Reasons to choose Digital IXUS
Released in 2000, Digital IXUS has about 21 mm² of sensor area, 2.02 MP effective resolution, and a 250 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon Digital IXUS
vs Canon PowerShot A20
VS
Sensor area
21 mm²
Digital IXUS21 mm²
PowerShot A20- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The Digital IXUS and PowerShot A20 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
These cameras were released 1 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
Digital IXUSMetricPowerShot A20
2.02 MPEffective pixels1.9 MP
5.33 × 4Sensor5.33 × 4
3.25 µmPixel pitch3.35 µm
10.55 µm²Pixel area11.22 µm²
9.47 MP/cm²Pixel density8.91 MP/cm²
6.49Crop factor6.49
—Maximum video—
250 gWeight250 g
Compact Flash (Type I)StorageCompactFlash type I
Canon Lithium-Ion Li-ion batteryBatteryAA (4) 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 Digital IXUS and PowerShot A20 have the same sensor area. The Digital IXUS and PowerShot A20 have the same body weight. The Digital IXUS has the higher effective resolution. The PowerShot A20 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose PowerShot A20
Released in 2001, PowerShot A20 has about 21 mm² of sensor area, 1.9 MP effective resolution, and a 250 g body. Use these values to narrow the field, not as an overall image-quality score.