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Quick take: The Sony FX2 has the highest resolution at 33MP; the A6400 is the most affordable.
16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras
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A6400 — Content Creation & Vlogging: The best value APS-C Sony you can buy — especially used. Real-time Eye AF at this price point was transformative when it launched and still makes it one of the most reliable autofocus systems in the lineup.
| Specification | A6400Sony · 2019 | Sony FX2Sony · 2025 |
|---|---|---|
| Price | £749Best | £2,499 |
| Sensor | 24.2MP APS-C Exmor CMOS BSI | 33MP full-frame Exmor R CMOS |
| Resolution | 24.2MP | 33.0MPBest |
| 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 trackingBest | 10fps |
| Battery Life | ~410 shots (CIPA) | 600 shots (CIPA); ~100 min continuous videoBest |
| Weight | 403g (with battery and card)Best | 679g (body only) |
| Dimensions | 120.0 × 66.9 × 59.7mm | — |
| 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 |
| Connectivity | Micro-USB, Wi-Fi, Bluetooth, NFC | USB-C, full-size HDMI, Wi-Fi, Bluetooth |
Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.
Scores come from the same engine as Camera Match: verified specifications weighted by what each genre needs, with documented adjustments. The product page and this table show the enthusiast base score. See how scores are calculated →