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 E-M1X and Nikon Z5 side-by-side from the front, back and top in their relative dimensions. Olympus E-M1X has external dimensions of 144 x 147 x 75 mm (5.67 x 5.79 x 2.95″) and weighs 997 g (2.20 lb / 35.17 oz) (including batteries). Nikon Z5 has external dimensions of 134 x 101 x 70 mm (5.28 x 3.98 x 2.76″) and weighs 675 g (1.49 lb / 23.81 oz) (including batteries).
Below you can see the front-view size comparison of the Olympus E-M1X and the Nikon Z5. Nikon Z5 is clearly the smaller of the two cameras. Its body is 10mm narrower, 46mm shorter and 5mm thinner than Olympus E-M1X.
Here is the back view size comparison of the Olympus E-M1X and Nikon Z5.
Now lets look at the top view comparison of Olympus E-M1X and Nikon Z5.
Weight is another important factor, especially when deciding on a camera that you want to carry with you all day.
Nikon Z5 is significantly lighter (322g ) than the Olympus E-M1X 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 also have to take into account the lenses that you will be using with these bodies. Since Nikon Z5 has a Full frame sensor and Olympus E-M1X has a smaller Four Thirds sensor, Olympus E-M1X's lenses for a similar focal length and aperture will generally be lighter and smaller than the Nikon Z5 lenses.
Weather Sealing
Both the E-M1X and the Z5 have weather sealings in their bodies, making them resistant to water and dust.
LCD Screen Size and Features
Nikon Z5's 3.20" LCD screen is slightly larger than Olympus E-M1X's 3 screen.