Reasons to choose Q-S1
Released in 2014, Q-S1 has about 42 mm² of sensor area, 12.4 MP effective resolution, and a 203 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Pentax Q-S1
vs Pentax XG-1
VS
Sensor area
42 mm²
Q-S128 mm²
XG-1- Area ratio
- 1.53:1
- Absolute difference
- 15 mm²
- Relative difference
- 53.2%
The Q-S1 has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
Key specification differences
Q-S1MetricXG-1
12.4 MPEffective pixels16 MP
7.53 × 5.64Sensor6.08 × 4.56
1.85 µmPixel pitch1.32 µm
3.42 µm²Pixel area1.73 µm²
29.2 MP/cm²Pixel density57.71 MP/cm²
4.6Crop factor5.69
1,920 × 1,080Maximum video1,920 × 1,080
203 gWeight567 g
SD/SDHC/SDXCStorageSD/SDHC
Rechargeable Lithium-ion Battery D-LI68 Li-ion batteryBatteryRechargeable lithium-ion battery LB-060 Li-ion battery
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
How to choose between these cameras
The Q-S1 has the larger sensor area. The Q-S1 has the lighter body. The XG-1 has the higher effective resolution. The Q-S1 and XG-1 were both released in 2014. Also consider the lens system and subjects you shoot.
Reasons to choose XG-1
Released in 2014, XG-1 has about 28 mm² of sensor area, 16 MP effective resolution, and a 567 g body. Use these values to narrow the field, not as an overall image-quality score.