Reasons to choose Digital IXUS i Zoom
Released in 2005, Digital IXUS i Zoom has about 25 mm² of sensor area, 5 MP effective resolution, and a 120 g body. Use these values to narrow the field, not as an overall image-quality score.


The Digital IXUS i Zoom and PowerShot A550 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.
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
The Digital IXUS i Zoom and PowerShot A550 have the same sensor area. The Digital IXUS i Zoom has the lighter body. The PowerShot A550 has the higher effective resolution. The PowerShot A550 is the newer release. Also consider the lens system and subjects you shoot.
Released in 2005, Digital IXUS i Zoom has about 25 mm² of sensor area, 5 MP effective resolution, and a 120 g body. Use these values to narrow the field, not as an overall image-quality score.
Released in 2007, PowerShot A550 has about 25 mm² of sensor area, 7.1 MP effective resolution, and a 160 g body. Use these values to narrow the field, not as an overall image-quality score.