The Canon EOS-1D X is 27.6 mm wider, 70.1 mm taller, 19.6 mm deeper and 713 g heavier than the Olympus OM-D E-M1.
| Olympus OM-D E-M1 | Canon EOS-1D X | |
|---|---|---|
| Size (W × H × D) | 130.4 × 93.5 × 63.1 mm | 158 × 163.6 × 82.7 mm |
| Weight | 497 g | 1,210 g |
| Lens | Micro Four Thirds | Canon EF |
| Sensor | Four Thirds | Full frame |
| Announced | 2013 | 2011 |