The Olympus OM-D E-M1 Mark III is 4.4 mm narrower, 10.6 mm shorter, 5.1 mm thinner and 180 g lighter than the Nikon Z6III.
| Nikon Z6III | Olympus OM-D E-M1 Mark III | |
|---|---|---|
| Size (W × H × D) | 138.5 × 101.5 × 74 mm | 134.1 × 90.9 × 68.9 mm |
| Weight | 760 g | 580 g |
| Lens | Nikon Z | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2024 | 2020 |