Reasons to choose M9
Released in 2009, M9 has about 856 mm² of sensor area, 18 MP effective resolution, and a 585 g body. Use these values to narrow the field, not as an overall image-quality score.


The M9 and M9-P have the same sensor area. Compare pixel density, sensor architecture, and release generation to understand likely image-quality differences.
These cameras were released 2 years apart. Consider sensor generation when comparing pixel metrics.
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
The M9 and M9-P have the same sensor area. The M9 has the lighter body. The M9 and M9-P have the same effective resolution. The M9-P is the newer release. Also consider the lens system and subjects you shoot.
Released in 2009, M9 has about 856 mm² of sensor area, 18 MP effective resolution, and a 585 g body. Use these values to narrow the field, not as an overall image-quality score.
Released in 2011, M9-P has about 856 mm² of sensor area, 18 MP effective resolution, and a 600 g body. Use these values to narrow the field, not as an overall image-quality score.