The Olympus OM-D E-M1 Mark III is 25.9 mm narrower, 67.6 mm shorter, 23.1 mm thinner and 825 g lighter than the Nikon D5.
| Nikon D5 | Olympus OM-D E-M1 Mark III | |
|---|---|---|
| Size (W × H × D) | 160 × 158.5 × 92 mm | 134.1 × 90.9 × 68.9 mm |
| Weight | 1,405 g | 580 g |
| Lens | Nikon F | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2016 | 2020 |