Reasons to choose Z6
Released in 2018, Z6 has about 858 mm² of sensor area, 24.5 MP effective resolution, and a 585 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Nikon Z6
vs Sony Alpha A7 III
VS
Sensor area
858 mm²
Z6847 mm²
Alpha A7 III- Area ratio
- 1.01:1
- Absolute difference
- 11 mm²
- Relative difference
- 1.3%
The Z6 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
Z6MetricAlpha A7 III
24.5 MPEffective pixels24.2 MP
35.9 × 23.9Sensor35.6 × 23.8
5.92 µmPixel pitch5.92 µm
35.02 µm²Pixel area35.01 µm²
2.86 MP/cm²Pixel density2.86 MP/cm²
1Crop factor1.01
3,840 × 2,160Maximum video3,840 × 2,160
585 gWeight650 g
XQDStorageSD/SDHC/SDXC, MS Duo/Pro Duo/Pro-HG Duo
EN-EL15b rechargeable Li-ion battery Li-ion batteryBatteryNP-FZ100 lithium-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 Z6 has the larger sensor area. The Z6 has the lighter body. The Z6 has the higher effective resolution. The Z6 and Alpha A7 III were both released in 2018. Also consider the lens system and subjects you shoot.
Reasons to choose Alpha A7 III
Released in 2018, Alpha A7 III has about 847 mm² of sensor area, 24.2 MP effective resolution, and a 650 g body. Use these values to narrow the field, not as an overall image-quality score.