Decision tools · Compare

A6700 vs FX3

Quick take: The A6700 has the highest resolution at 26MP; the A6700 is the most affordable.

16 specs side by side·15 genres scored·UK prices from Wex Photo Video and Clifton Cameras

How to read this page. Highlighted cells win that row on the spec alone. Genre scores are the engine's base scores (enthusiast, photo and video); Camera Match re-weights them for your level and priorities. Price buttons are affiliate links; the price you pay is the same.

Price buttons are affiliate links — GearFrame may earn a commission at no extra cost to you. It never affects a score. Learn more

Verdictwhich should you buy?

A6700 — All-Round & Video: Best-in-class autofocus and 4K/120p video in a compact APS-C body — the standout camera under £1,000.

FX3 — Professional Video, Documentary & Cinematic Filmmaking: 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)
is the right camera for you if…
  • 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)
is the right camera for you if…
  • 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
Full specificationsthe better value in each row is highlighted
Specification A6700Sony · 2023FX3Sony · 2021
Price £1,329Best£2,999
Sensor 26MP APS-C Exmor R BSI CMOS12.1MP full-frame BSI Exmor R CMOS (same as A7S III)
Resolution 26.0MPBest12.1MP
Video 4K/120p, 4K/60p oversampled, S-Log3, 10-bit4K/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 stops5-axis IBIS — 5 stops
Burst Rate 11fps mechanical, 30fps electronicBest10fps mechanical, 10fps electronic
Battery Life ~570 shots (CIPA)~640 shots (CIPA)Best
Weight 493g (body only)Best715g (body only)
Dimensions 122.0 × 69.0 × 75.1mm129.7 × 78.0 × 84.5mm
Weather Sealed YesYes
Viewfinder EVF, 2.36M dotsNone — monitor/external EVF use only
Screen 3.0" vari-angle touchscreen3.0" touchscreen, fully articulating
Mount Sony E-mountSony FE mount (full-frame E-mount)
Memory Cards Single SD UHS-II slotDual CFexpress Type A / SD UHS-II slots
Connectivity USB-C (3.2), Bluetooth, Wi-FiUSB-C (10Gbps), full-size HDMI, XLR via handle, Bluetooth, Wi-Fi

Wins the row — price, resolution, burst, battery, weight and sealing are compared; text specs aren't ranked.

How they score by genreengine base scores out of 10
Genre
A6700
FX3
Portrait
7.8/10
5.7/10
Street
7.7/10
4.3/10
Travel
7.1/10
5.5/10
Wedding & Events
6.8/10
6.0/10
Vlogging & Video
6.8/10
6.1/10
Filmmaking
6.6/10
9.1/10
Documentary
7.8/10
8.0/10
Sports & Action
7.5/10
5.5/10
Landscape
6.1/10
4.7/10
Wildlife
8.1/10
5.8/10
Casual
6.0/10
4.9/10
Food
7.4/10
6.7/10
Macro
7.1/10
5.5/10
Architecture
6.2/10
5.2/10
Astrophotography
6.5/10
6.7/10

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 →

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