Decision tools · Compare

A6400 vs Sony FX2

Quick take: The Sony FX2 has the highest resolution at 33MP; the A6400 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?

A6400 — Content Creation & Vlogging: The best value APS-C Sony you can buy — especially used. Real-time Eye AF at this price point was transformative when it launched and still makes it one of the most reliable autofocus systems in the lineup.

Who should buy what
A6400 (2019)
is the right camera for you if…
  • Vloggers and content creators who need a flip screen and reliable AF
  • Photographers upgrading from a compact or smartphone
  • Beginners who want room to grow into a full E-mount lens ecosystem
  • Anyone prioritising autofocus performance at an accessible price
Full specificationsthe better value in each row is highlighted
Specification A6400Sony · 2019Sony FX2Sony · 2025
Price £749Best£2,499
Sensor 24.2MP APS-C Exmor CMOS BSI33MP full-frame Exmor R CMOS
Resolution 24.2MP33.0MPBest
Video 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion7K-oversampled 4K/30p full-frame, 4K/60p (Super 35 crop), 10-bit, dual base ISO Log, external 16-bit RAW via HDMI
Autofocus Phase-detect, 425 points, real-time Eye AF & animal AFHybrid phase-detect AF with subject tracking and auto-framing
Stabilisation No stabilisationDynamic Active IBIS
Burst Rate 11fps mechanical, 8fps with AF trackingBest10fps
Battery Life ~410 shots (CIPA)600 shots (CIPA); ~100 min continuous videoBest
Weight 403g (with battery and card)Best679g (body only)
Dimensions 120.0 × 66.9 × 59.7mm—
Weather Sealed YesYes
Viewfinder EVF, 2.36M dots, 0.70× magnificationOptional clip-on EVF, 3.68M dots
Screen 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dotsFully articulating touchscreen
Mount Sony E-mountSony E-mount
Memory Cards Single SD UHS-ISlot 1 CFexpress Type A / SD UHS-II, slot 2 SD UHS-II
Connectivity Micro-USB, Wi-Fi, Bluetooth, NFCUSB-C, full-size HDMI, Wi-Fi, Bluetooth

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
A6400
Sony FX2
Portrait
6.7/10
7.0/10
Street
7.3/10
5.3/10
Travel
6.9/10
6.4/10
Wedding & Events
5.6/10
6.8/10
Vlogging & Video
6.0/10
6.0/10
Filmmaking
5.1/10
8.0/10
Documentary
6.1/10
7.7/10
Sports & Action
6.9/10
6.4/10
Landscape
5.6/10
5.7/10
Wildlife
7.4/10
6.6/10
Casual
5.8/10
5.1/10
Food
6.1/10
7.5/10
Macro
5.2/10
5.4/10
Architecture
5.5/10
6.8/10
Astrophotography
6.0/10
6.3/10

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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