Upgrade Guide
Sony A6400→Sony Sony FX2
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Worthwhile
Clear improvements over the A6400. Whether it justifies the cost depends on which upgrades matter most to your shooting.
What's new in the Sony FX2
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Resolution33MP vs 24MP (+9MP)
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Battery life600 shots (CIPA); ~100 min continuous video vs ~410 shots (CIPA)
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Generation6 years newer (2025 vs 2019)
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 | A6400 | Sony FX2 | |
|---|---|---|---|
| Portrait | +0.3 | ||
| Street | -2.0 | ||
| Travel | -0.5 | ||
| Wedding & Events | +1.2 | ||
| Vlogging & Video | — | ||
| Filmmaking | +2.9 | ||
| Documentary | +1.6 | ||
| Sports & Action | -0.5 | ||
| Landscape | +0.1 | ||
| Wildlife | -0.8 | ||
| Casual | -0.7 | ||
| Food | +1.4 | ||
| Macro | +0.2 | ||
| Architecture | +1.3 | ||
| Astrophotography | +0.3 |
Full spec comparison
| Spec | A6400 | Sony FX2 | |
|---|---|---|---|
| Price | £899 | £2,499 | |
| Released | 2019 | 2025 | ↑ |
| Sensor | 24.2MP APS-C Exmor CMOS BSI | 33MP full-frame Exmor R CMOS | |
| Resolution | 24MP | 33MP | ↑ |
| Video | 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion | 7K-oversampled 4K/30p full-frame, 4K/60p (Super 35 crop), 10-bit, dual base ISO Log, external 16-bit RAW via HDMI | |
| Autofocus | Phase-detect, 425 points, real-time Eye AF & animal AF | Hybrid phase-detect AF with subject tracking and auto-framing | |
| Stabilisation | No stabilisation | Dynamic Active IBIS | |
| Burst Rate | 11fps mechanical, 8fps with AF tracking | 10fps | ↓ |
| Battery Life | ~410 shots (CIPA) | 600 shots (CIPA); ~100 min continuous video | ↑ |
| Weight | 403g (with battery and card) | 679g (body only) | ↓ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | EVF, 2.36M dots, 0.70× magnification | Optional clip-on EVF, 3.68M dots | |
| Screen | 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots | Fully articulating touchscreen | |
| Mount | Sony E-mount | Sony E-mount | |
| Memory Cards | Single SD UHS-I | Slot 1 CFexpress Type A / SD UHS-II, slot 2 SD UHS-II |
Compare side-by-side
⚖️ Compare these cameras
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Tell us what you shoot and we'll score the Sony FX2 against your specific genres — not just specs.
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