Reasons to choose Coolpix A900
Released in 2016, Coolpix A900 has about 28 mm² of sensor area, 20 MP effective resolution, and a 298 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Nikon Coolpix A900
vs Nikon Coolpix W100
VS
Sensor area
28 mm²
Coolpix A90017 mm²
Coolpix W100- Area ratio
- 1.65:1
- Absolute difference
- 11 mm²
- Relative difference
- 64.7%
The Coolpix A900 has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
Key specification differences
Coolpix A900MetricCoolpix W100
20 MPEffective pixels13.2 MP
6.16 × 4.62Sensor4.8 × 3.6
1.19 µmPixel pitch1.14 µm
1.42 µm²Pixel area1.31 µm²
70.28 MP/cm²Pixel density76.39 MP/cm²
5.62Crop factor7.21
3,840 × 2,160Maximum video✓
298 gWeight177 g
SD/SDHC/SDXCStorageSD/SDHC/SDXC
EN-EL12 lithium-ion battery Li-ion batteryBatteryEN-EL19 lithium-ion batter 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 A900 has the larger sensor area. The Coolpix W100 has the lighter body. The Coolpix A900 has the higher effective resolution. The Coolpix A900 and Coolpix W100 were both released in 2016. Also consider the lens system and subjects you shoot.
Reasons to choose Coolpix W100
Released in 2016, Coolpix W100 has about 17 mm² of sensor area, 13.2 MP effective resolution, and a 177 g body. Use these values to narrow the field, not as an overall image-quality score.