A solid-state imaging device comprising a plurality of pixels arrayed on a plane, wherein each of the pixels includes a semiconductor substrate and a plurality of photoelectric conversion devices, the plurality of photoelectric conversion devices include at least one on-substrate photoelectric conversion device stacked in an upper portion of the semiconductor substrate and at least one in-substrate photoelectric conversion device provided within the semiconductor substrate in a lower portion of the on-substrate photoelectric conversion device, and the plurality of photoelectric conversion devices have a different photoelectric conversion sensitivity from each other.