Reasons to choose Coolpix S6100
Released in 2011, Coolpix S6100 has about 28 mm² of sensor area, 16 MP effective resolution, and a 175 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Nikon Coolpix S6100
vs Nikon Coolpix S640
VS
Sensor area
28 mm²
Coolpix S610028 mm²
Coolpix S640- Area ratio
- 1.03:1
- Absolute difference
- 1 mm²
- Relative difference
- 2.6%
The Coolpix S6100 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
Coolpix S6100MetricCoolpix S640
16 MPEffective pixels12.2 MP
6.16 × 4.62Sensor6.08 × 4.56
1.33 µmPixel pitch1.51 µm
1.78 µm²Pixel area2.27 µm²
56.22 MP/cm²Pixel density44 MP/cm²
5.62Crop factor5.69
—Maximum video—
175 gWeight110 g
SDHC, SDXC, Secure DigitalStorageSDHC, Secure Digital
Nikon EN-EL12 Lithium-Ion battery Li-ion batteryBatteryLithium-Ion EN-EL12 rechargeable battery 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 S6100 has the larger sensor area. The Coolpix S640 has the lighter body. The Coolpix S6100 has the higher effective resolution. The Coolpix S6100 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose Coolpix S640
Released in 2009, Coolpix S640 has about 28 mm² of sensor area, 12.2 MP effective resolution, and a 110 g body. Use these values to narrow the field, not as an overall image-quality score.