Reasons to choose Digital IXUS 100 IS
Released in 2009, Digital IXUS 100 IS has about 28 mm² of sensor area, 12.1 MP effective resolution, and a 155 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon Digital IXUS 100 IS
vs Canon PowerShot G9
VS
Sensor area
28 mm²
Digital IXUS 100 IS42 mm²
PowerShot G9- Area ratio
- 1.49:1
- Absolute difference
- 14 mm²
- Relative difference
- 49.2%
The PowerShot G9 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
Digital IXUS 100 ISMetricPowerShot G9
12.1 MPEffective pixels12.1 MP
6.16 × 4.62Sensor7.53 × 5.64
1.53 µmPixel pitch1.87 µm
2.35 µm²Pixel area3.51 µm²
42.52 MP/cm²Pixel density28.49 MP/cm²
5.62Crop factor4.6
1,280 × 720Maximum video—
155 gWeight320 g
SD/SDHC/MMC/MMCplus/HD MMCplusStorageMultiMedia, SDHC, Secure Digital
Lithium-Ion NB-4L battery Li-ion batteryBatteryCanon Lithium-Ion 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 G9 has the larger sensor area. The Digital IXUS 100 IS has the lighter body. The Digital IXUS 100 IS and PowerShot G9 have the same effective resolution. The Digital IXUS 100 IS is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose PowerShot G9
Released in 2007, PowerShot G9 has about 42 mm² of sensor area, 12.1 MP effective resolution, and a 320 g body. Use these values to narrow the field, not as an overall image-quality score.