The Canon EOS R100 is 5.4 mm narrower, 0.9 mm taller, 19.8 mm deeper and 27 g lighter than the Olympus OM-D E-M10 Mark IV.
| Olympus OM-D E-M10 Mark IV | Canon EOS R100 | |
|---|---|---|
| Size (W × H × D) | 121.7 × 84.6 × 49 mm | 116.3 × 85.5 × 68.8 mm |
| Weight | 383 g | 356 g |
| Lens | Micro Four Thirds | Canon RF |
| Sensor | Four Thirds | — |
| Announced | 2020 | 2023 |