Upgrade Guide
Sony A7 III→Sony A7R IV
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the A7 III. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the A7R IV
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Resolution61MP vs 24MP (+37MP)
-
Generation1 year newer (2019 vs 2018)
Suitability by genre
| Genre | A7 III | A7R IV | |
|---|---|---|---|
| Portrait | — | ||
| Travel | -1.0 | ||
| Street | -2.0 | ||
| Wildlife | — | ||
| Video | — | ||
| Landscape | — | ||
| Architecture | — | ||
| Wedding & Events | — | ||
| Vlogging & Video | — |
Full spec comparison
| Spec | A7 III | A7R IV | |
|---|---|---|---|
| Price | £1,699 | £2,199 | |
| Released | 2018 | 2019 | ↑ |
| Sensor | 24.2MP Full-Frame Exmor R BSI CMOS | Full-frame BSI Exmor R CMOS 35mm | |
| Resolution | 24MP | 61MP | ↑ |
| Video | 4K/30p (6K oversampled), 1080p/120p slow-motion | 4K 30fps | |
| Autofocus | Phase-detect, 693 points, real-time Eye AF & animal AF | 567-point phase-detect, real-time tracking | |
| Stabilisation | 5-axis IBIS, 5 stops | 5-axis IBIS, 5.5 stops | |
| Burst Rate | 10fps with AF/AE tracking | 10fps | |
| Battery Life | ~710 shots (CIPA) | 670 shots (CIPA) | ↓ |
| Weight | 565g (body, battery, card) | 665g (body only) | ↓ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | EVF, 2.36M dots, 0.78× magnification | EVF 0.78× 5.76M-dot | |
| Screen | 3.0" tilting touchscreen, 921k dots | 3.0" tilting touchscreen, 1.44M-dot | |
| Mount | Sony E-mount | Sony E-Mount | |
| Memory Cards | Dual SD (UHS-II slot 1, UHS-I slot 2) | 2× SD UHS-II / CFexpress Type A |
Compare side-by-side
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