• APS-C 369.7mm2
  • 16.2 megapixels
  • ISO 100 - 12,800
  • APS-C 337.5mm2
  • 32.5 megapixels
  • ISO 100 - 25,600

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Differences

Sony A55 advantages over Canon 90D

  • 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
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Lighter weight
    727g vs 1216g
    Lighter weight
  • More viewfinder magnification
    0.73x vs 0.59x
    Get a bigger view of the scene through the eye-level viewfinder

Canon 90D advantages over Sony A55

  • 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
  • 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
  • Fast startup
    ~0.40 vs 0.9 sec
    Faster startup lets you catch the moment
  • 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 330 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
  • 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 months vs 9 years old
    Newer cameras often support more advanced features
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Less shutter lag
    0.13 vs 0.22 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    32.5 vs 16.2 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • More AF points
    45 vs 15
    More AF points improve autofocus
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Faster JPEG shooting
    10.0 fps vs 9.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    57 vs 32 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
  • 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

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • Dual card slots
    Neither provide
    Gives you more storage flexibility

User reviews

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Buy the Canon 90D

Review Excerpt

The Competition

Compared to Canon T2i

Sony A55
Canon T2i
  • $734
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $692
  • APS-C
  • Lens selection
  • Fast startup
Canon 90D
Canon T2i
  • $1199
  • APS-C
  • Tilt-swivel screen
  • Shoot 4K video
  • $692
  • APS-C
  • Bigger pixels
  • Shoots 24p video

Compared to Sony A33

Sony A55
Sony A33
  • $734
  • APS-C
  • Higher effective ISO
  • Built-in GPS
  • $540
  • APS-C
Canon 90D
Sony A33
  • $1199
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $540
  • APS-C
  • In-Camera Image Stabilization
  • Bigger pixels

Compared to Sony A35

Sony A55
Sony A35
  • $734
  • APS-C
  • Tiltable Screen
  • Built-in GPS
  • $567
  • APS-C
  • Less expensive
  • Longer stills battery life
Canon 90D
Sony A35
  • $1199
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $567
  • APS-C
  • In-Camera Image Stabilization
  • Bigger pixels

Compared to Canon 80D

Sony A55
Canon 80D
  • $734
  • APS-C
  • In-Camera Image Stabilization
  • Bigger pixels
  • $1094
  • APS-C
  • Lens selection
  • Tilt-swivel screen
Canon 90D
Canon 80D
  • $1199
  • APS-C
  • Shoot 4K video
  • Built-in Bluetooth
  • $1094
  • APS-C
  • Less expensive
  • Bigger pixels

Compared to Nikon D7500

Sony A55
Nikon D7500
  • $734
  • APS-C
  • In-Camera Image Stabilization
  • In-camera panoramas
  • $897
  • APS-C
  • Lens selection
  • Shoot 4K video
Canon 90D
Nikon D7500
  • $1199
  • APS-C
  • Tilt-swivel screen
  • On-sensor phase detect
  • $897
  • APS-C
  • Bigger pixels
  • Fast startup
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