A6700vs FX3
VS
Sony
FX3 (2021)
Starting from £3799 new
Best for Professional video, documentary & cinematic filmmaking
View FX3
GearScore™ Verdict — Which should you buy?
All-Round & Video — A6700 (2023): Best-in-class autofocus and 4K/120p video in a compact APS-C body — the standout camera under £1,000.
Professional Video, Documentary & Cinematic Filmmaking — FX3 (2021): The definitive run-and-gun cinema camera — A7S III sensor quality in a body built specifically for video professionals.
Who should buy what
A6700 (2023)
- APS-C photographers who want the best Sony autofocus in a compact body
- Video shooters who need 4K/120p and subject tracking in a smaller package
- A6400 or A6600 owners ready for a significant AF and video upgrade
- Photographers who want near-A7 performance without the full-frame price
FX3 (2021)
- Professional videographers and filmmakers who need cinema-quality colour science in a compact body
- Documentary and run-and-gun shooters who need 4K/120p and built-in XLR audio
- Sony A7S III owners who want a purpose-built video body alongside their stills camera
- Gimbal and drone operators who need a compact full-frame cinema camera
Quick take: The a6700 has the highest resolution at 26mp; the a6700 is the most affordable; only the fx3 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | A6700 (2023) | FX3 (2021) |
|---|---|---|
| Price | £999 | £3,799 |
| Sensor | 26MP APS-C Exmor R BSI CMOS | 12.1MP full-frame BSI Exmor R CMOS (same as A7S III) |
| Resolution | 26.0MP | 12.1MP |
| 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) |
| Dimensions | 122.0 × 69.0 × 75.1mm | 129.7 × 78.0 × 84.5mm |
| 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 |
| Connectivity | USB-C (3.2), Bluetooth, Wi-Fi | USB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi |
Suitability by genre
| Genre | A6700 | FX3 |
|---|---|---|
| Portrait | ||
| Street | ||
| Landscape | — | |
| Vlogging & Video | ||
| Sports & Action | — | |
| Wildlife | — | |
| Low Light | — | |
| Wedding | — | |
| Travel | — |
More comparisons with A6700
Camera family history