Reasons to choose EOS 5D Mark III
Released in 2012, EOS 5D Mark III has about 864 mm² of sensor area, 22.3 MP effective resolution, and a 950 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Canon EOS 5D Mark III
vs Nikon D4s
VS
Sensor area
864 mm²
EOS 5D Mark III860 mm²
D4s- Area ratio
- 1:1
- Absolute difference
- 4 mm²
- Relative difference
- 0.4%
The EOS 5D Mark III 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 2 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
EOS 5D Mark IIIMetricD4s
22.3 MPEffective pixels16.2 MP
36 × 24Sensor36 × 23.9
6.22 µmPixel pitch7.29 µm
38.74 µm²Pixel area53.11 µm²
2.58 MP/cm²Pixel density1.88 MP/cm²
1Crop factor1
1,920 × 1,080Maximum video1,920 × 1,080
950 gWeight1,350 g
Compact Flash Type I (UDMA compatible), SD/SDHC/SDXCStorageXQD, Type I CompactFlash
Lithium-Ion LP-E6 rechargeable battery Li-ion batteryBatteryEN-EL18a 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 5D Mark III has the larger sensor area. The EOS 5D Mark III has the lighter body. The EOS 5D Mark III has the higher effective resolution. The D4s is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose D4s
Released in 2014, D4s has about 860 mm² of sensor area, 16.2 MP effective resolution, and a 1,350 g body. Use these values to narrow the field, not as an overall image-quality score.