Canon 6D has a
20.0MP Full frame (36 x 24 mm ) sized CMOS sensor and features Digic 5+ processor. On the other hand, Canon 5D MIII has a
22.0MP Full frame (36 x 24 mm ) sized CMOS sensor and features Digic 5+ processor.
Below you can see the 6D and 5D MIII sensor size comparison.
Canon 6D and Canon 5D MIII have the same sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture. On the other hand, since Canon 6D has 10% larger pixel area compared to Canon 5D MIII, it has potential to collect more light on pixel level hence have less noise in low light / High ISO images.
DxOMark Sensor Scores
Both Canon 6D and Canon 5D MIII 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, 6D has scored 82, 1 points higher than 5D MIII.
Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
Canon 6D |
82 |
23.8 bits |
12.1 Evs |
2340 ISO |
Canon 5D MIII |
81 |
24.0 bits |
11.7 Evs |
2293 ISO |