The Olympus OM-D E-M1 Mark III is 12.4 mm wider, 6.3 mm taller, 19.9 mm deeper and 197 g heavier than the Olympus OM-D E-M10 Mark IV.
| Olympus OM-D E-M10 Mark IV | Olympus OM-D E-M1 Mark III | |
|---|---|---|
| Size (W × H × D) | 121.7 × 84.6 × 49 mm | 134.1 × 90.9 × 68.9 mm |
| Weight | 383 g | 580 g |
| Lens | Micro Four Thirds | Micro Four Thirds |
| Sensor | Four Thirds | Four Thirds |
| Announced | 2020 | 2020 |