The Pentax Q-S1 is 17 mm narrower, 5.7 mm shorter, 6 mm thinner and 140 g lighter than the Samsung NX300.
| Samsung NX300 | Pentax Q-S1 | |
|---|---|---|
| Size (W × H × D) | 122 × 63.7 × 40 mm | 105 × 58 × 34 mm |
| Weight | 340 g | 200 g |
| Lens | Samsung NX | Pentax Q |
| Sensor | — | 1/1.7" |
| Announced | 2013 | 2014 |