fujifilm X20's 2.8 screen.
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.