Both Sony A380 and Sony A390 have APS-C sized 14.0 MP resolution sensors so sensor size and resolution is not a differentiator between these two cameras.
Below you can see the A380 and A390 sensor size comparison.
Sony A380 and Sony A390 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 A380 and Sony A390 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, A380 has scored 67, 1 points higher than A390.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony A380 |
67 |
22.6 bits |
11.8 Evs |
614 ISO |
Sony A390 |
66 |
22.5 bits |
11.5 Evs |
607 ISO |