The Sony Alpha a6400 is 26 mm narrower, 57.1 mm shorter, 18.8 mm thinner and 602 g lighter than the Nikon D850.
| Nikon D850 | Sony Alpha a6400 | |
|---|---|---|
| Size (W × H × D) | 146 × 124 × 78.5 mm | 120 × 66.9 × 59.7 mm |
| Weight | 1,005 g | 403 g |
| Lens | Nikon F | Sony E |
| Announced | 2017 | 2019 |