Upgrade Guide
Sony A6700→Sony FX3
Is it worth upgrading? Spec analysis, key improvements, and our verdict.
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Situational
One clear hardware improvement over the A6700. Worth it if that specific upgrade aligns with what you shoot.
What's new in the FX3
-
Weather sealingAdded — fully sealed body
Unchanged or similar
-
Resolution12MP (down from 26MP — optimised for low light)
Suitability by genre
| Genre | A6700 | FX3 | |
|---|---|---|---|
| Portrait | -2.0 | ||
| Street | -5.0 | ||
| Landscape | — | ||
| Vlogging & Video | — | ||
| Sports & Action | — | ||
| Wildlife | — | ||
| Low Light | — | ||
| Wedding | — | ||
| Travel | — |
Full spec comparison
| Spec | A6700 | FX3 | |
|---|---|---|---|
| Price | £999 | £3,799 | |
| Released | 2023 | 2021 | ↓ |
| Sensor | 26MP APS-C Exmor R BSI CMOS | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) | |
| Resolution | 26MP | 12MP | ↓ |
| Video | 4K/120p, 4K/60p oversampled, S-Log3, 10-bit | 4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone | |
| Autofocus | 759-point phase-detect, AI subject recognition (human/animal/bird/vehicle) | Real-time tracking with subject recognition (human, animal) | |
| Stabilisation | 5-axis IBIS, 5.0 stops | 5-axis IBIS — 5 stops | |
| Burst Rate | 11fps mechanical, 30fps electronic | 10fps mechanical, 10fps electronic | ↓ |
| Battery Life | ~570 shots (CIPA) | ~640 shots (CIPA) | ↑ |
| Weight | 493g body only | 715g body only (with XLR handle) | ↓ |
| Weather Sealed | No | Yes | ↑ |
| Viewfinder | EVF, 2.36M dots | None — monitor/external EVF use only | |
| Screen | 3.0" vari-angle touchscreen | 3.0" touchscreen, fully articulating | |
| Mount | Sony E-mount | Sony FE mount (full-frame E-mount) | |
| Memory Cards | Single SD UHS-II / CFexpress Type A slot | Dual CFexpress Type A / SD UHS-II slots |
Compare side-by-side
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