The pixel density doesn't generally refer to the density of the Bayer pattern, which can be even denser. Generally a cluster of four Bayer pixels makes up one

The pixel density doesn't generally refer to the density of the Bayer pattern, which can be even denser. Generally a cluster of four Bayer pixels makes up one pixel (RG/GB), but like most things in computing, the cognitive complexity is borderline fractal and this is a massive simplification.