The Nikon D810 is 26 mm wider, 56.1 mm taller, 21.8 mm deeper and 577 g heavier than the Sony Alpha a6400.
| Sony Alpha a6400 | Nikon D810 | |
|---|---|---|
| Size (W × H × D) | 120 × 66.9 × 59.7 mm | 146 × 123 × 81.5 mm |
| Weight | 403 g | 980 g |
| Lens | Sony E | Nikon F |
| Announced | 2019 | 2014 |