The Olympus OM-D E-M10 Mark IV is 18.8 mm narrower, 28.4 mm shorter, 29 mm thinner and 457 g lighter than the Nikon D750.
| Nikon D750 | Olympus OM-D E-M10 Mark IV | |
|---|---|---|
| Size (W × H × D) | 140.5 × 113 × 78 mm | 121.7 × 84.6 × 49 mm |
| Weight | 840 g | 383 g |
| Lens | Nikon F | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2014 | 2020 |