• APS-C 369.7mm2
  • 14.2 megapixels
  • ISO 200 - 12,800
  • 4/3 224.9mm2
  • 20.2 megapixels
  • ISO 100 - 25,600

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Differences

Sony DSLR-A550 advantages over YI M1

  • Larger sensor
    APS-C vs 4/3
    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
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.16 vs 3.34 microns
    Better low-light and dynamic range (all else equal)
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Longer stills battery life
    More info 950 vs 380 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Faster JPEG shooting
    6.7 fps vs 5.0 fps
    Faster JPEG shooting (burst mode)

YI M1 advantages over Sony DSLR-A550

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Less expensive
    $350 vs $1050 (MSRP)
    Save money for lenses or accessories
  • 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
  • Thinner
    33 mm vs 84 mm
    Thinner
  • Newer
    7 years vs 14 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
  • More pixels
    20.2 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
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    25600 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • 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
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

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Buy the YI M1
Kit with 12-40mm lens (Black)
  • Kit with 12-40mm lens (Black)
  • Kit with 12-40mm & 42.5mm lenses (Silver)

Review Excerpt

  • Cheap as chips (and with a kit lens!); Quality Sony Exmor Four Thirds sensor; Widely-supported Micro Four Thirds lens mount; Good image quality from raw files; Reasonable burst performance for price; 4K video capture.

  • Poor ergonomics; Controls too easily bumped; Frustrating user interface; Mediocre JPEG image quality; Heavy-handed noise reduction; Unreliable white balance; No raw+JPEG; Buffer is almost nonexistent; Focus confirmation beep happens while still focusing; AF is poor in low light; Laggy user interface in playback; Extreme crop for 4K video; Kit lenses feel cheap; No bundled flash.

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
YI M1
Canon 50D
  • $199
  • 4/3
  • Less expensive
  • Focus peaking
  • $1000
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compared to Nikon D300S

Sony DSLR-A550
Nikon D300S
  • $859
  • APS-C
  • In-Camera Image Stabilization
  • Tiltable Screen
  • $1663
  • APS-C
  • Lens selection
  • Fast startup
YI M1
Nikon D300S
  • $199
  • 4/3
  • Focus peaking
  • Shoot 4K video
  • $1663
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

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
YI M1
Sony DSLR-A500
  • $199
  • 4/3
  • Lens selection
  • Focus peaking
  • $850
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compared to Olympus E-PL6

Sony DSLR-A550
Olympus E-PL6
  • $859
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $299
  • 4/3
  • Lens selection
  • Less expensive
YI M1
Olympus E-PL6
  • $199
  • 4/3
  • Focus peaking
  • Shoot 4K video
  • $299
  • 4/3
  • Less expensive
  • In-Camera Image Stabilization

Compared to Panasonic GX850

Sony DSLR-A550
Panasonic GX850
  • $859
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $548
  • 4/3
  • Lens selection
  • Focus peaking
YI M1
Panasonic GX850
  • $199
  • 4/3
  • Less expensive
  • Built-in Bluetooth
  • $548
  • 4/3
  • Tiltable Screen
  • Internal flash
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