Reasons to choose PowerShot A640
Released in 2006, PowerShot A640 has about 38 mm² of sensor area, 10 MP effective resolution, and a 327 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon PowerShot A640
vs Nikon Coolpix P6000
VS
Sensor area
38 mm²
PowerShot A64042 mm²
Coolpix P6000- Area ratio
- 1.1:1
- Absolute difference
- 4 mm²
- Relative difference
- 9.5%
The Coolpix P6000 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
PowerShot A640MetricCoolpix P6000
10 MPEffective pixels13.5 MP
7.11 × 5.33Sensor7.44 × 5.58
1.95 µmPixel pitch1.75 µm
3.79 µm²Pixel area3.08 µm²
26.39 MP/cm²Pixel density32.52 MP/cm²
4.87Crop factor4.65
—Maximum video—
327 gWeight292 g
MultiMedia, Secure DigitalStorageSDHC, Secure Digital
AA (4) batteries (NiMH recommended)BatteryNikon EN-EL5 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 Coolpix P6000 has the larger sensor area. The Coolpix P6000 has the lighter body. The Coolpix P6000 has the higher effective resolution. The Coolpix P6000 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Coolpix P6000
Released in 2008, Coolpix P6000 has about 42 mm² of sensor area, 13.5 MP effective resolution, and a 292 g body. Use these values to narrow the field, not as an overall image-quality score.