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.
Side-by-side comparison
Canon EOS R5 Mark II
vs Canon EOS R6 Mark III
VS
Sensor area
864 mm²
EOS R5 Mark II858 mm²
EOS R6 Mark III- Area ratio
- 1.01:1
- Absolute difference
- 6 mm²
- Relative difference
- 0.7%
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.
These cameras were released 1 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
EOS R5 Mark IIMetricEOS R6 Mark III
45 MPEffective pixels32.5 MP
36 × 24Sensor35.9 × 23.9
4.38 µmPixel pitch5.14 µm
19.2 µm²Pixel area26.4 µm²
5.21 MP/cm²Pixel density3.79 MP/cm²
1Crop factor1
8,192 × 4,320Maximum video6,960 × 4,640 / 30p
746 gWeight699 g
SD/SDHC/SDXC, CFexpress Type BStorageSD UHS-II / CFexpress Type B
LP-E6P lithium-ion battery Li-ion batteryBatteryLP-E6P Li-ion battery
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
How to choose between these cameras
The EOS R5 Mark II has the larger sensor area. The EOS R6 Mark III has the lighter body. The EOS R5 Mark II has the higher effective resolution. The EOS R6 Mark III is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose EOS R6 Mark III
Released in 2025, EOS R6 Mark III has about 858 mm² of sensor area, 32.5 MP effective resolution, and a 699 g body. Use these values to narrow the field, not as an overall image-quality score.