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.
Side-by-side comparison
Canon PowerShot A20
vs Canon PowerShot A300
VS
Sensor area
21 mm²
PowerShot A2021 mm²
PowerShot A300- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The PowerShot A20 and PowerShot A300 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
PowerShot A20MetricPowerShot A300
1.9 MPEffective pixels3.1 MP
5.33 × 4Sensor5.33 × 4
3.35 µmPixel pitch2.62 µm
11.22 µm²Pixel area6.88 µm²
8.91 MP/cm²Pixel density14.54 MP/cm²
6.49Crop factor6.49
—Maximum video—
250 gWeight175 g
CompactFlash type IStorageCompactFlash type I
AA (4) 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 A20 and PowerShot A300 have the same sensor area. The PowerShot A300 has the lighter body. The PowerShot A300 has the higher effective resolution. The PowerShot A300 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose PowerShot A300
Released in 2003, PowerShot A300 has about 21 mm² of sensor area, 3.1 MP effective resolution, and a 175 g body. Use these values to narrow the field, not as an overall image-quality score.