Reasons to choose PowerShot A400
Released in 2004, PowerShot A400 has about 15 mm² of sensor area, 3.1 MP effective resolution, and a 255 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon PowerShot A400
vs Canon PowerShot A530
VS
Sensor area
15 mm²
PowerShot A40025 mm²
PowerShot A530- Area ratio
- 1.64:1
- Absolute difference
- 10 mm²
- Relative difference
- 63.8%
The PowerShot A530 has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
These cameras were released 2 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
PowerShot A400MetricPowerShot A530
3.1 MPEffective pixels5 MP
4.5 × 3.37Sensor5.75 × 4.32
2.21 µmPixel pitch2.23 µm
4.89 µm²Pixel area4.97 µm²
20.44 MP/cm²Pixel density20.13 MP/cm²
7.7Crop factor6.02
—Maximum video—
255 gWeight220 g
SD/MMC cardStorageSD/MMC card
AA (2) batteries (NiMH recommended)BatteryAA (2) batteries (NiMH recommended)
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 PowerShot A530 has the larger sensor area. The PowerShot A530 has the lighter body. The PowerShot A530 has the higher effective resolution. The PowerShot A530 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose PowerShot A530
Released in 2006, PowerShot A530 has about 25 mm² of sensor area, 5 MP effective resolution, and a 220 g body. Use these values to narrow the field, not as an overall image-quality score.