The Nikon D5100 is 31 mm narrower, 71.1 mm shorter, 3.9 mm thinner and 970 g lighter than the Canon EOS-1D X Mark II.
| Canon EOS-1D X Mark II | Nikon D5100 | |
|---|---|---|
| Size (W × H × D) | 158 × 167.6 × 82.6 mm | 127 × 96.5 × 78.7 mm |
| Weight | 1,530 g | 560 g |
| Lens | Canon EF | Nikon F |
| Sensor | Full frame | — |
| Announced | 2016 | 2011 |