The Olympus OM-D E-M10 is 7.8 mm narrower, 13.4 mm shorter, 13.8 mm thinner and 199 g lighter than the Sony A7 II.
| Sony A7 II | Olympus OM-D E-M10 | |
|---|---|---|
| Size (W × H × D) | 126.9 × 95.7 × 59.7 mm | 119.1 × 82.3 × 45.9 mm |
| Weight | 599 g | 400 g |
| Lens | Sony E | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2014 | 2014 |