Canon 1D X II has a
20.0MP Full frame (36 x 24 mm ) sized CMOS sensor and features Dual DIGIC 6+ processor. On the other hand, Canon 550D has a
18.0MP APS-C (22.3 x 14.9 mm ) sized CMOS sensor and features Digic 4 processor.
Below you can see the 1D X MII and 550D sensor size comparison.
As seen above, Canon 1D X II has a 2.6x Larger sensor area than Canon 550D. 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 Canon 1D X II and Canon 550D 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, 1D X MII has scored 88, 22 points higher than 550D.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Canon 1D X II |
88 |
24.1 bits |
13.5 Evs |
3207 ISO |
Canon 550D |
66 |
22.0 bits |
11.6 Evs |
807 ISO |