Reasons to choose DC C840
Released in 2007, DC C840 has about 25 mm² of sensor area, 8 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 C840
vs BenQ DC E820
VS
Sensor area
25 mm²
DC C84025 mm²
DC E820- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The DC C840 and DC E820 have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
Key specification differences
DC C840MetricDC E820
8 MPEffective pixels8 MP
5.75 × 4.32Sensor5.75 × 4.32
1.76 µmPixel pitch1.76 µm
3.11 µm²Pixel area3.11 µm²
32.21 MP/cm²Pixel density32.21 MP/cm²
6.02Crop factor6.02
—Maximum video—
140 gWeight130 g
SDHC, Secure DigitalStorageSecure Digital
2x AABatteryLi-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 DC C840 and DC E820 have the same sensor area. The DC E820 has the lighter body. The DC C840 and DC E820 have the same effective resolution. The DC C840 and DC E820 were both released in 2007. Also consider the lens system and subjects you shoot.
Reasons to choose DC E820
Released in 2007, DC E820 has about 25 mm² of sensor area, 8 MP effective resolution, and a 130 g body. Use these values to narrow the field, not as an overall image-quality score.