Both Sony RX10 II and Samsung NX1000 have 20.0 MP resolution sensors but Sony RX10 II's sensor is 1″ (13.2 x 8.8 mm ) and Samsung NX1000's sensor is APS-C (23.5 x 15.7 mm ).
Since Samsung NX1000's has a larger sensor area with the same resolution, this means that it also has a larger pixel area hence better light collecting capacity for a given aperture compared to Sony RX10 II.
Below you can see the RX10 II and NX1000 sensor size comparison.
As seen above, Samsung NX1000 has a 3.2x Larger sensor area than Sony RX10 II. 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
DxOMark is a benchmark that scientifically assesses image quality of camera sensors. It 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. Sony RX10 II and Samsung NX1000 sensors have been tested by DxO and the results show that NX1000 has a better overall score of 72, 2 points higher compared to RX10 II's score of 70.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony RX10 II |
70 |
23.0 bits |
12.6 Evs |
531 ISO |
Samsung NX1000 |
72 |
22.8 bits |
12.4 Evs |
840 ISO |