Reasons to choose PowerShot A450
Released in 2007, PowerShot A450 has about 17 mm² of sensor area, 5 MP effective resolution, and a 165 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon PowerShot A450
vs Canon PowerShot SX120 IS
VS
Sensor area
17 mm²
PowerShot A45025 mm²
PowerShot SX120 IS- Area ratio
- 1.44:1
- Absolute difference
- 8 mm²
- Relative difference
- 43.8%
The PowerShot SX120 IS 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 A450MetricPowerShot SX120 IS
5 MPEffective pixels10 MP
4.8 × 3.6Sensor5.75 × 4.32
1.86 µmPixel pitch1.58 µm
3.46 µm²Pixel area2.48 µm²
28.94 MP/cm²Pixel density40.26 MP/cm²
7.21Crop factor6.02
—Maximum video—
165 gWeight245 g
Secure DigitalStorageSDHC, Secure Digital
AA (2) batteries (NiMH recommended)Battery2 x AA 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 SX120 IS has the larger sensor area. The PowerShot A450 has the lighter body. The PowerShot SX120 IS has the higher effective resolution. The PowerShot SX120 IS is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose PowerShot SX120 IS
Released in 2009, PowerShot SX120 IS has about 25 mm² of sensor area, 10 MP effective resolution, and a 245 g body. Use these values to narrow the field, not as an overall image-quality score.