Nikon D4 has a
16.0MP Full frame (36 x 23.9 mm ) sized CMOS sensor and features Expeed 3 processor. On the other hand, Nikon D70s has a
6.0MP APS-C (23.7 x 15.5 mm ) sized CCD sensor .
Nikon D4's sensor provides 10MP more than Nikon D70s's sensor, which gives a significant advantage in real life. You can print your images larger or crop more freely.
On the other hand, please keep in mind that Max sensor resolution is not the only determinant of resolving power. Factors such as the optical elements, low pass filter, pixel size and sensor technology also affects the final resolution of the captured image.
Below you can see the D4 and D70s sensor size comparison.
As seen above, Nikon D4 has a 2.3x Larger sensor area than Nikon D70s. Larger sensors give photographer more control on the depth of field and blurry background compared to smaller sensor when shot in same focal length and aperture.
DxOMark Sensor Scores
Both Nikon D4 and Nikon D70s sensors have been tested by DxoMark. DxoMark scores camera sensors for color depth (DXO Portrait), dynamic range (DXO Landscape) and low-light sensitivity (DXO Sports), and also gives them an overall score. Of the two cameras that we are comparing, D4 has scored 89, 39 points higher than D70s.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Nikon D4 |
89 |
24.7 bits |
13.1 Evs |
2965 ISO |
Nikon D70s |
50 |
20.4 bits |
10.3 Evs |
529 ISO |