Sony A7 II has a
24.0MP Full frame (35.8 x 23.9 mm ) sized CMOS sensor and features Bionz X processor. On the other hand, Samsung NX300 has a
20.0MP APS-C (23.5 x 15.7 mm ) sized CMOS sensor and features DRIMe IV processor.
Below you can see the A7 II and NX300 sensor size comparison.
As seen above, Sony A7 II has a 2.3x Larger sensor area than Samsung NX300. 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 A7 II and Samsung NX300 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, A7 II has scored 90, 14 points higher than NX300.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony A7 II |
90 |
24.9 bits |
13.6 Evs |
2449 ISO |
Samsung NX300 |
76 |
23.6 bits |
12.7 Evs |
942 ISO |