The Olympus OM-D E-M5 Mark III is 6.7 mm narrower, 5.2 mm shorter, 42 mm thinner and 198 g lighter than the Canon EOS R7.
| Canon EOS R7 | Olympus OM-D E-M5 Mark III | |
|---|---|---|
| Size (W × H × D) | 132 × 90.4 × 91.7 mm | 125.3 × 85.2 × 49.7 mm |
| Weight | 612 g | 414 g |
| Lens | Canon RF | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2022 | 2019 |