• 35mm 847.3mm2
  • 12.2 megapixels
  • ISO 100 - 102,400
  • APS-C 337.5mm2
  • 32.5 megapixels
  • ISO 100 - 25,600

Buy From

Differences

Sony A7S II advantages over Canon 90D

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 8.40 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
  • More viewfinder magnification
    0.78x vs 0.59x
    Get a bigger view of the scene through the eye-level viewfinder
  • Higher extended ISO
    409600 vs 51200 ISO
    Higher extended ISO can give more low-light flexibility

Canon 90D advantages over Sony A7S II

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $1349 vs $2398*
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Fast startup
    ~0.40 vs 2.9 sec
    Faster startup lets you catch the moment
  • 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 370 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Newer
    5 years vs 9 years old
    Newer cameras often support more advanced features
  • More pixels
    32.5 vs 12.2 megapixels
    Higher resolution photos
  • Faster JPEG shooting
    10.0 fps vs 5.0 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    10.0 fps vs 5.0 fps
    Faster RAW shooting in burst mode
  • Faster shutter
    1/16000 vs 1/8000 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
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • 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
  • Headphone jack
    Both provide
    Monitor audio recording while you shoot video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • 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 A7S II
Body Only
All A7S II Deals

Your purchases support this site

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

Review Excerpt

  • Comfortable and surprisingly compact camera body; Improved low light performance; Built-in image stabilization; Wide range of usable ISOs; More sophisticated autofocus performance; Excellent video capabilities.

  • Relatively low resolution; Mediocre continuous shooting performance; No built-in flash; No losslessly compressed RAW option.

  • Read our Sony A7S II Review

  • 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 Sony A7S

Sony A7S II
Sony A7S
  • $2398
  • 35mm
  • In-Camera Image Stabilization
  • Shoot 4K video
  • $1998
  • 35mm
  • Less expensive
  • Fast startup

Compare Sony A7S II vs Sony A7S

Canon 90D
Sony A7S
  • $1099
  • APS-C
  • Lens selection
  • Less expensive
  • $1998
  • 35mm
  • Focus peaking
  • Larger sensor

Compare Canon 90D vs Sony A7S

Compared to Canon 80D

Sony A7S II
Canon 80D
  • $2398
  • 35mm
  • Focus peaking
  • Larger sensor
  • $935
  • APS-C
  • Lens selection
  • Less expensive

Compare Sony A7S II 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 A7S II
Nikon D7500
  • $2398
  • 35mm
  • Focus peaking
  • Larger sensor
  • $797
  • APS-C
  • Lens selection
  • Less expensive

Compare Sony A7S II vs Nikon D7500

Canon 90D
Nikon D7500
  • $1099
  • APS-C
  • Tilt-swivel screen
  • On-sensor phase detect
  • $797
  • APS-C
  • Less expensive
  • Bigger pixels

Compare Canon 90D vs Nikon D7500

Compared to Sony A9

Sony A7S II
Sony A9
  • $2398
  • 35mm
  • Less expensive
  • Bigger pixels
  • $2997
  • 35mm
  • Touchscreen
  • Fast startup

Compare Sony A7S II vs Sony A9

Canon 90D
Sony A9
  • $1099
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $2997
  • 35mm
  • Focus peaking
  • Larger sensor

Compare Canon 90D vs Sony A9

Compared to Sony A7S III

Sony A7S II
Sony A7S III
  • $2398
  • 35mm
  • Less expensive
  • $3348
  • 35mm
  • Tilt-swivel screen
  • Slower slow-motion

Compare Sony A7S II vs Sony A7S III

Canon 90D
Sony A7S III
  • $1099
  • APS-C
  • Less expensive
  • Lens selection
  • $3348
  • 35mm
  • Focus peaking
  • Larger sensor

Compare Canon 90D vs Sony A7S III

Compare Other Cameras?