Samsung NX300 has a
20.0MP APS-C (23.5 x 15.7 mm ) sized CMOS sensor and features DRIMe IV processor. On the other hand, Sony A380 has a
14.0MP APS-C (23.6 x 15.8 mm ) sized CCD sensor and features Bionz processor.
Samsung NX300's sensor provides 6MP more than Sony A380'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 NX300 and A380 sensor size comparison.
Sensor Size and Resolution Comparison image of Samsung NX300 and Sony A380 Cameras
Samsung NX300 and Sony A380 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 Samsung NX300 and Sony A380 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, NX300 has scored 76, 9 points higher than A380.
Model
Overall
Color Depth
Dynamic Range
Low-light ISO
Samsung NX300
76
23.6 bits
12.7 Evs
942 ISO
Sony A380
67
22.6 bits
11.8 Evs
614 ISO
Sensor size sets the circle of confusion, so it drives how much depth of field each
of these bodies gives you at a given aperture. You can calculate it exactly for the
Samsung NX300
or the
Sony A380 ,
including hyperfocal distance.
