The Nikon ZR is 1.1 mm narrower, 10.4 mm shorter, 20.2 mm thinner and 50 g heavier than the Olympus OM-D E-M1 Mark III.
| Olympus OM-D E-M1 Mark III | Nikon ZR | |
|---|---|---|
| Size (W × H × D) | 134.1 × 90.9 × 68.9 mm | 133 × 80.5 × 48.7 mm |
| Weight | 580 g | 630 g |
| Lens | Micro Four Thirds | Nikon Z |
| Sensor | Four Thirds | — |
| Announced | 2020 | 2025 |