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 | Sony RX1R III | Sony FX5 | |
|---|---|---|---|
| Portrait | +1.0 | ||
| Street | -2.3 | ||
| Travel | +0.1 | ||
| Wedding & Events | +1.3 | ||
| Filmmaking | +3.4 | ||
| Documentary | +2.8 | ||
| Landscape | -0.6 | ||
| Casual | +0.5 | ||
| Food | +1.1 | ||
| Macro | +0.4 | ||
| Architecture | +0.1 | ||
| Astrophotography | +0.5 | ||
| Vlogging & Video | — | ||
| Sports & Action | — | ||
| Wildlife | — |
| Spec | Sony RX1R III | Sony FX5 | |
|---|---|---|---|
| Price | £3,899 | £4,699 | |
| Released | 2025 | 2026 | ↑ |
| Sensor | 61MP full-frame Exmor R BSI CMOS | 16.6MP full-frame stacked Exmor RS CMOS | |
| Resolution | 61MP | 17MP | ↓ |
| Video | 4K/30p, 10-bit | 5K/60p open-gate, 4K/120p, internal RAW/X-OCN, 10-bit Log, triple base ISO | |
| Autofocus | Hybrid phase-detect AF (693 points) with eye detection | AI-powered hybrid phase-detect AF (759 points) with subject tracking | |
| Stabilisation | No stabilisation | IBIS with Dynamic Active Mode | |
| Burst Rate | 5fps | 10fps | ↑ |
| Battery Life | 300 shots (CIPA, LCD) | ~105 min actual recording, ~170 min continuous (LCD) | ↓ |
| Weight | 496g (with battery and card) | 734g (with battery and card) | ↓ |
| Weather Sealed | Not weather sealed | Yes | ↑ |
| Viewfinder | EVF, 2.36M dots | Optional detachable EVF (DVF-EL1), OLED | |
| Screen | Tilting touchscreen | Fully articulating touchscreen (4-axis arm) | |
| Mount | Fixed 35mm f/2 Zeiss Sonnar lens | Sony E-mount | |
| Memory Cards | Single SD (UHS-II) | CFexpress Type A + SDXC (dual) |
See Sony RX1R III and Sony FX5 next to each other with our interactive comparison tool.
Tell us what you shoot and we'll score the Sony FX5 against your specific genres — not just specs.