Upgrade Guide
Sony Sony FX2→Sony Sony RX1R III
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Situational
One clear hardware improvement over the Sony FX2. Worth it if that specific upgrade aligns with what you shoot.
What's new in the Sony RX1R III
-
Resolution61MP vs 33MP (+28MP)
Unchanged or similar
-
Weather sealingNot present in new body
Suitability by genre
Base scores — computed from verified specs for an enthusiast shooting photo and video. The Upgrade Checker adjusts them for your skill level.
| Genre | Sony FX2 | Sony RX1R III | |
|---|---|---|---|
| Portrait | -1.1 | ||
| Street | +2.3 | ||
| Travel | -0.3 | ||
| Wedding & Events | -1.1 | ||
| Vlogging & Video | — | ||
| Filmmaking | -2.7 | ||
| Documentary | -2.2 | ||
| Sports & Action | — | ||
| Landscape | — | ||
| Wildlife | — | ||
| Casual | -0.5 | ||
| Food | -1.2 | ||
| Macro | -0.6 | ||
| Architecture | -0.8 | ||
| Astrophotography | -0.1 |
Full spec comparison
| Spec | Sony FX2 | Sony RX1R III | |
|---|---|---|---|
| Price | £2,499 | £3,899 | |
| Released | 2025 | 2025 | |
| Sensor | 33MP full-frame Exmor R CMOS | 61MP full-frame Exmor R BSI CMOS | |
| Resolution | 33MP | 61MP | ↑ |
| Video | 7K-oversampled 4K/30p full-frame, 4K/60p (Super 35 crop), 10-bit, dual base ISO Log, external 16-bit RAW via HDMI | 4K/30p, 10-bit | |
| Autofocus | Hybrid phase-detect AF with subject tracking and auto-framing | Hybrid phase-detect AF (693 points) with eye detection | |
| Stabilisation | Dynamic Active IBIS | No stabilisation | |
| Burst Rate | 10fps | 5fps | ↓ |
| Battery Life | 600 shots (CIPA); ~100 min continuous video | 300 shots (CIPA, LCD) | ↓ |
| Weight | 679g (body only) | 496g (with battery and card) | ↑ |
| Weather Sealed | Yes | Not weather sealed | ↓ |
| Viewfinder | Optional clip-on EVF, 3.68M dots | EVF, 2.36M dots | |
| Screen | Fully articulating touchscreen | Tilting touchscreen | |
| Mount | Sony E-mount | Fixed 35mm f/2 Zeiss Sonnar lens | |
| Memory Cards | Slot 1 CFexpress Type A / SD UHS-II, slot 2 SD UHS-II | Single SD (UHS-II) |
Compare side-by-side
⚖️ Compare these cameras
See Sony FX2 and Sony RX1R III next to each other with our interactive comparison tool.
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Tell us what you shoot and we'll score the Sony RX1R III against your specific genres — not just specs.
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