Samsung NX30 has a
20.0MP APS-C (23.5 x 15.7 mm ) sized CMOS sensor and features DRIMeIV processor. On the other hand, Sony A77 has a
24.0MP APS-C (23.5 x 15.6 mm ) sized CMOS sensor and features Bionz processor.
Below you can see the NX30 and A77 sensor size comparison.
Samsung NX30 and Sony A77 have almost the same sensor size, so neither of them has any significant advantage over the other in terms of providing control over depth of field when used with the 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. Samsung NX30 and Sony A77 sensors have been tested by DxO and the results show that A77 has a better overall score of 78, 1 points higher compared to NX30's score of 77.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Samsung NX30 |
77 |
23.5 bits |
12.4 Evs |
1014 ISO |
Sony A77 |
78 |
24.0 bits |
13.2 Evs |
801 ISO |