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A6400 vs FX-D 300

Quick take: The FX-D 300 has the highest resolution at 50MP; the FX-D 300 is the most affordable; only the A6400 is weather sealed.

16 specs side by side·16 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 · 2019FX-D 300Yashica · 2025
Price £749£389Best
Sensor 24.2MP APS-C Exmor CMOS BSI50MP 1/1.56-inch CMOS
Resolution 24.2MP50.0MPBest
Video 4K/30p (6K oversampled, no crop), 1080p/120p slow-motion4K/30p, 2.7K/60p, 1080p/120p
Autofocus Phase-detect, 425 points, real-time Eye AF & animal AFContrast-detect AF
Stabilisation No stabilisationNo stabilisation
Burst Rate 11fps mechanical, 8fps with AF trackingBest1fps
Battery Life ~410 shots (CIPA)Best~2 hours continuous use (estimated, shared platform with FX-D 100)
Weight 403g (with battery and card)390g (with battery, estimated)Best
Dimensions 120.0 × 66.9 × 59.7mm—
Weather Sealed YesBestNot weather sealed
Viewfinder EVF, 2.36M dots, 0.70× magnificationNone — the higher-end FX-D S300 variant adds a real EVF, this base model does not
Screen 3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dotsTilting screen (0-180°), no touch
Mount Sony E-mountFixed 24mm f/1.8 lens (no zoom)
Memory Cards Single SD UHS-ImicroSD
Connectivity Micro-USB, Wi-Fi, Bluetooth, NFCUSB-C, Wi-Fi, 3.5mm external mic input (estimated, shared platform with FX-D 100)

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
FX-D 300
Portrait
6.7/10
2.5/10
Street
7.3/10
5.3/10
Travel
6.9/10
5.0/10
Wedding & Events
5.6/10
2.5/10
Vlogging & Video
6.0/10
5.4/10
Filmmaking
5.1/10
2.9/10
Documentary
6.1/10
3.9/10
Sports & Action
6.9/10
—
Landscape
5.6/10
4.6/10
Wildlife
7.4/10
—
Casual
5.8/10
5.1/10
Food
6.1/10
4.6/10
Macro
5.2/10
3.0/10
Architecture
5.5/10
5.0/10
Astrophotography
6.0/10
2.4/10
Fun & simple
—
5.2/10

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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