The Olympus OM-D E-M10 Mark IV is 21.8 mm narrower, 30.9 mm shorter, 27 mm thinner and 457 g lighter than the Nikon D780.
| Nikon D780 | Olympus OM-D E-M10 Mark IV | |
|---|---|---|
| Size (W × H × D) | 143.5 × 115.5 × 76 mm | 121.7 × 84.6 × 49 mm |
| Weight | 840 g | 383 g |
| Lens | Nikon F | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2020 | 2020 |