• 1 inch 116.2mm2
  • 18.4 megapixels
  • ISO 160 - 12,800
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000

Buy From

Differences

Nikon J4 advantages over Sony A6400

  • Slower slow-motion
    1200 fps vs 120 fps
    Supports slower slow-mo
  • Thinner
    28 mm vs 59 mm
    Thinner
  • Lighter weight
    317g vs 519g
    Lighter weight
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Faster JPEG shooting
    60.0 fps vs 11.0 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light

Sony A6400 advantages over Nikon J4

  • Lens selection
    Good vs Limited
    Better lens selection gives you more options
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-C vs 1 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 2.52 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Longer stills battery life
    More info 410 vs 300 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Higher max flash sync
    1/160 vs 1/60 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    5 years vs 10 years old
    Newer cameras often support more advanced features
  • 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
  • More pixels
    24.2 vs 18.4 megapixels
    Higher resolution photos
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Wider angle kit lens
    24 mm vs 27 mm
    Capture more of the scene with the included lens
  • Higher extended ISO
    102400 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

Buy From

Your purchases support this site

Buy the Sony A6400

Review Excerpt

The Competition

Compared to Nikon J3

Nikon J4
Nikon J3
  • $350
  • 1 inch
  • Touchscreen
  • In-camera panoramas
  • $617
  • 1 inch
  • Has anti-aliasing filter
Sony A6400
Nikon J3
  • $798
  • APS-C
  • Lens selection
  • Focus peaking
  • $617
  • 1 inch
  • Slower slow-motion
  • Thinner

Compared to Samsung NX Mini

Nikon J4
Samsung NX Mini
  • $350
  • 1 inch
  • On-sensor phase detect
  • Higher-res screen
  • $600
  • 1 inch
  • Less expensive
  • Tiltable Screen
Sony A6400
Samsung NX Mini
  • $798
  • APS-C
  • Focus peaking
  • Larger sensor
  • $600
  • 1 inch
  • Longer stills battery life
  • Thinner

Compared to Nikon J5

Nikon J4
Nikon J5
  • $350
  • 1 inch
  • Longer stills battery life
  • $497
  • 1 inch
  • Shoot 4K video
  • Tiltable Screen
Sony A6400
Nikon J5
  • $798
  • APS-C
  • Lens selection
  • Focus peaking
  • $497
  • 1 inch
  • Less expensive
  • Slower slow-motion

Compared to Fujifilm X-T100

Nikon J4
Fujifilm X-T100
  • $350
  • 1 inch
  • Slower slow-motion
  • More telephoto lens reach
  • $599
  • APS-C
  • Tilt-swivel screen
  • Lens selection
Sony A6400
Fujifilm X-T100
  • $798
  • APS-C
  • Slower slow-motion
  • Fast startup
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Sony A6100

Nikon J4
Sony A6100
  • $350
  • 1 inch
  • Slower slow-motion
  • Thinner
  • $648
  • APS-C
  • Lens selection
  • Focus peaking
Sony A6400
Sony A6100
  • $798
  • APS-C
  • Higher extended ISO
  • $648
  • APS-C
  • Less expensive
Compare Other Cameras?