The Olympus OM-D E-M10 Mark II is 29.5 mm narrower, 66.4 mm shorter, 43.8 mm thinner and 950 g lighter than the Nikon Z9.
| Nikon Z9 | Olympus OM-D E-M10 Mark II | |
|---|---|---|
| Size (W × H × D) | 149 × 149.5 × 90.5 mm | 119.5 × 83.1 × 46.7 mm |
| Weight | 1,340 g | 390 g |
| Lens | Nikon Z | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2022 | 2015 |