• APS-C 372.9mm2
  • 12.3 megapixels
  • ISO 200 - 3200
  • APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600

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Differences

Nikon D90 advantages over Sony A77 II

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Bigger pixels
    ~ 5.50 vs 3.92 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.30 vs 0.8 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 850 vs 480 shots
    Capture more photos
  • More telephoto lens reach
    158 mm vs 75 mm
    Capture objects farther away with the kit lens
  • Bigger JPEG buffer
    Unlimited vs 26 shots
    Take more JPEG shots before waiting (burst mode)

Sony A77 II advantages over Nikon D90

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • 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
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More cross-type AF points
    15 vs 1
    Cross-type AF points improve autofocus performance
  • Newer
    10 years vs 16 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
    0.09 vs 0.21 sec
    Focus and take a photo quickly (wide angle)
  • More viewfinder magnification
    0.73x vs 0.63x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.3 vs 12.3 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • More AF points
    79 vs 11
    More AF points improve autofocus
  • Wider angle kit lens
    24 mm vs 27 mm
    Capture more of the scene with the included lens
  • Faster JPEG shooting
    11.5 fps vs 4.5 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    12.0 fps vs 4.1 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    28 vs 10 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    51200 vs 6400 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
  • Top deck display
    Both provide
    Check settings with a screen on top of the camera
  • 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

  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Buy the Nikon D90

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Buy the Sony A77 II
Body Only
  • Body Only
  • Kit with 16-50mm Lens
All A77 II Deals

Review Excerpt

  • Excellent image quality, especially lower ISOs; Improved high ISO performance when using RAW; Very good dynamic range; High-resolution images; Very fast single-shot autofocus; 12fps burst mode with C-AF; Good value for its class.

  • Lackluster continuous AF performance; Strong NR processing in high ISO JPEGs; Sluggish buffer clearing; Short battery life compared to most DSLRs; Joystick control easy to press accidentally.

  • Read our Sony A77 II Review

The Competition

Compared to Sony DSLR-A550

Nikon D90
Sony DSLR-A550
  • $1300
  • APS-C
  • Lens selection
  • Fast startup
  • $859
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization

Compare Nikon D90 vs Sony DSLR-A550

Sony A77 II
Sony DSLR-A550
  • $1198
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
  • $859
  • APS-C
  • Bigger pixels
  • Fast startup

Compare Sony A77 II vs Sony DSLR-A550

Compared to Sony DSLR-A500

Nikon D90
Sony DSLR-A500
  • $1300
  • APS-C
  • Lens selection
  • Fast startup
  • $850
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization

Compare Nikon D90 vs Sony DSLR-A500

Sony A77 II
Sony DSLR-A500
  • $1198
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
  • $850
  • APS-C
  • Bigger pixels
  • Fast startup

Compare Sony A77 II vs Sony DSLR-A500

Compared to Pentax K-5

Nikon D90
Pentax K-5
  • $1300
  • APS-C
  • Fast startup
  • More telephoto lens reach
  • $800
  • APS-C
  • In-Camera Image Stabilization
  • Higher effective ISO

Compare Nikon D90 vs Pentax K-5

Sony A77 II
Pentax K-5
  • $1198
  • APS-C
  • Focus peaking
  • Tilt-swivel screen
  • $800
  • APS-C
  • Lens selection
  • Less expensive

Compare Sony A77 II vs Pentax K-5

Compared to Canon 70D

Nikon D90
Canon 70D
  • $1300
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $1149
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compare Nikon D90 vs Canon 70D

Sony A77 II
Canon 70D
  • $1198
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $1149
  • APS-C
  • Lens selection
  • Less expensive

Compare Sony A77 II vs Canon 70D

Compared to Nikon D7200

Nikon D90
Nikon D7200
  • $1300
  • APS-C
  • Bigger pixels
  • Fast startup
  • $1016
  • APS-C
  • Built-in Wi-Fi
  • NFC

Compare Nikon D90 vs Nikon D7200

Sony A77 II
Nikon D7200
  • $1198
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
  • $1016
  • APS-C
  • Lens selection
  • Fast startup

Compare Sony A77 II vs Nikon D7200

Compare Other Cameras?