The Olympus OM-D E-M5 Mark III is 3.3 mm wider, 16.2 mm taller, 25.4 mm thinner and 79 g lighter than the Sony Alpha a6700.
| Sony Alpha a6700 | Olympus OM-D E-M5 Mark III | |
|---|---|---|
| Size (W × H × D) | 122 × 69 × 75.1 mm | 125.3 × 85.2 × 49.7 mm |
| Weight | 493 g | 414 g |
| Lens | Sony E | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2023 | 2019 |