(Photo by Jordan Matter) While the Canon 6D's chip might be a fraction smaller, the individual pixel size is larger because the 6D has slightly less resolution. The 20.2-megapixel 6D's photosites ...

The Canon 6D's buffer clearing times were quite good, but of course depend on the image quality and size, as well as the speed of the memory card. We used a fast UHS-I compliant card rated at 95MB/s.