The Canon EOS-1D X Mark III is 2 mm narrower, 4.6 mm taller, 9.4 mm thinner and 200 g lighter than the Nikon D6.
| Nikon D6 | Canon EOS-1D X Mark III | |
|---|---|---|
| Size (W × H × D) | 160 × 163 × 92 mm | 158 × 167.6 × 82.6 mm |
| Weight | 1,450 g | 1,250 g |
| Lens | Nikon F | Canon EF |
| Sensor | — | Full frame |
| Announced | 2020 | 2020 |