Sony A99 has a
24.0MP Full frame (35.8 x 23.8 mm ) sized CMOS sensor and features Bionz processor. On the other hand, Canon G9 X II has a
20.0MP 1″ (13.2 x 8.8 mm ) sized BSI-CMOS sensor and features DIGIC 7 processor.
Below you can see the A99 and G9 X II sensor size comparison.
As seen above, Sony A99 has a 7.3x Larger sensor area than Canon G9 X II. 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 A99 and Canon G9 X II 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, A99 has scored 89, 24 points higher than G9 X II.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Sony A99 |
89 |
25.0 bits |
14.0 Evs |
1555 ISO |
Canon G9 X II |
65 |
21.9 bits |
12.5 Evs |
522 ISO |