Reasons to choose EOS R6 Mark III
Released in 2025, EOS R6 Mark III has about 858.01 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.
Side-by-side comparison
Canon EOS R6 Mark III
vs Sony a7C II
VS
Sensor area
858.01 mm²
EOS R6 Mark III858.01 mm²
a7C II- Area ratio
- 1.00:1
- Absolute difference
- 0.00 mm²
- Relative difference
- 0%
The EOS R6 Mark III and a7C II 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.
Key specification differences
EOS R6 Mark IIIMetrica7C II
32.5 MP
Effective pixels
33 MP
35.9 × 23.9
Sensor
35.9 × 23.9
5.14 µm
Pixel pitch
5.10 µm
26.40 µm²
Pixel area
26.00 µm²
3.79 MP/cm²
Pixel density
3.85 MP/cm²
1.00
Crop factor
1.00
6960 × 4640 / 30p
Maximum video
3840 × 2160 / 60p
699 g
Weight
514 g
SD UHS-II / CFexpress Type B
Storage
SD UHS-II
LP-E6P Li-ion battery
Battery
NP-FZ100 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 R6 Mark III and a7C II have the same sensor area. The a7C II has the lighter body. The a7C 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 a7C II
Released in 2023, a7C II has about 858.01 mm² of sensor area, 33 MP effective resolution, and a 514 g body. Use these values to narrow the field, not as an overall image-quality score.