Is it worth upgrading? Spec analysis, key improvements, and our verdict.
Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.
| Genre | A7S | Sony RX1R III | |
|---|---|---|---|
| Portrait | +0.6 | ||
| Street | +1.9 | ||
| Travel | +0.3 | ||
| Wedding & Events | +1.4 | ||
| Filmmaking | -0.6 | ||
| Documentary | -0.1 | ||
| Sports & Action | — | ||
| Landscape | +0.7 | ||
| Wildlife | — | ||
| Casual | +1.0 | ||
| Food | +1.4 | ||
| Macro | +0.5 | ||
| Architecture | +1.3 | ||
| Astrophotography | +0.2 |
| Spec | A7S | Sony RX1R III | |
|---|---|---|---|
| Price | £600 | £3,899 | |
| Released | 2014 | 2025 | ↑ |
| Sensor | 12.2MP Full-Frame BSI CMOS | 61MP full-frame Exmor R BSI CMOS | |
| Resolution | 12MP | 61MP | ↑ |
| Video | 1080p/60p internal, 4K via HDMI (external recorder) | 4K/30p, 10-bit | |
| Autofocus | Contrast-detect AF, 25 points | Hybrid phase-detect AF (693 points) with eye detection | |
| Stabilisation | No stabilisation | No stabilisation | |
| Burst Rate | 5fps | 5fps | |
| Battery Life | ~370 shots (CIPA) | 300 shots (CIPA, LCD) | ↓ |
| Weight | 474g (with battery and card) | 496g (with battery and card) | ↓ |
| Weather Sealed | Yes | Not weather sealed | ↓ |
| Viewfinder | Electronic, 2.36M dots, 0.71× magnification | EVF, 2.36M dots | |
| Screen | 3.0" tilting LCD, 1.23M dots | Tilting touchscreen | |
| Mount | Sony FE (full-frame E-mount) | Fixed 35mm f/2 Zeiss Sonnar lens | |
| Memory Cards | Single SD / MemoryStick PRO Duo slot | Single SD (UHS-II) |
See A7S and Sony RX1R III next to each other with our interactive comparison tool.
Tell us what you shoot and we'll score the Sony RX1R III against your specific genres — not just specs.