Reasons to choose PowerShot Pro90 IS
Released in 2001, PowerShot Pro90 IS has about 38 mm² of sensor area, 2.58 MP effective resolution, and a 680 g body. Use these values to narrow the field, not as an overall image-quality score.


The PowerShot Pro90 IS and PowerShot S20 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.
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
The PowerShot Pro90 IS and PowerShot S20 have the same sensor area. The PowerShot S20 has the lighter body. The PowerShot S20 has the higher effective resolution. The PowerShot Pro90 IS is the newer release. Also consider the lens system and subjects you shoot.
Released in 2001, PowerShot Pro90 IS has about 38 mm² of sensor area, 2.58 MP effective resolution, and a 680 g body. Use these values to narrow the field, not as an overall image-quality score.
Released in 2000, PowerShot S20 has about 38 mm² of sensor area, 3.1 MP effective resolution, and a 320 g body. Use these values to narrow the field, not as an overall image-quality score.