The Nikon 1 J3 is 1 mm narrower, 2.5 mm taller, 4.7 mm thinner and 46 g heavier than the Pentax Q10.
| Pentax Q10 | Nikon 1 J3 | |
|---|---|---|
| Size (W × H × D) | 102 × 58 × 33.5 mm | 101 × 60.5 × 28.8 mm |
| Weight | 200 g | 246 g |
| Lens | Pentax Q | Nikon 1 |
| Sensor | 1/2.3" | — |
| Announced | 2012 | 2013 |