The Sony Alpha a6400 is 1.7 mm narrower, 17.7 mm shorter, 10.7 mm deeper and 20 g heavier than the Olympus OM-D E-M10 Mark IV.
| Olympus OM-D E-M10 Mark IV | Sony Alpha a6400 | |
|---|---|---|
| Size (W × H × D) | 121.7 × 84.6 × 49 mm | 120 × 66.9 × 59.7 mm |
| Weight | 383 g | 403 g |
| Lens | Micro Four Thirds | Sony E |
| Sensor | Four Thirds | — |
| Announced | 2020 | 2019 |