Reasons to choose Alpha 7R II
Released in 2015, Alpha 7R II has about 862 mm² of sensor area, 42.4 MP effective resolution, and a 625 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Sony Alpha 7R II
vs Sony Alpha 7S II
VS
Sensor area
862 mm²
Alpha 7R II847 mm²
Alpha 7S II- Area ratio
- 1.02:1
- Absolute difference
- 14 mm²
- Relative difference
- 1.7%
The Alpha 7R II 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
Alpha 7R IIMetricAlpha 7S II
42.4 MPEffective pixels12.2 MP
35.9 × 24Sensor35.6 × 23.8
4.51 µmPixel pitch8.33 µm
20.32 µm²Pixel area69.45 µm²
4.92 MP/cm²Pixel density1.44 MP/cm²
1Crop factor1.01
3,840 × 2,160Maximum video3,840 × 2,160
625 gWeight627 g
SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG DuoStorageSD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Rechargeable battery NP-FW50BatteryRechargeable 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 Alpha 7R II has the larger sensor area. The Alpha 7R II has the lighter body. The Alpha 7R II has the higher effective resolution. The Alpha 7R II and Alpha 7S II were both released in 2015. Also consider the lens system and subjects you shoot.
Reasons to choose Alpha 7S II
Released in 2015, Alpha 7S II has about 847 mm² of sensor area, 12.2 MP effective resolution, and a 627 g body. Use these values to narrow the field, not as an overall image-quality score.