The Pentax Q is 41 mm narrower, 22.5 mm shorter, 6 mm thinner and 400 g lighter than the Leica M Monochrom.
| Leica M Monochrom | Pentax Q | |
|---|---|---|
| Size (W × H × D) | 139 × 80 × 37 mm | 98 × 57.5 × 31 mm |
| Weight | 600 g | 200 g |
| Lens | Leica M | Pentax Q |
| Sensor | — | 1/2.3" |
| Announced | 2012 | 2011 |