Reasons to choose M10 (Typ 3656)
Released in 2017, M10 (Typ 3656) has about 864 mm² of sensor area, 24 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
Leica M10 (Typ 3656)
vs Sony Alpha a7R III
VS
Sensor area
864 mm²
M10 (Typ 3656)862 mm²
Alpha a7R III- Area ratio
- 1:1
- Absolute difference
- 2 mm²
- Relative difference
- 0.3%
The M10 (Typ 3656) 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
M10 (Typ 3656)MetricAlpha a7R III
24 MPEffective pixels42.4 MP
36 × 24Sensor35.9 × 24
6 µmPixel pitch4.51 µm
36 µm²Pixel area20.32 µm²
2.78 MP/cm²Pixel density4.92 MP/cm²
1Crop factor1
—Maximum video3,840 × 2,160
660 gWeight657 g
SD/SDHC/SDXCStorageSD/SDHC/SDXC/MS PRO Duo
Lithium-ion rechargeable 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 M10 (Typ 3656) has the larger sensor area. The Alpha a7R III has the lighter body. The Alpha a7R III has the higher effective resolution. The M10 (Typ 3656) and Alpha a7R III were both released in 2017. Also consider the lens system and subjects you shoot.
Reasons to choose Alpha a7R III
Released in 2017, Alpha a7R III has about 862 mm² of sensor area, 42.4 MP effective resolution, and a 657 g body. Use these values to narrow the field, not as an overall image-quality score.