Sony RX100 has a
20.0MP 1-inch (13.2 x 8.8 mm ) sized CMOS sensor . On the other hand, Nikon P330 has a
12.0MP 1/1.7-inch (7.44 x 5.58 mm ) sized BSI-CMOS sensor .
Sony RX100's sensor provides 8MP more than Nikon P330'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 RX100 and P330 sensor size comparison.
As seen above, Sony RX100 has a 2.8x Larger sensor area than Nikon P330. 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 Sony RX100 and Nikon P330 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, RX100 has scored 66, 12 points higher than P330.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony RX100 |
66 |
22.6 bits |
12.4 Evs |
390 ISO |
Nikon P330 |
54 |
21.0 bits |
11.7 Evs |
213 ISO |