The Olympus OM-D E-M5 Mark III is 12.7 mm narrower, 12.3 mm shorter, 38.3 mm thinner and 324 g lighter than the Canon EOS R5.
| Canon EOS R5 | Olympus OM-D E-M5 Mark III | |
|---|---|---|
| Size (W × H × D) | 138 × 97.5 × 88 mm | 125.3 × 85.2 × 49.7 mm |
| Weight | 738 g | 414 g |
| Lens | Canon RF | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2020 | 2019 |