The Panasonic Lumix DC G9 is 5.8 mm wider, 0.9 mm taller and 11.8 mm deeper than the Sony A7 IV, and as heavy.
| Sony A7 IV | Panasonic Lumix DC G9 | |
|---|---|---|
| Size (W × H × D) | 131.1 × 96.4 × 79.8 mm | 136.9 × 97.3 × 91.6 mm |
| Weight | 658 g | 658 g |
| Lens | Sony E | Micro Four Thirds |
| Sensor | — | Four Thirds |
| Announced | 2021 | 2017 |