Decision tools · Compare

A6600 vs FX3

Quick take: The A6600 has the highest resolution at 24MP; the A6600 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?

A6600 — Hybrid Photography, Travel & Video On Sony Aps-C: The APS-C Sony that has everything — IBIS, real-time Eye AF, excellent battery life, and 4K/30p in a weather-sealed body.

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
A6600 (2019)
is the right camera for you if…
  • Sony APS-C shooters who need IBIS — the only A6000-series body to offer it
  • Hybrid photographers who want the best of stills and video from a compact E-mount body
  • A6400 or A6100 owners who want IBIS and a headphone jack for video work
  • Travel photographers who need compact full-featured weather-sealed performance
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 A6600Sony · 2019FX3Sony · 2021
Price £1,299Best£2,999
Sensor 24.2MP APS-C Exmor CMOS12.1MP full-frame BSI Exmor R CMOS (same as A7S III)
Resolution 24.2MPBest12.1MP
Video 4K/30p (no crop), 1080p/120p4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone
Autofocus Real-time Eye AF, real-time tracking — inherited from A9Real-time tracking with subject recognition (human, animal)
Stabilisation 5-axis IBIS — 5 stops5-axis IBIS — 5 stops
Burst Rate 11fps continuous with AF/AEBest10fps mechanical, 10fps electronic
Battery Life ~810 shots (CIPA) — large NP-FZ100 batteryBest~640 shots (CIPA)
Weight 503g (body only)Best715g (body only)
Dimensions 120 × 66.9 × 69.3mm129.7 × 78.0 × 84.5mm
Weather Sealed YesYes
Viewfinder EVF, 2.36M dots, 0.70× magnificationNone — monitor/external EVF use only
Screen 3.0" touchscreen, tilting3.0" touchscreen, fully articulating
Mount Sony E-mount (APS-C)Sony FE mount (full-frame E-mount)
Memory Cards Single SD UHS-I slotDual CFexpress Type A / SD UHS-II slots
Connectivity USB-C, Bluetooth, Wi-Fi, 3.5mm mic & headphone jacksUSB-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
A6600
FX3
Portrait
7.1/10
5.7/10
Street
7.3/10
4.3/10
Travel
6.8/10
5.5/10
Wedding & Events
6.3/10
6.0/10
Vlogging & Video
6.0/10
6.1/10
Filmmaking
6.0/10
9.1/10
Documentary
7.0/10
8.0/10
Sports & Action
7.1/10
5.5/10
Landscape
5.9/10
4.7/10
Wildlife
7.8/10
5.8/10
Casual
6.0/10
4.9/10
Food
6.5/10
6.7/10
Macro
5.8/10
5.5/10
Architecture
5.8/10
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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