The Canon EOS R100 is 35.7 mm narrower, 28 mm shorter, 6.2 mm thinner and 582 g lighter than the Canon EOS 5D Mark II.
| Canon EOS 5D Mark II | Canon EOS R100 | |
|---|---|---|
| Size (W × H × D) | 152 × 113.5 × 75 mm | 116.3 × 85.5 × 68.8 mm |
| Weight | 938 g | 356 g |
| Lens | Canon EF | Canon RF |
| Sensor | Full frame | — |
| Announced | 2008 | 2023 |