Sony A57 has a
16.0MP APS-C (23.5 x 15.6 mm ) sized CMOS sensor . On the other hand, Samsung NX200 has a
20.0MP APS-C (23.5 x 15.7 mm ) sized CMOS sensor .
Below you can see the A57 and NX200 sensor size comparison.
Sony A57 and Samsung NX200 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
Both Sony A57 and Samsung NX200 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, A57 has scored 75, 6 points higher than NX200.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony A57 |
75 |
23.4 bits |
13.0 Evs |
785 ISO |
Samsung NX200 |
69 |
22.6 bits |
12.6 Evs |
618 ISO |