Upgrade Guide
Sony A7R→Sony A6400
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the A7R. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the A6400
-
StabilisationIBIS added — significant for handheld and video
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Burst rate11fps mechanical, 8fps with AF tracking vs 4fps
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Battery life~410 shots (CIPA) vs ~340 shots (CIPA)
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Generation6 years newer (2019 vs 2013)
Unchanged or similar
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Resolution24MP (down from 36MP — optimised for low light)
Suitability by genre
| Genre | A7R | A6400 | |
|---|---|---|---|
| Landscape | — | ||
| Portrait | +2.0 | ||
| Architecture | — | ||
| Travel | +3.0 | ||
| Sports & Action | — | ||
| Vlogging & Video | — | ||
| Video | — | ||
| Street | — | ||
| Wildlife | — |
Full spec comparison
| Spec | A7R | A6400 | |
|---|---|---|---|
| Price | £349 | £899 | |
| Released | 2013 | 2019 | ↑ |
| Sensor | 36.4MP Full-Frame CMOS (no OLPF) | 24.2MP APS-C Exmor CMOS BSI | |
| Resolution | 36MP | 24MP | ↓ |
| Video | 1080p/60p | 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion | |
| Autofocus | Contrast-detect AF only (no phase-detect on sensor) | Phase-detect, 425 points, real-time Eye AF & animal AF | |
| Stabilisation | None | None (no IBIS) | |
| Burst Rate | 4fps | 11fps mechanical, 8fps with AF tracking | ↑ |
| Battery Life | ~340 shots (CIPA) | ~410 shots (CIPA) | ↑ |
| Weight | 465g (with battery and card) | 403g (body, battery, card) | ↑ |
| Weather Sealed | No | No | |
| Viewfinder | EVF, OLED 2.36M dots, 0.71× magnification | EVF, 2.36M dots, 0.70× magnification | |
| Screen | 3.0" fixed LCD, 1.23M dots (no tilt, no touch) | 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots | |
| Mount | Sony FE (full-frame E-mount) | Sony E-mount | |
| Memory Cards | Single SD UHS-I slot | Single SD UHS-I |
Compare side-by-side
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