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 | A7 III | Sony RX1R III | |
|---|---|---|---|
| Portrait | -1.7 | ||
| Street | +1.4 | ||
| Travel | -0.2 | ||
| Wedding & Events | -1.8 | ||
| Filmmaking | -1.1 | ||
| Documentary | -1.3 | ||
| Sports & Action | — | ||
| Landscape | -0.5 | ||
| Wildlife | — | ||
| Casual | -0.8 | ||
| Food | -0.3 | ||
| Macro | -1.0 | ||
| Architecture | -0.1 | ||
| Astrophotography | -1.2 |
| Spec | A7 III | Sony RX1R III | |
|---|---|---|---|
| Price | £1,699 | £3,899 | |
| Released | 2018 | 2025 | ↑ |
| Sensor | 24.2MP Full-Frame Exmor R BSI CMOS | 61MP full-frame Exmor R BSI CMOS | |
| Resolution | 24MP | 61MP | ↑ |
| Video | 4K/30p (6K oversampled), 1080p/120p slow-motion | 4K/30p, 10-bit | |
| Autofocus | Phase-detect, 693 points, real-time Eye AF & animal AF | Hybrid phase-detect AF (693 points) with eye detection | |
| Stabilisation | 5-axis IBIS, 5 stops | No stabilisation | |
| Burst Rate | 10fps with AF/AE tracking | 5fps | ↓ |
| Battery Life | ~710 shots (CIPA) | 300 shots (CIPA, LCD) | ↓ |
| Weight | 565g (body only) | 496g (with battery and card) | ↑ |
| Weather Sealed | Yes | Not weather sealed | ↓ |
| Viewfinder | EVF, 2.36M dots, 0.78× magnification | EVF, 2.36M dots | |
| Screen | 3.0" tilting touchscreen, 921k dots | Tilting touchscreen | |
| Mount | Sony E-mount | Fixed 35mm f/2 Zeiss Sonnar lens | |
| Memory Cards | Dual SD (UHS-II slot 1, UHS-I slot 2) | Single SD (UHS-II) |
See A7 III 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.