• 35mm 855.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 25,600

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Differences

Sony A99 advantages over Canon 77D

  • 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
    ~ 5.97 vs 3.72 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Higher effective ISO
    1,555 vs 971 iso
    Take photos in low light with less noise
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • More viewfinder magnification
    0.71x vs 0.51x
    Get a bigger view of the scene through the eye-level viewfinder
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light

Canon 77D advantages over Sony A99

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $799 vs $1998*
    Save money for lenses or accessories
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Fast startup
    ~0.40 vs 0.7 sec
    Faster startup lets you catch the moment
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • 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 600 vs 500 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • More cross-type AF points
    45 vs 3
    Cross-type AF points improve autofocus performance
  • Newer
    20 months vs 6 years old
    Newer cameras often support more advanced features
  • More AF points
    45 vs 19
    More AF points improve autofocus
  • Bigger JPEG buffer
    167 vs 17 shots
    Take more JPEG shots before waiting (burst mode)

Similarities

Common Strengths

  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Top deck display
    Both provide
    Check settings with a screen on top of the camera
  • 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

  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Your purchases support this site

Buy the Canon 77D

Review Excerpt

  • Very good image quality; Improved dynamic range at low ISOs; Very fast autofocus; Dual Pixel CMOS AF in Live View; Much improved RAW buffer depth; 1080/60p video; Quick Control Dial & top-panel LCD screen.

  • Default JPEGs slightly soft straight out of camera; Dynamic range & high ISOs lag behind competing cameras; No 4K video resolution.

The Competition

Compared to Nikon D800

Sony A99
Nikon D800
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
  • $1850
  • 35mm
  • Lens selection
  • Fast startup
Canon 77D
Nikon D800
  • $749
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
  • $1850
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Canon 5D Mark III

Sony A99
Canon 5D Mark III
  • $1998
  • 35mm
  • Less expensive
  • Tilt-swivel screen
  • $2520
  • 35mm
  • Lens selection
  • Fast startup
Canon 77D
Canon 5D Mark III
  • $749
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $2520
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Nikon D800E

Sony A99
Nikon D800E
  • $1998
  • 35mm
  • Focus peaking
  • Tilt-swivel screen
  • $2212
  • 35mm
  • Lens selection
  • Fast startup
Canon 77D
Nikon D800E
  • $749
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
  • $2212
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Canon T6s

Sony A99
Canon T6s
  • $1998
  • 35mm
  • Focus peaking
  • Larger sensor
  • $765
  • APS-C
  • Lens selection
  • Less expensive
Canon 77D
Canon T6s
  • $749
  • APS-C
  • Less expensive
  • Fast startup
  • $765
  • APS-C
  • Bigger JPEG buffer

Compared to Pentax K-70

Sony A99
Pentax K-70
  • $1998
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $595
  • APS-C
  • Lens selection
  • Less expensive
Canon 77D
Pentax K-70
  • $749
  • APS-C
  • Touchscreen
  • Fast startup
  • $595
  • APS-C
  • Focus peaking
  • Larger sensor
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