Reasons to choose DC C640
Released in 2008, DC C640 has about 42 mm² of sensor area, 6 MP effective resolution, and a 140 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
BenQ DC C640
vs Fujifilm FinePix F31fd
VS
Sensor area
42 mm²
DC C64042 mm²
FinePix F31fd- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The DC C640 and FinePix F31fd 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
DC C640MetricFinePix F31fd
6 MPEffective pixels6.1 MP
7.53 × 5.64Sensor7.53 × 5.64
2.66 µmPixel pitch2.64 µm
7.08 µm²Pixel area6.96 µm²
14.13 MP/cm²Pixel density14.36 MP/cm²
4.6Crop factor4.6
—Maximum video—
140 gWeight155 g
Secure DigitalStoragexD Picture card
2x AABatteryLithium-Ion (NP-95) 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 DC C640 and FinePix F31fd have the same sensor area. The DC C640 has the lighter body. The FinePix F31fd has the higher effective resolution. The DC C640 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose FinePix F31fd
Released in 2006, FinePix F31fd has about 42 mm² of sensor area, 6.1 MP effective resolution, and a 155 g body. Use these values to narrow the field, not as an overall image-quality score.