• APS-C 369.7mm2
  • 16.1 megapixels
  • ISO 100 - 16,000
  • APS-C 337.5mm2
  • 32.5 megapixels
  • ISO 100 - 25,600

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Differences

Sony A57 advantages over Canon 90D

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 4.82 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
  • Lighter weight
    828g vs 1216g
    Lighter weight
  • More viewfinder magnification
    0.69x vs 0.59x
    Get a bigger view of the scene through the eye-level viewfinder

Canon 90D advantages over Sony A57

  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • 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
  • Longer stills battery life
    More info 1300 vs 550 shots
    Capture more photos
  • More telephoto lens reach
    216 mm vs 83 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
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More cross-type AF points
    45 vs 3
    Cross-type AF points improve autofocus performance
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    5 years vs 13 years old
    Newer cameras often support more advanced features
  • More pixels
    32.5 vs 16.1 megapixels
    Higher resolution photos
  • More AF points
    45 vs 15
    More AF points improve autofocus
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Bigger JPEG buffer
    57 vs 25 shots
    Take more JPEG shots before waiting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    51200 vs 25600 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
  • 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

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Dual card slots
    Neither provide
    Gives you more storage flexibility

User reviews

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Buy the Sony A57

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Buy the Canon 90D
Body Only
  • Body Only
  • KIt with 18-135mm Lens
  • KIt with 18-55mm Lens
All 90D Deals

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.

  • Read our Canon 90D Review

The Competition

Compared to Nikon D5100

Sony A57
Nikon D5100
  • $800
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $650
  • APS-C
  • Lens selection
  • Tilt-swivel screen

Compare Sony A57 vs Nikon D5100

Canon 90D
Nikon D5100
  • $1099
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $650
  • APS-C
  • Less expensive
  • Bigger pixels

Compare Canon 90D vs Nikon D5100

Compared to Sony A37

Sony A57
Sony A37
  • $800
  • APS-C
  • Longer stills battery life
  • Higher-res screen
  • $600
  • APS-C
  • Less expensive
  • External Mic Jack

Compare Sony A57 vs Sony A37

Canon 90D
Sony A37
  • $1099
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $600
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization

Compare Canon 90D vs Sony A37

Compared to Pentax K-5 IIs

Sony A57
Pentax K-5 IIs
  • $800
  • APS-C
  • Less expensive
  • Focus peaking
  • $497
  • APS-C
  • Lens selection
  • Higher effective ISO

Compare Sony A57 vs Pentax K-5 IIs

Canon 90D
Pentax K-5 IIs
  • $1099
  • APS-C
  • Tilt-swivel screen
  • Shoot 4K video
  • $497
  • APS-C
  • In-Camera Image Stabilization
  • Bigger pixels

Compare Canon 90D vs Pentax K-5 IIs

Compared to Canon 80D

Sony A57
Canon 80D
  • $800
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $935
  • APS-C
  • Lens selection
  • Tilt-swivel screen

Compare Sony A57 vs Canon 80D

Canon 90D
Canon 80D
  • $1099
  • APS-C
  • Shoot 4K video
  • Built-in Bluetooth
  • $935
  • APS-C
  • Less expensive
  • Bigger pixels

Compare Canon 90D vs Canon 80D

Compared to Nikon D7500

Sony A57
Nikon D7500
  • $800
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $897
  • APS-C
  • Lens selection
  • Shoot 4K video

Compare Sony A57 vs Nikon D7500

Canon 90D
Nikon D7500
  • $1099
  • APS-C
  • Tilt-swivel screen
  • On-sensor phase detect
  • $897
  • APS-C
  • Less expensive
  • Bigger pixels

Compare Canon 90D vs Nikon D7500

Compare Other Cameras?