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 Panasonic Lumix DMC-LX2
VS
Sensor area
42 mm²
DC C64045 mm²
Lumix DMC-LX2- Area ratio
- 1.06:1
- Absolute difference
- 3 mm²
- Relative difference
- 6.2%
The Lumix DMC-LX2 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
DC C640MetricLumix DMC-LX2
6 MPEffective pixels10 MP
7.53 × 5.64Sensor7.76 × 5.81
2.66 µmPixel pitch2.12 µm
7.08 µm²Pixel area4.51 µm²
14.13 MP/cm²Pixel density22.18 MP/cm²
4.6Crop factor4.46
—Maximum video—
140 gWeight220 g
Secure DigitalStorageInternal storage
2x AABatteryLithium-Ion rechargeable 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 Lumix DMC-LX2 has the larger sensor area. The DC C640 has the lighter body. The Lumix DMC-LX2 has the higher effective resolution. The DC C640 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Lumix DMC-LX2
Released in 2006, Lumix DMC-LX2 has about 45 mm² of sensor area, 10 MP effective resolution, and a 220 g body. Use these values to narrow the field, not as an overall image-quality score.