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OM-D E-M10 IV vs A6400

Quick take: The A6400 has the highest resolution at 24MP; the OM-D E-M10 IV 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?

OM-D E-M10 IV — Travel & Everyday: Compact Micro Four Thirds body with built-in IBIS — ideal for travellers who want stability without bulk.

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
OM-D E-M10 IV (2020)
is the right camera for you if…
  • Beginners and enthusiasts who want a compact, stylish Micro Four Thirds camera
  • Travellers who want a small, light system without sacrificing image quality
  • Smartphone upgraders who want a proper camera that still fits in a bag
  • Anyone who wants built-in selfie capability in a traditional camera body
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 OM-D E-M10 IVOlympus · 2020A6400Sony · 2019
Price £699Best£749
Sensor 20.3MP Micro Four Thirds Live MOS24.2MP APS-C Exmor CMOS BSI
Resolution 20.3MP24.2MPBest
Video 4K/30p, 1080p/60p4K/30p (6K oversampled, no crop), 1080p/120p slow-motion
Autofocus Contrast-detect AF, 121 points, face and eye detectionPhase-detect, 425 points, real-time Eye AF & animal AF
Stabilisation 5-axis IBIS, 4.5 stopsNo stabilisation
Burst Rate 15fpsBest11fps mechanical, 8fps with AF tracking
Battery Life ~360 shots (CIPA)~410 shots (CIPA)Best
Weight 383g (body only)Best403g (with battery and card)
Dimensions 121.4 × 83.6 × 49.0mm120.0 × 66.9 × 59.7mm
Weather Sealed Not weather sealedYesBest
Viewfinder EVF, 2.36M dots, 0.46× magnificationEVF, 2.36M dots, 0.70× magnification
Screen 3.0" tilting touchscreen3.0" tilting touchscreen, 180° flip for selfie/vlog, 921k dots
Mount Micro Four ThirdsSony E-mount
Memory Cards Single SD UHS-I slotSingle SD UHS-I
Connectivity USB Micro-B, Bluetooth, Wi-Fi, micro HDMIMicro-USB, Wi-Fi, Bluetooth, NFC

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
OM-D E-M10 IV
A6400
Portrait
5.2/10
6.7/10
Street
6.1/10
7.3/10
Travel
5.8/10
6.9/10
Wedding & Events
3.9/10
5.6/10
Filmmaking
3.7/10
5.1/10
Documentary
4.0/10
6.1/10
Sports & Action
5.5/10
6.9/10
Landscape
4.4/10
5.6/10
Wildlife
6.0/10
7.4/10
Casual
6.7/10
5.8/10
Food
6.2/10
6.1/10
Macro
6.1/10
5.2/10
Architecture
4.9/10
5.5/10
Astrophotography
5.5/10
6.0/10
Fun & simple
5.8/10
—
Vlogging & Video
—
6.0/10

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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