Reasons to choose EOS R
Released in 2018, EOS R has about 864 mm² of sensor area, 30.3 MP effective resolution, and a 660 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon EOS R
vs Nikon Z7
VS
Sensor area
864 mm²
EOS R858 mm²
Z7- Area ratio
- 1.01:1
- Absolute difference
- 6 mm²
- Relative difference
- 0.7%
The EOS R has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
Key specification differences
EOS RMetricZ7
30.3 MPEffective pixels45.7 MP
36 × 24Sensor35.9 × 23.9
5.34 µmPixel pitch4.33 µm
28.51 µm²Pixel area18.77 µm²
3.51 MP/cm²Pixel density5.33 MP/cm²
1Crop factor1
3,840 × 2,160Maximum video3,840 × 2,160
660 gWeight585 g
SD/SDHC/SDXCStorageXQD
LP-E6N lithium-ion battery Li-ion batteryBatteryEN-EL15b rechargeable Li-ion battery 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 R has the larger sensor area. The Z7 has the lighter body. The Z7 has the higher effective resolution. The EOS R and Z7 were both released in 2018. Also consider the lens system and subjects you shoot.
Reasons to choose Z7
Released in 2018, Z7 has about 858 mm² of sensor area, 45.7 MP effective resolution, and a 585 g body. Use these values to narrow the field, not as an overall image-quality score.