Upgrade Guide
Sony A7 III→Sony A7R III
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Situational
One clear hardware improvement over the A7 III. Worth it if that specific upgrade aligns with what you shoot.
What's new in the A7R III
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Resolution42MP vs 24MP (+18MP)
Suitability by genre
| Genre | A7 III | A7R III | |
|---|---|---|---|
| Portrait | — | ||
| Travel | — | ||
| Street | -2.0 | ||
| Wildlife | — | ||
| Video | — | ||
| Landscape | — | ||
| Vlogging & Video | — | ||
| Wedding | — | ||
| Sports | — |
Full spec comparison
| Spec | A7 III | A7R III | |
|---|---|---|---|
| Price | £1,699 | £1,799 | |
| Released | 2018 | 2017 | ↓ |
| Sensor | 24.2MP Full-Frame Exmor R BSI CMOS | 42.4MP full-frame BSI Exmor R CMOS | |
| Resolution | 24MP | 42MP | ↑ |
| Video | 4K/30p (6K oversampled), 1080p/120p slow-motion | 4K/30p (full-frame readout), 1080p/120p | |
| Autofocus | Phase-detect, 693 points, real-time Eye AF & animal AF | 399 phase-detect + 425 contrast AF points — real-time Eye AF | |
| Stabilisation | 5-axis IBIS, 5 stops | 5-axis IBIS — 5.5 stops | |
| Burst Rate | 10fps with AF/AE tracking | 10fps with AF/AE tracking | |
| Battery Life | ~710 shots (CIPA) | ~650 shots (CIPA) | ↓ |
| Weight | 565g (body, battery, card) | 650g body only | ↓ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | EVF, 2.36M dots, 0.78× magnification | EVF, 3.69M dots, 0.78× magnification | |
| Screen | 3.0" tilting touchscreen, 921k dots | 3.0" touchscreen, tilting | |
| Mount | Sony E-mount | Sony FE mount (full-frame E-mount) | |
| Memory Cards | Dual SD (UHS-II slot 1, UHS-I slot 2) | Dual SD slots (one UHS-II) |
Compare side-by-side
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