Reasons to choose FX2
Released in 2025, FX2 has about 858 mm² of sensor area, 33 MP effective resolution, and a 679 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Sony FX2
vs Sony RX1R III
VS
Sensor area
858 mm²
FX2850 mm²
RX1R III- Area ratio
- 1.01:1
- Absolute difference
- 8 mm²
- Relative difference
- 1%
The FX2 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
FX2MetricRX1R III
33 MPEffective pixels61 MP
35.9 × 23.9Sensor35.7 × 23.8
5.1 µmPixel pitch3.73 µm
26 µm²Pixel area13.93 µm²
3.85 MP/cm²Pixel density7.18 MP/cm²
1Crop factor1.01
4,096 × 2,160Maximum video3,840 × 2,160
679 gWeight498 g
SD/SDHC/SDXC (UHS-II), CFexpress Type AStorageSD/SDHC/SDXC (UHS-II)
Rechargeable battery pack NP-FZ100BatteryRechargeable battery pack NP-FW50
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 FX2 has the larger sensor area. The RX1R III has the lighter body. The RX1R III has the higher effective resolution. The FX2 and RX1R III were both released in 2025. Also consider the lens system and subjects you shoot.
Reasons to choose RX1R III
Released in 2025, RX1R III has about 850 mm² of sensor area, 61 MP effective resolution, and a 498 g body. Use these values to narrow the field, not as an overall image-quality score.