The Pentax Q-S1 is 14.5 mm narrower, 5.6 mm shorter, 8.5 mm thinner and 170 g lighter than the Samsung NX500.
| Samsung NX500 | Pentax Q-S1 | |
|---|---|---|
| Size (W × H × D) | 119.5 × 63.6 × 42.5 mm | 105 × 58 × 34 mm |
| Weight | 370 g | 200 g |
| Lens | Samsung NX | Pentax Q |
| Sensor | — | 1/1.7" |
| Announced | 2015 | 2014 |