The Canon EOS M3 is 8.2 mm narrower, 14.3 mm shorter, 1.5 mm thinner and 34 g lighter than the Olympus OM-D E-M10.
| Olympus OM-D E-M10 | Canon EOS M3 | |
|---|---|---|
| Size (W × H × D) | 119.1 × 82.3 × 45.9 mm | 110.9 × 68 × 44.4 mm |
| Weight | 400 g | 366 g |
| Lens | Micro Four Thirds | Canon EF-M |
| Sensor | Four Thirds | — |
| Announced | 2014 | 2015 |