Reasons to choose Cyber-shot DSC-P20
Released in 2001, Cyber-shot DSC-P20 has about 21 mm² of sensor area, 1.3 MP effective resolution, and a 230 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Sony Cyber-shot DSC-P20
vs Sony Cyber-shot DSC-U30
VS
Sensor area
21 mm²
Cyber-shot DSC-P2021 mm²
Cyber-shot DSC-U30- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The Cyber-shot DSC-P20 and Cyber-shot DSC-U30 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
These cameras were released 2 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
Cyber-shot DSC-P20MetricCyber-shot DSC-U30
1.3 MPEffective pixels2 MP
5.33 × 4Sensor5.33 × 4
4.05 µmPixel pitch3.26 µm
16.4 µm²Pixel area10.66 µm²
6.1 MP/cm²Pixel density9.38 MP/cm²
6.49Crop factor6.49
—Maximum video—
230 gWeight123 g
Memory StickStorageMemory Stick, Memory Stick Pro
AA (2) batteries (NiMH recommended)BatteryAAA (2) batteries NiMH supplied
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 Cyber-shot DSC-P20 and Cyber-shot DSC-U30 have the same sensor area. The Cyber-shot DSC-U30 has the lighter body. The Cyber-shot DSC-U30 has the higher effective resolution. The Cyber-shot DSC-U30 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Cyber-shot DSC-U30
Released in 2003, Cyber-shot DSC-U30 has about 21 mm² of sensor area, 2 MP effective resolution, and a 123 g body. Use these values to narrow the field, not as an overall image-quality score.