The Canon EOS R6 is 14 mm narrower, 18.9 mm shorter, 12 mm deeper and 270 g lighter than the Canon EOS 5D Mark III.
| Canon EOS 5D Mark III | Canon EOS R6 | |
|---|---|---|
| Size (W × H × D) | 152 × 116.4 × 76.4 mm | 138 × 97.5 × 88.4 mm |
| Weight | 950 g | 680 g |
| Lens | Canon EF | Canon RF |
| Sensor | Full frame | — |
| Announced | 2012 | 2020 |