The Canon EOS R8 is 12.6 mm wider, 19.2 mm taller, 10.3 mm deeper and 58 g heavier than the Sony Alpha a6400.
| Sony Alpha a6400 | Canon EOS R8 | |
|---|---|---|
| Size (W × H × D) | 120 × 66.9 × 59.7 mm | 132.6 × 86.1 × 70 mm |
| Weight | 403 g | 461 g |
| Lens | Sony E | Canon RF |
| Announced | 2019 | 2023 |