The Olympus PEN E-P7 is 31.7 mm narrower, 74.1 mm shorter, 44.6 mm thinner and 678 g lighter than the Canon Canon EOS R3.
| Canon Canon EOS R3 | Olympus PEN E-P7 | |
|---|---|---|
| Size (W × H × D) | 150 × 142.6 × 82.7 mm | 118.3 × 68.5 × 38.1 mm |
| Weight | 1,015 g | 337 g |
| Lens | Canon RF | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2021 | 2021 |