The Sony Alpha a6400 is 20.5 mm narrower, 46.1 mm shorter, 18.3 mm thinner and 437 g lighter than the Nikon D750.
| Nikon D750 | Sony Alpha a6400 | |
|---|---|---|
| Size (W × H × D) | 140.5 × 113 × 78 mm | 120 × 66.9 × 59.7 mm |
| Weight | 840 g | 403 g |
| Lens | Nikon F | Sony E |
| Announced | 2014 | 2019 |