• APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 25,600
  • 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 32,000

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Differences

Canon 77D advantages over Sony A7R III

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $799 vs $1998
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Fast startup
    ~0.40 vs 1.7 sec
    Faster startup lets you catch the moment
  • 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
  • Less shutter lag
    0.09 vs 0.25 sec
    Focus and take a photo quickly (wide angle)
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger JPEG buffer
    167 vs 82 shots
    Take more JPEG shots before waiting (burst mode)

Sony A7R III 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
    ~ 4.51 vs 3.72 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Better color depth
    26.0 vs 23.6 bits
    Capture richer, more accurate colors
  • Higher effective ISO
    3,523 vs 971 iso
    Take photos in low light with less noise
  • More dynamic range
    14.7 vs 13.3 evs
    Retain detail in highlight and shadows
  • More viewfinder magnification
    0.78x vs 0.51x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    42.4 vs 24.2 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Faster JPEG shooting
    9.9 fps vs 6.0 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    9.2 fps vs 6.0 fps
    Faster RAW shooting in burst mode
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    102400 vs 51200 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
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • NFC
    Both provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • 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

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in GPS
    Neither provide
    Geotag your photos

User reviews

Buy From

Your purchases support this site

Buy the Sony A7R III

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.

  • Fantastic image quality; Improved dynamic range over its predecessor; Very good high ISO performance; Much improved real-world AF performance; Class-leading burst rates, even with RAW; Improved 5-axis in-body image stabilization; Better 4K video quality; 1080/120fps video; Dual card slots; Significantly better battery life.

  • Expensive; Menus still confusing; UHS-II support only on one card slot; No optical low-pass filter means greater risk of moire; No built-in flash; Buffer clearing still slow despite UHS-II support.

The Competition

Compared to Canon T6s

Canon 77D
Canon T6s
  • $550
  • APS-C
  • Fast startup
  • Built-in Bluetooth
  • $619
  • APS-C
  • Bigger JPEG buffer
Sony A7R III
Canon T6s
  • $2248
  • 35mm
  • Focus peaking
  • Larger sensor
  • $619
  • APS-C
  • Lens selection
  • Less expensive

Compared to Sony A7R II

Canon 77D
Sony A7R II
  • $550
  • APS-C
  • Lens selection
  • Less expensive
  • $2898
  • 35mm
  • Focus peaking
  • Larger sensor
Sony A7R III
Sony A7R II
  • $2248
  • 35mm
  • Less expensive
  • Touchscreen
  • $2898
  • 35mm
  • In-camera panoramas

Compared to Sony A68

Canon 77D
Sony A68
  • $550
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $598
  • APS-C
  • Less expensive
  • Focus peaking
Sony A7R III
Sony A68
  • $2248
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $598
  • APS-C
  • Less expensive
  • In-camera panoramas

Compared to Pentax K-70

Canon 77D
Pentax K-70
  • $550
  • APS-C
  • Touchscreen
  • Fast startup
  • $597
  • APS-C
  • Focus peaking
  • Larger sensor
Sony A7R III
Pentax K-70
  • $2248
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $597
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Nikon Z7 II

Canon 77D
Nikon Z7 II
  • $550
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $2530
  • 35mm
  • Focus peaking
  • Larger sensor
Sony A7R III
Nikon Z7 II
  • $2248
  • 35mm
  • Less expensive
  • High resolution composite
  • $2530
  • 35mm
  • Top deck display
  • Newer
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