The Canon EOS 5D Mark IV is 16.6 mm wider, 25.5 mm taller, 7 mm deeper and 220 g heavier than the Olympus OM-D E-M1 Mark III.
| Olympus OM-D E-M1 Mark III | Canon EOS 5D Mark IV | |
|---|---|---|
| Size (W × H × D) | 134.1 × 90.9 × 68.9 mm | 150.7 × 116.4 × 75.9 mm |
| Weight | 580 g | 800 g |
| Lens | Micro Four Thirds | Canon EF |
| Sensor | Four Thirds | Full frame |
| Announced | 2020 | 2016 |