• APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000
  • 1/2.3 inch 28.1mm2
  • 20.2 megapixels
  • 28.00mm - 140.00mm (35mm eq.)

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Differences

Sony A6400 advantages over Ricoh G900

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-C vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 3.92 vs 1.19 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (UHD) vs No
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 410 vs 340 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    24.2 vs 20.2 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Longer exposure
    30 vs 4 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    102400 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Ricoh G900 advantages over Sony A6400

  • Less expensive
    $775* vs $998
    Save money for lenses or accessories
  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Thinner
    33 mm vs 59 mm
    Thinner
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

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Your purchases support this site

Buy the Sony A6400

Review Excerpt

The Competition

Compared to Ricoh WG-30w

Sony A6400
Ricoh WG-30w
  • $898
  • APS-C
  • Focus peaking
  • Larger sensor
  • $450
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
Ricoh G900
Ricoh WG-30w
  • $786
  • 1/2.3 inch
  • Built-in GPS
  • Newer
  • $450
  • 1/2.3 inch
  • Built-in Wi-Fi
  • Shoots 1080p video

Compared to Fujifilm X-T100

Sony A6400
Fujifilm X-T100
  • $898
  • APS-C
  • Slower slow-motion
  • Fast startup
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Ricoh G900
Fujifilm X-T100
  • $786
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Ricoh WG-6

Sony A6400
Ricoh WG-6
  • $898
  • APS-C
  • Focus peaking
  • Larger sensor
  • $331
  • 1/2.3 inch
  • Less expensive
  • Waterproof
Ricoh G900
Ricoh WG-6
  • $786
  • 1/2.3 inch
  • $331
  • 1/2.3 inch
  • Less expensive

Compared to Canon EOS M6 Mark II

Sony A6400
Canon EOS M6 Mark II
  • $898
  • APS-C
  • Lens selection
  • Eye-level viewfinder
  • $849
  • APS-C
  • Fast startup
  • More pixels
Ricoh G900
Canon EOS M6 Mark II
  • $786
  • 1/2.3 inch
  • Less expensive
  • Waterproof
  • $849
  • APS-C
  • Focus peaking
  • Larger sensor

Compared to Sony A6100

Sony A6400
Sony A6100
  • $898
  • APS-C
  • Higher extended ISO
  • $748
  • APS-C
  • Less expensive
Ricoh G900
Sony A6100
  • $786
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
  • $748
  • APS-C
  • Focus peaking
  • Larger sensor
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