Upgrade Guide
Sony Sony FX2→Sony FX3
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Skip it
The FX3 offers little measurable spec improvement over the Sony FX2. Spend the money on glass instead.
Unchanged or similar
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Resolution12MP (down from 33MP — optimised for low light)
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 | Sony FX2 | FX3 | |
|---|---|---|---|
| Portrait | -1.3 | ||
| Street | -1.0 | ||
| Travel | -0.8 | ||
| Wedding & Events | -0.8 | ||
| Vlogging & Video | +0.2 | ||
| Filmmaking | +1.1 | ||
| Documentary | +0.3 | ||
| Sports & Action | -0.9 | ||
| Landscape | -1.0 | ||
| Wildlife | -0.8 | ||
| Casual | -0.3 | ||
| Food | -0.8 | ||
| Macro | +0.1 | ||
| Architecture | -1.6 | ||
| Astrophotography | +0.4 |
Full spec comparison
| Spec | Sony FX2 | FX3 | |
|---|---|---|---|
| Price | £2,499 | £3,799 | |
| Released | 2025 | 2021 | ↓ |
| Sensor | 33MP full-frame Exmor R CMOS | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) | |
| Resolution | 33MP | 12MP | ↓ |
| Video | 7K-oversampled 4K/30p full-frame, 4K/60p (Super 35 crop), 10-bit, dual base ISO Log, external 16-bit RAW via HDMI | 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone | |
| Autofocus | Hybrid phase-detect AF with subject tracking and auto-framing | Real-time tracking with subject recognition (human, animal) | |
| Stabilisation | Dynamic Active IBIS | 5-axis IBIS — 5 stops | |
| Burst Rate | 10fps | 10fps mechanical, 10fps electronic | |
| Battery Life | 600 shots (CIPA); ~100 min continuous video | ~640 shots (CIPA) | ↑ |
| Weight | 679g (body only) | 715g (body only) | ↓ |
| Weather Sealed | Yes | Yes | |
| Viewfinder | Optional clip-on EVF, 3.68M dots | None — monitor/external EVF use only | |
| Screen | Fully articulating touchscreen | 3.0" touchscreen, fully articulating | |
| Mount | Sony E-mount | Sony FE mount (full-frame E-mount) | |
| Memory Cards | Slot 1 CFexpress Type A / SD UHS-II, slot 2 SD UHS-II | Dual CFexpress Type A / SD UHS-II slots |
Compare side-by-side
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