Upgrade Guide
Sony A6600→Sony Sony RX1R III
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
→
Worthwhile
Clear improvements over the A6600. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the Sony RX1R III
-
Resolution61MP vs 24MP (+37MP)
-
Generation6 years newer (2025 vs 2019)
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 | A6600 | Sony RX1R III | |
|---|---|---|---|
| Portrait | -1.2 | ||
| Street | +0.3 | ||
| Travel | -1.0 | ||
| Wedding & Events | -0.6 | ||
| Vlogging & Video | — | ||
| Filmmaking | -0.7 | ||
| Documentary | -1.5 | ||
| Sports & Action | — | ||
| Landscape | -0.2 | ||
| Wildlife | — | ||
| Casual | -1.0 | ||
| Food | -0.2 | ||
| Macro | -1.0 | ||
| Architecture | +0.2 | ||
| Astrophotography | -0.3 |
Full spec comparison
| Spec | A6600 | Sony RX1R III | |
|---|---|---|---|
| Price | £1,299 | £3,899 | |
| Released | 2019 | 2025 | ↑ |
| Sensor | 24.2MP APS-C Exmor CMOS | 61MP full-frame Exmor R BSI CMOS | |
| Resolution | 24MP | 61MP | ↑ |
| Video | 4K/30p (no crop), 1080p/120p | 4K/30p, 10-bit | |
| Autofocus | Real-time Eye AF, real-time tracking — inherited from A9 | Hybrid phase-detect AF (693 points) with eye detection | |
| Stabilisation | 5-axis IBIS — 5 stops | No stabilisation | |
| Burst Rate | 11fps continuous with AF/AE | 5fps | ↓ |
| Battery Life | ~810 shots (CIPA) — large NP-FZ100 battery | 300 shots (CIPA, LCD) | ↓ |
| Weight | 503g (body only) | 496g (with battery and card) | ↑ |
| Weather Sealed | Yes | Not weather sealed | ↓ |
| Viewfinder | EVF, 2.36M dots, 0.70× magnification | EVF, 2.36M dots | |
| Screen | 3.0" touchscreen, tilting | Tilting touchscreen | |
| Mount | Sony E-mount (APS-C) | Fixed 35mm f/2 Zeiss Sonnar lens | |
| Memory Cards | Single SD UHS-I slot | Single SD (UHS-II) |
Compare side-by-side
⚖️ Compare these cameras
See A6600 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 A6600
Related buying guides
Camera family history