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 E-M10 IV and Canon 1D X III side-by-side from the front, back and top in their relative dimensions. Olympus E-M10 IV has external dimensions of 122 x 84 x 49 mm (4.8 x 3.31 x 1.93″) and weighs 383 g (0.84 lb / 13.51 oz) (including batteries). Canon 1D X III has external dimensions of 158 x 168 x 83 mm (6.22 x 6.61 x 3.27″) and weighs 1440 g (3.17 lb / 50.79 oz) (including batteries).
Below you can see the front view size comparison of Olympus E-M10 IV and Canon 1D X III. Olympus E-M10 IV is clearly the smaller of the two cameras. Its body is 36mm narrower, 84mm shorter and 34mm thinner than Canon 1D X III.
Here is the back view size comparison of Olympus E-M10 IV and Canon 1D X III.
Now lets look at the top view comparison of Olympus E-M10 IV and Canon 1D X III.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Olympus E-M10 IV is significantly lighter (1057g ) than the Canon 1D X III which may become a big advantage especially on long walking trips.
Also keep in mind that body weight is not the only deciding factor when comparing two interchangeable camera bodies, you have to also take into account the lenses that you will be using with these bodies. Since Canon 1D X III has a Full frame sensor and Olympus E-M10 IV has a smaller Four Thirds sensor, Olympus E-M10 IV's lenses for a similar focal length and aperture will generally be lighter and smaller than the Canon 1D X III lenses.
Thanks to the weather sealed body of 1D X MIII, you can use this camera with more confidence under conditions where there is risk of exposure to water and dust compared to E-M10 IV.
LCD Screen Size and Features
Canon 1D X III's 3.2 LCD screen is slightly larger than Olympus E-M10 IV's 3" screen.
On the other hand, Olympus E-M10 IV LCD screen 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, Canon 1D X III has a fixed type screen which provides less flexibility in shooting positions compared to E-M10 IV.