The Pentax K-3 III is 0.2 mm wider, 1.2 mm taller, 16.6 mm thinner and 162 g heavier than the Panasonic Lumix G9 II.
| Panasonic Lumix G9 II | Pentax K-3 III | |
|---|---|---|
| Size (W × H × D) | 134.3 × 102.3 × 90.1 mm | 134.5 × 103.5 × 73.5 mm |
| Weight | 658 g | 820 g |
| Lens | Micro Four Thirds | Pentax K |
| Sensor | Four Thirds | — |
| Announced | 2023 | 2021 |