The Canon EOS 6D is 7.5 mm narrower, 5.9 mm shorter, 5.2 mm thinner and 180 g lighter than the Canon EOS 5D Mark III.
| Canon EOS 5D Mark III | Canon EOS 6D | |
|---|---|---|
| Size (W × H × D) | 152 × 116.4 × 76.4 mm | 144.5 × 110.5 × 71.2 mm |
| Weight | 950 g | 770 g |
| Lens | Canon EF | Canon EF |
| Sensor | Full frame | Full frame |
| Announced | 2012 | 2012 |