• 35mm 861.6mm2
  • 24.6 megapixels
  • ISO 200 - 3200
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000

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Differences

Sony A850 advantages over Sony A6400

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.94 vs 3.92 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.50 vs 1.8 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 880 vs 410 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light

Sony A6400 advantages over Sony A850

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • 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
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • 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
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    59 mm vs 81 mm
    Thinner
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    5 years vs 15 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Faster JPEG shooting
    11.0 fps vs 3.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    87 vs 23 shots
    Take more JPEG shots before waiting (burst mode)
  • 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

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

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Buy the Sony A850

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Buy the Sony A6400
Body Only (Black)
  • Body Only (Black)
  • Kit with 16-50mm OSS lens
  • Kit with 18-135mm OSS lens
All A6400 Deals

Review Excerpt

The Competition

Compared to Sony A900

Sony A850
Sony A900
  • $2219
  • 35mm
  • Less expensive
  • Bigger JPEG buffer
  • $3000
  • 35mm
  • Faster JPEG shooting

Compare Sony A850 vs Sony A900

Sony A6400
Sony A900
  • $898
  • APS-C
  • Focus peaking
  • Shoot 4K video
  • $3000
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization

Compare Sony A6400 vs Sony A900

Compared to Canon 5D Mark III

Sony A850
Canon 5D Mark III
  • $2219
  • 35mm
  • In-Camera Image Stabilization
  • $2139
  • 35mm
  • Lens selection
  • Higher effective ISO

Compare Sony A850 vs Canon 5D Mark III

Sony A6400
Canon 5D Mark III
  • $898
  • APS-C
  • Less expensive
  • Focus peaking
  • $2139
  • 35mm
  • Lens selection
  • Larger sensor

Compare Sony A6400 vs Canon 5D Mark III

Compared to Sony A99

Sony A850
Sony A99
  • $2219
  • 35mm
  • Less expensive
  • Fast startup
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Focus peaking

Compare Sony A850 vs Sony A99

Sony A6400
Sony A99
  • $898
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Larger sensor

Compare Sony A6400 vs Sony A99

Compared to Fujifilm X-T100

Sony A850
Fujifilm X-T100
  • $2219
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $599
  • APS-C
  • Tilt-swivel screen
  • Focus peaking

Compare Sony A850 vs Fujifilm X-T100

Sony A6400
Fujifilm X-T100
  • $898
  • APS-C
  • Slower slow-motion
  • Fast startup
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compare Sony A6400 vs Fujifilm X-T100

Compared to Sony A6100

Sony A850
Sony A6100
  • $2219
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $748
  • APS-C
  • Focus peaking
  • Shoot 4K video

Compare Sony A850 vs Sony A6100

Sony A6400
Sony A6100
  • $898
  • APS-C
  • Higher extended ISO
  • $748
  • APS-C
  • Less expensive

Compare Sony A6400 vs Sony A6100

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