The Olympus OM-D E-M1 is 10.4 mm wider, 26.6 mm taller, 18 mm deeper and 153 g heavier than the Sony Alpha a6000.
| Sony Alpha a6000 | Olympus OM-D E-M1 | |
|---|---|---|
| Size (W × H × D) | 120 × 66.9 × 45.1 mm | 130.4 × 93.5 × 63.1 mm |
| Weight | 344 g | 497 g |
| Lens | Sony E | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2014 | 2013 |