Reasons to choose PowerShot A650 IS
Released in 2007, PowerShot A650 IS has about 42 mm² of sensor area, 12.1 MP effective resolution, and a 300 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon PowerShot A650 IS
vs Canon PowerShot S90
VS
Sensor area
42 mm²
PowerShot A650 IS42 mm²
PowerShot S90- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The PowerShot A650 IS and PowerShot S90 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 A650 ISMetricPowerShot S90
12.1 MPEffective pixels10 MP
7.53 × 5.64Sensor7.53 × 5.64
1.87 µmPixel pitch2.06 µm
3.51 µm²Pixel area4.25 µm²
28.49 MP/cm²Pixel density23.55 MP/cm²
4.6Crop factor4.6
—Maximum video640 × 480
300 gWeight195 g
MultiMedia, SDHC, Secure DigitalStorageSD, SDHC, MMC, MMCplus, HC MMCplus card
AA (4) batteries (NiMH recommended)BatteryLithium-Ion NB-6L rechargeable battery Li-ion battery
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 A650 IS and PowerShot S90 have the same sensor area. The PowerShot S90 has the lighter body. The PowerShot A650 IS has the higher effective resolution. The PowerShot S90 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose PowerShot S90
Released in 2009, PowerShot S90 has about 42 mm² of sensor area, 10 MP effective resolution, and a 195 g body. Use these values to narrow the field, not as an overall image-quality score.