The Olympus OM-D E-M1 Mark III is 12.1 mm wider, 21.9 mm taller, 6.2 mm thinner and 87 g heavier than the Sony Alpha a6700.
| Sony Alpha a6700 | Olympus OM-D E-M1 Mark III | |
|---|---|---|
| Size (W × H × D) | 122 × 69 × 75.1 mm | 134.1 × 90.9 × 68.9 mm |
| Weight | 493 g | 580 g |
| Lens | Sony E | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2023 | 2020 |