Reasons to choose D300s
Released in 2009, D300s has about 373 mm² of sensor area, 12.3 MP effective resolution, and a 938 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Nikon D300s
vs Nikon D40x
VS
Sensor area
373 mm²
D300s373 mm²
D40x- Area ratio
- 1:1
- Absolute difference
- 0 mm²
- Relative difference
- 0%
The D300s and D40x have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
These cameras were released 2 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
D300sMetricD40x
12.3 MPEffective pixels10.2 MP
23.6 × 15.8Sensor23.6 × 15.8
5.51 µmPixel pitch6.05 µm
30.32 µm²Pixel area36.56 µm²
3.3 MP/cm²Pixel density2.74 MP/cm²
1.52Crop factor1.52
—Maximum video—
938 gWeight522 g
CompactFlash type I, CompactFlash type II, Microdrive, SDHC Secure DigitalStorageSDHC, Secure Digital
Lithium-Ion EN-EL3e rechargeable battery Li-ion batteryBatteryNikon EN-EL9 Lithium-Ion included 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 D300s and D40x have the same sensor area. The D40x has the lighter body. The D300s has the higher effective resolution. The D300s is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose D40x
Released in 2007, D40x has about 373 mm² of sensor area, 10.2 MP effective resolution, and a 522 g body. Use these values to narrow the field, not as an overall image-quality score.