Canon 40D has a
10.0MP APS-C (22.2 x 14.8 mm ) sized CMOS sensor . 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.
Below you can see the 40D and A380 sensor size comparison.
As seen above, Sony A380 has a 1.1x Larger sensor area than Canon 40D. 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
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. Canon 40D and Sony A380 sensors have been tested by DxO and the results show that A380 has a better overall score of 67, 3 points higher compared to 40D's score of 64.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Canon 40D |
64 |
22.1 bits |
11.3 Evs |
703 ISO |
Sony A380 |
67 |
22.6 bits |
11.8 Evs |
614 ISO |