The Sony Alpha a6400 is 23.5 mm narrower, 48.6 mm shorter, 16.3 mm thinner and 437 g lighter than the Nikon D780.
| Nikon D780 | Sony Alpha a6400 | |
|---|---|---|
| Size (W × H × D) | 143.5 × 115.5 × 76 mm | 120 × 66.9 × 59.7 mm |
| Weight | 840 g | 403 g |
| Lens | Nikon F | Sony E |
| Announced | 2020 | 2019 |