The Olympus OM-D E-M1 Mark III is 4.7 mm narrower, 10.6 mm taller, 30.5 mm deeper and 50 g heavier than the Leica M11.
| Leica M11 | Olympus OM-D E-M1 Mark III | |
|---|---|---|
| Size (W × H × D) | 138.8 × 80.3 × 38.5 mm | 134.1 × 90.9 × 68.9 mm |
| Weight | 530 g | 580 g |
| Lens | Leica M | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2022 | 2020 |