The Nikon D4 is 4 mm wider, 0.1 mm shorter, 10.6 mm deeper and 110 g heavier than the Canon EOS-1D Mark IV.
| Canon EOS-1D Mark IV | Nikon D4 | |
|---|---|---|
| Size (W × H × D) | 156 × 156.6 × 79.9 mm | 160 × 156.5 × 90.5 mm |
| Weight | 1,230 g | 1,340 g |
| Lens | Canon EF | Nikon F |
| Sensor | APS-H | — |
| Announced | 2009 | 2012 |