Sony A330 has a
10.0MP APS-C (23.5 x 15.7 mm ) sized CCD sensor and features Bionz processor. On the other hand, Sony A33 has a
14.0MP APS-C (23.5 x 15.6 mm ) sized CMOS sensor and features Bionz processor.
Below you can see the A330 and A33 sensor size comparison.
Sony A330 and Sony A33 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. Sony A330 and Sony A33 sensors have been tested by DxO and the results show that A33 has a better overall score of 70, 6 points higher compared to A330's score of 64.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony A330 |
64 |
22.4 bits |
11.5 Evs |
535 ISO |
Sony A33 |
70 |
22.8 bits |
12.6 Evs |
591 ISO |