The Olympus OM-D E-M1 Mark III is 3.9 mm narrower, 6.6 mm shorter, 19.1 mm thinner and 158 g lighter than the Canon EOS R5.
| Canon EOS R5 | Olympus OM-D E-M1 Mark III | |
|---|---|---|
| Size (W × H × D) | 138 × 97.5 × 88 mm | 134.1 × 90.9 × 68.9 mm |
| Weight | 738 g | 580 g |
| Lens | Canon RF | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2020 | 2020 |