The Nikon D810 is 6 mm narrower, 6.6 mm taller, 5.1 mm deeper and 30 g heavier than the Canon EOS 5D Mark III.
| Canon EOS 5D Mark III | Nikon D810 | |
|---|---|---|
| Size (W × H × D) | 152 × 116.4 × 76.4 mm | 146 × 123 × 81.5 mm |
| Weight | 950 g | 980 g |
| Lens | Canon EF | Nikon F |
| Sensor | Full frame | — |
| Announced | 2012 | 2014 |