Decision tools · Compare

Sony FX2 vs FX3

Quick take: The Sony FX2 has the highest resolution at 33MP; the Sony FX2 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?

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
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 Sony FX2Sony · 2025FX3Sony · 2021
Price £2,499Best£3,579
Sensor 33MP full-frame Exmor R CMOS12.1MP full-frame BSI Exmor R CMOS (same as A7S III)
Resolution 33.0MPBest12.1MP
Video 7K-oversampled 4K/30p full-frame, 4K/60p (Super 35 crop), 10-bit, dual base ISO Log, external 16-bit RAW via HDMI4K/120p, 4K/60p 10-bit, 12-bit RAW output, S-Log3, S-Cinetone
Autofocus Hybrid phase-detect AF with subject tracking and auto-framingReal-time tracking with subject recognition (human, animal)
Stabilisation Dynamic Active IBIS5-axis IBIS — 5 stops
Burst Rate 10fps10fps mechanical, 10fps electronic
Battery Life 600 shots (CIPA); ~100 min continuous video~640 shots (CIPA)Best
Weight 679g (body only)Best715g (body only)
Dimensions —129.7 × 78.0 × 84.5mm
Weather Sealed YesYes
Viewfinder Optional clip-on EVF, 3.68M dotsNone — monitor/external EVF use only
Screen Fully articulating touchscreen3.0" touchscreen, fully articulating
Mount Sony E-mountSony FE mount (full-frame E-mount)
Memory Cards Slot 1 CFexpress Type A / SD UHS-II, slot 2 SD UHS-IIDual CFexpress Type A / SD UHS-II slots
Connectivity USB-C, full-size HDMI, Wi-Fi, BluetoothUSB-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
Sony FX2
FX3
Portrait
7.0/10
5.7/10
Street
5.3/10
4.3/10
Travel
6.4/10
5.6/10
Wedding & Events
6.8/10
6.0/10
Vlogging & Video
6.0/10
6.2/10
Filmmaking
8.0/10
9.1/10
Documentary
7.7/10
8.0/10
Sports & Action
6.4/10
5.5/10
Landscape
5.7/10
4.7/10
Wildlife
6.6/10
5.8/10
Casual
5.1/10
4.8/10
Food
7.5/10
6.7/10
Macro
5.4/10
5.5/10
Architecture
6.8/10
5.2/10
Astrophotography
6.3/10
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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