The Canon EOS 90D is 6.6 mm wider, 13.9 mm taller, 7.9 mm deeper and 121 g heavier than the Olympus OM-D E-M1 Mark III.
| Olympus OM-D E-M1 Mark III | Canon EOS 90D | |
|---|---|---|
| Size (W × H × D) | 134.1 × 90.9 × 68.9 mm | 140.7 × 104.8 × 76.8 mm |
| Weight | 580 g | 701 g |
| Lens | Micro Four Thirds | Canon EF |
| Sensor | Four Thirds | APS-C |
| Announced | 2020 | 2019 |