• APS-C 369.7mm2
  • 14.2 megapixels
  • ISO 200 - 12,800
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000

Buy From

Differences

Sony DSLR-A550 advantages over Sony A6400

  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.16 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 950 vs 410 shots
    Capture more photos

Sony A6400 advantages over Sony DSLR-A550

  • 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
  • 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
  • Thinner
    59 mm vs 84 mm
    Thinner
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    6 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
  • Lighter weight
    519g vs 912g
    Lighter weight
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More viewfinder magnification
    0.70x vs 0.53x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.2 vs 14.2 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Wider angle kit lens
    24 mm vs 27 mm
    Capture more of the scene with the included lens
  • Faster JPEG shooting
    11.0 fps vs 6.7 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    87 vs 15 shots
    Take more JPEG shots before waiting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    102400 vs 12800 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
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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

  • 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

Your purchases support this site

Buy the Sony A6400

Review Excerpt

The Competition

Compared to Canon 50D

Sony DSLR-A550
Canon 50D
  • $859
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization
  • $1000
  • APS-C
  • Lens selection
  • Fast startup
Sony A6400
Canon 50D
  • $798
  • APS-C
  • Focus peaking
  • Shoot 4K video
  • $1000
  • APS-C
  • Lens selection
  • Bigger pixels

Compared to Nikon D300S

Sony DSLR-A550
Nikon D300S
  • $859
  • APS-C
  • In-Camera Image Stabilization
  • Tiltable Screen
  • $1697
  • APS-C
  • Lens selection
  • Fast startup
Sony A6400
Nikon D300S
  • $798
  • APS-C
  • Focus peaking
  • Less expensive
  • $1697
  • APS-C
  • Lens selection
  • Bigger pixels

Compared to Sony DSLR-A500

Sony DSLR-A550
Sony DSLR-A500
  • $859
  • APS-C
  • More dots on screen
  • More pixels
  • $850
  • APS-C
  • Less expensive
Sony A6400
Sony DSLR-A500
  • $798
  • APS-C
  • Focus peaking
  • Shoot 4K video
  • $850
  • APS-C
  • In-Camera Image Stabilization
  • Bigger pixels

Compared to Fujifilm X-T100

Sony DSLR-A550
Fujifilm X-T100
  • $859
  • APS-C
  • In-Camera Image Stabilization
  • Bigger pixels
  • $599
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
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

Sony DSLR-A550
Sony A6100
  • $859
  • APS-C
  • In-Camera Image Stabilization
  • Bigger pixels
  • $648
  • APS-C
  • Focus peaking
  • Shoot 4K video
Sony A6400
Sony A6100
  • $798
  • APS-C
  • Higher extended ISO
  • $648
  • APS-C
  • Less expensive
Compare Other Cameras?