• APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000
  • APS-C 337.5mm2
  • 32.5 megapixels
  • ISO 100 - 25,600

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Differences

Sony A6400 advantages over Canon 90D

  • Less expensive
    $848 vs $1349
    Save money for lenses or accessories
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Bigger pixels
    ~ 3.92 vs 3.23 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Lighter weight
    519g vs 1216g
    Lighter weight
  • More viewfinder magnification
    0.70x vs 0.59x
    Get a bigger view of the scene through the eye-level viewfinder
  • Wider angle kit lens
    24 mm vs 29 mm
    Capture more of the scene with the included lens
  • Faster JPEG shooting
    11.0 fps vs 10.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    87 vs 57 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    11.1 fps vs 10.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    42 vs 27 shots
    Larger buffer for RAW shots (burst mode)
  • Higher extended ISO
    102400 vs 51200 ISO
    Higher extended ISO can give more low-light flexibility

Canon 90D advantages over Sony A6400

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Fast startup
    ~0.40 vs 1.8 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 1300 vs 410 shots
    Capture more photos
  • More telephoto lens reach
    216 mm vs 75 mm
    Capture objects farther away with the kit lens
  • 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
  • More pixels
    32.5 vs 24.2 megapixels
    Higher resolution photos
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • 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
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • 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
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Dual card slots
    Neither provide
    Gives you more storage flexibility

User reviews

Buy From

Your purchases support this site

Buy the Sony A6400

Your purchases support this site

Buy the Canon 90D

Review Excerpt

  • Highest resolution Canon APS-C camera yet; Great image quality; Faster 10fps burst shooting; Very fast autofocus; Dual Pixel CMOS AF in Live View; 4K video; 1080p120 slow-mo video.

  • Low-pass filter reduces fine detail from high-res sensor; High ISO performance isn't as good as some rival cameras; Video recording limited to 29:59.

The Competition

Compared to Canon 80D

Sony A6400
Canon 80D
  • $798
  • APS-C
  • Focus peaking
  • Shoot 4K video
  • $935
  • APS-C
  • Lens selection
  • Tilt-swivel screen
Canon 90D
Canon 80D
  • $1099
  • APS-C
  • Shoot 4K video
  • Built-in Bluetooth
  • $935
  • APS-C
  • Less expensive
  • Bigger pixels

Compared to Nikon D7500

Sony A6400
Nikon D7500
  • $798
  • APS-C
  • Focus peaking
  • In-camera panoramas
  • $797
  • APS-C
  • Lens selection
  • Fast startup
Canon 90D
Nikon D7500
  • $1099
  • APS-C
  • Tilt-swivel screen
  • On-sensor phase detect
  • $797
  • APS-C
  • Less expensive
  • Bigger pixels

Compared to Canon EOS M50

Sony A6400
Canon EOS M50
  • $798
  • APS-C
  • Lens selection
  • Larger sensor
  • $579
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Canon 90D
Canon EOS M50
  • $1099
  • APS-C
  • Lens selection
  • Fast startup
  • $579
  • APS-C
  • Less expensive
  • Focus peaking

Compared to Fujifilm X-T100

Sony A6400
Fujifilm X-T100
  • $798
  • APS-C
  • Slower slow-motion
  • Fast startup
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Canon 90D
Fujifilm X-T100
  • $1099
  • APS-C
  • Slower slow-motion
  • Lens selection
  • $599
  • APS-C
  • Less expensive
  • Focus peaking

Compared to Sony A6100

Sony A6400
Sony A6100
  • $798
  • APS-C
  • Higher extended ISO
  • $673
  • APS-C
  • Less expensive
Canon 90D
Sony A6100
  • $1099
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $673
  • APS-C
  • Focus peaking
  • Less expensive
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