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 X-T10 and Fujifilm X20 side-by-side from the front, back and top in their relative dimensions. Fujifilm X-T10 has external dimensions of 118 x 83 x 41 mm (4.65 x 3.27 x 1.61″) and weighs 381 g (0.84 lb / 13.44 oz) (including batteries). 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).
Below you can see the front-view size comparison of the Fujifilm X-T10 and the Fujifilm X20. Fujifilm X20 is 1mm narrower and 13mm shorter than Fujifilm X-T10 but it is also 16mm thicker. As you can tell, actually this is not a fair size comparison since Fujifilm X20 has a built-in lens but Fujifilm X-T10 doesn't. Once you put a lens on X-T10, its thickness will increase significantly.
Here is the back view size comparison of the Fujifilm X-T10 and Fujifilm X20.
Now lets look at the top view comparison of Fujifilm X-T10 and Fujifilm X20.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Fujifilm X20 is 28g lighter than the Fujifilm X-T10 but we don't think this will make a significant difference.
Again, this comparison may not be very useful in real life as we are comparing the weight of a camera with a built-in lens to the body-only weight of an interchangeable lens camera. Once you put a lens on X-T10, the total kit will weigh much higher.
Weather Sealing
Unfortunately neither the Fujifilm X-T10 nor Fujifilm X20 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 Mirrorless Cameras with Weather Sealing Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Fujifilm X-T10's 3.00" LCD screen is slightly larger than Fujifilm X20's 2.8 screen.
In addition to the size advantage, Fujifilm X-T10 LCD screen also has a
Tilting feature where you can change the angle of the screen to make it easier to shoot from waist or over-the-head levels. On the other hand, Fujifilm X20 has a fixed type screen which provides less flexibility in shooting positions compared to X-T10.