Reasons to choose PowerShot A490
Released in 2010, PowerShot A490 has about 28 mm² of sensor area, 10 MP effective resolution, and a 135 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon PowerShot A490
vs Nikon Coolpix S550
VS
Sensor area
28 mm²
PowerShot A49028 mm²
Coolpix S550- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The PowerShot A490 and Coolpix S550 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 A490MetricCoolpix S550
10 MPEffective pixels10 MP
6.16 × 4.62Sensor6.16 × 4.62
1.69 µmPixel pitch1.69 µm
2.85 µm²Pixel area2.85 µm²
35.14 MP/cm²Pixel density35.14 MP/cm²
5.62Crop factor5.62
—Maximum video—
135 gWeight120 g
SDHC, Secure DigitalStorageSDHC, Secure Digital
2 x AA batteries (Alkaline or NiMH)BatteryLithium-Ion (EN-EL11) 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 A490 and Coolpix S550 have the same sensor area. The Coolpix S550 has the lighter body. The PowerShot A490 and Coolpix S550 have the same effective resolution. The PowerShot A490 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Coolpix S550
Released in 2008, Coolpix S550 has about 28 mm² of sensor area, 10 MP effective resolution, and a 120 g body. Use these values to narrow the field, not as an overall image-quality score.