Both Sony A6600 and Sony A7c have 24.0 MP resolution sensors but Sony A6600's sensor is APS-C (23.5 x 15.6 mm ) and Sony A7c's sensor is Full frame (35.8 x 23.8 mm ).
Since Sony A7c's has a larger sensor area with the same resolution, this means that it also has a larger pixel area hence better light collecting capacity for a given aperture compared to Sony A6600.
Below you can see the A6600 and A7c sensor size comparison.
![Sony A6600 vs Sony A7c Sensor Size Comparison]()
Sensor Size and Resolution Comparison image of Sony A6600 and Sony A7c Cameras
As seen above, Sony A7c has a 2.3x Larger sensor area than Sony A6600. 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. Sony A6600 and Sony A7c sensors have been tested by DxO and the results show that A7c has a better overall score of 95, 13 points higher compared to A6600's score of 82.
| Model |
Overall |
Color Depth |
Dynamic Range |
Low-light ISO |
|
Sony A6600 |
82 |
23.8 bits |
13.4 Evs |
1497 ISO |
|
Sony A7c |
95 |
25.0 bits |
14.7 Evs |
3407 ISO |