Reasons to choose EOS R5 Mark II
Released in 2024, EOS R5 Mark II has about 864 mm² of sensor area, 45 MP effective resolution, and a 746 g body. Use these values to narrow the field, not as an overall image-quality score.


The EOS R5 Mark II has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
The EOS R5 Mark II has the larger sensor area. The Lumix S9 has the lighter body. The EOS R5 Mark II has the higher effective resolution. The EOS R5 Mark II and Lumix S9 were both released in 2024. Also consider the lens system and subjects you shoot.
Released in 2024, EOS R5 Mark II has about 864 mm² of sensor area, 45 MP effective resolution, and a 746 g body. Use these values to narrow the field, not as an overall image-quality score.
Released in 2024, Lumix S9 has about 847 mm² of sensor area, 24.2 MP effective resolution, and a 486 g body. Use these values to narrow the field, not as an overall image-quality score.