Sony’s imaging sensor was found to produce true-to-life colors in bright conditions, while Samsung’s own sensor was found to fare better in low-light scenarios.
For the Galaxy S6 and Galaxy S6 edge, Samsung decided to opt for a mix of imaging sensors for the 16MP camera at the back, switching between its in-house ISOCELL sensor and Sony’s latest IMX240. A comparison test from SamMobile revealed that the image quality from both is near-identical.
Source: iMore
