Reasons to choose A830
Released in 2007, A830 has about 25 mm² of sensor area, 8.3 MP effective resolution, and a 120 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
GE A830
vs GE E840S
VS
Sensor area
25 mm²
A83025 mm²
E840S- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The A830 and E840S have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
These cameras were released 1 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
A830MetricE840S
8.3 MPEffective pixels8.35 MP
5.75 × 4.32Sensor5.75 × 4.32
1.73 µmPixel pitch1.72 µm
2.99 µm²Pixel area2.97 µm²
33.41 MP/cm²Pixel density33.62 MP/cm²
6.02Crop factor6.02
—Maximum video—
120 gWeight95 g
SDHC, Secure DigitalStorageSDHC, Secure 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 A830 and E840S have the same sensor area. The E840S has the lighter body. The E840S has the higher effective resolution. The E840S is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose E840S
Released in 2008, E840S has about 25 mm² of sensor area, 8.35 MP effective resolution, and a 95 g body. Use these values to narrow the field, not as an overall image-quality score.