The Nikon D610 is 20 mm wider, 23.4 mm taller, 40.1 mm deeper and 450 g heavier than the Olympus OM-D E-M5.
| Olympus OM-D E-M5 | Nikon D610 | |
|---|---|---|
| Size (W × H × D) | 121 × 89.6 × 41.9 mm | 141 × 113 × 82 mm |
| Weight | 400 g | 850 g |
| Lens | Micro Four Thirds | Nikon F |
| Sensor | Four Thirds | — |
| Announced | 2012 | 2013 |