Sony a7R IV vs Sony Alpha a9 II
Compare key differences and full specifications to find the camera that suits your photography.
Key differences
- Weight: Sony a7R IV: 665 g ; Sony Alpha a9 II: 678 g
- Sensor size: Sony a7R IV: 35.7 x 23.8 mm ; Sony Alpha a9 II: 35.6 x 23.8 mm
- Sensor resolution: Sony a7R IV: 9566 x 6377 ; Sony Alpha a9 II: 6026 x 4017
- Effective megapixels: Sony a7R IV: 61.0 ; Sony Alpha a9 II: 24.2
- Max. video mode: Sony a7R IV: 4K 30p (3840 x 2160) ; Sony Alpha a9 II: 3840x2160 (30p/25p/24p)
Best for
Larger prints and more cropping detail: Sony a7R IV (61.0).
| Specification | Sony a7R IV | Sony Alpha a9 II |
|---|---|---|
| General | ||
| Model | a7R IV | Alpha a9 II |
| Body | ||
| Weight | 665 g | 678 g |
| Sensor | ||
| Sensor size | 35.7 x 23.8 mm | 35.6 x 23.8 mm |
| Sensor resolution | 9566 x 6377 | 6026 x 4017 |
| Total megapixels | 62.5 | 28.3 |
| Effective megapixels | 61.0 | 24.2 |
| Image | ||
| Max. image resolution | 9504 x 6336 | 6000 x 4000 |
| ISO | Auto, 100-32000 (expandable to 50-102400) | Auto, 100-51200 (expandable to 50-204800) |
| Exposure & Shutter | ||
| Max. shutter speed | 1/8000 sec | 1/32000 sec |
| Autofocus & Drive | ||
| Autofocus type | Fast Hybrid AF (phase + contrast detection) | — |
| AF phase-detection points | 567 | — |
| Max burst (mechanical shutter) | 10 fps | — |
| Stabilization | ||
| In-body stabilization (IBIS) | Yes, 5-axis sensor shift | — |
| Rated stops | 5.5 stops | — |
| Video | ||
| Max. video mode | 4K 30p (3840 x 2160) | 3840x2160 (30p/25p/24p) |
| Power | ||
| CIPA rated shots (EVF) | 530 shots | — |
| CIPA rated shots (LCD) | 670 shots | — |