Upgrade Guide
Sony A7R IV→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 A7R IV. Worth it if that specific upgrade aligns with what you shoot.
What's new in the Sony RX1R III
-
Generation6 years newer (2025 vs 2019)
Unchanged or similar
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ResolutionSimilar (61MP)
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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 | A7R IV | Sony RX1R III | |
|---|---|---|---|
| Portrait | -2.2 | ||
| Street | +1.4 | ||
| Travel | -0.3 | ||
| Wedding & Events | -2.1 | ||
| Filmmaking | -1.1 | ||
| Documentary | -1.4 | ||
| Sports & Action | — | ||
| Landscape | -2.2 | ||
| Wildlife | — | ||
| Casual | -0.2 | ||
| Food | -1.1 | ||
| Macro | -1.7 | ||
| Architecture | -2.1 | ||
| Astrophotography | -0.7 |
Full spec comparison
| Spec | A7R IV | Sony RX1R III | |
|---|---|---|---|
| Price | £2,199 | £3,899 | |
| Released | 2019 | 2025 | ↑ |
| Sensor | Full-frame BSI Exmor R CMOS 35mm | 61MP full-frame Exmor R BSI CMOS | |
| Resolution | 61MP | 61MP | |
| Video | 4K 30fps | 4K/30p, 10-bit | |
| Autofocus | 567-point phase-detect, real-time tracking | Hybrid phase-detect AF (693 points) with eye detection | |
| Stabilisation | 5-axis IBIS, 5.5 stops | No stabilisation | |
| Burst Rate | 10fps | 5fps | ↓ |
| Battery Life | 670 shots (CIPA) | 300 shots (CIPA, LCD) | ↓ |
| Weight | 665g (body only) | 496g (with battery and card) | ↑ |
| Weather Sealed | Yes | Not weather sealed | ↓ |
| Viewfinder | EVF 0.78× 5.76M-dot | EVF, 2.36M dots | |
| Screen | 3.0" tilting touchscreen, 1.44M-dot | Tilting touchscreen | |
| Mount | Sony E-Mount | Fixed 35mm f/2 Zeiss Sonnar lens | |
| Memory Cards | Dual SD UHS-II slots | Single SD (UHS-II) |
Compare side-by-side
⚖️ Compare these cameras
See A7R IV and Sony RX1R III next to each other with our interactive comparison tool.
Get a personalised upgrade score
Run the upgrade checker →
Tell us what you shoot and we'll score the Sony RX1R III against your specific genres — not just specs.
Other upgrades from the A7R IV
Camera family history