The Olympus OM-D E-M10 Mark IV is 30.3 mm narrower, 31.8 mm shorter, 27.4 mm thinner and 567 g lighter than the Canon EOS 5D Mark III.
| Canon EOS 5D Mark III | Olympus OM-D E-M10 Mark IV | |
|---|---|---|
| Size (W × H × D) | 152 × 116.4 × 76.4 mm | 121.7 × 84.6 × 49 mm |
| Weight | 950 g | 383 g |
| Lens | Canon EF | Micro Four Thirds |
| Sensor | Full frame | Four Thirds |
| Announced | 2012 | 2020 |