The Pentax K-70 is 8.6 mm narrower, 2.1 mm taller, 5.1 mm deeper and 108 g heavier than the Olympus OM-D E-M1 Mark III.
| Olympus OM-D E-M1 Mark III | Pentax K-70 | |
|---|---|---|
| Size (W × H × D) | 134.1 × 90.9 × 68.9 mm | 125.5 × 93 × 74 mm |
| Weight | 580 g | 688 g |
| Lens | Micro Four Thirds | Pentax K |
| Sensor | Four Thirds | — |
| Announced | 2020 | 2016 |