• 35mm 864.0mm2
  • 20.2 megapixels
  • ISO 100 - 51,200
  • 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 32,000

Buy From

Differences

Canon 1DX Mark II advantages over Sony A7R III

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Bigger pixels
    ~ 6.58 vs 4.51 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.80 vs 1.7 sec
    Faster startup lets you catch the moment
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 1210 vs 650 shots
    Capture more photos
  • 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
  • Faster JPEG shooting
    14.0 fps vs 9.9 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 82 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    14.1 fps vs 9.2 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    Unlimited vs 30 shots
    Larger buffer for RAW shots (burst mode)
  • Higher extended ISO
    409600 vs 102400 ISO
    Higher extended ISO can give more low-light flexibility

Sony A7R III advantages over Canon 1DX Mark II

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Less expensive
    $3896 vs $6299
    Save money for lenses or accessories
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • 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
  • Newer
    10 months vs 2 years old
    Newer cameras often support more advanced features
  • Lighter weight
    657g vs 1544g
    Lighter weight
  • More pixels
    42.4 vs 20.2 megapixels
    Higher resolution photos
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos

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
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • 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
  • Dual card slots
    Both provide
    Gives you more storage flexibility
  • 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

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash

User reviews

Buy From

Your purchases support this site

Buy the Canon 1DX Mark II

Your purchases support this site

Buy the Sony A7R III

Review Excerpt

  • Excellent image quality, especially from RAWs; Fantastic high ISO performance; Fast autofocus with great tracking performance; 14fps burst rate; Amazing buffer capacity; 4K 60p video; Robust build quality.

  • Very heavy, bulky and expensive; Dual memory card slots use different formats; 29:59 continuous video recording limit; Touchscreen feels underutilized.

  • 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 EOS-1D C

Canon 1DX Mark II
Canon EOS-1D C
  • $5499
  • 35mm
  • Touchscreen
  • Built-in GPS
  • $6989
  • 35mm
Sony A7R III
Canon EOS-1D C
  • $2965
  • 35mm
  • Focus peaking
  • In-Camera Image Stabilization
  • $6989
  • 35mm
  • Lens selection
  • Bigger pixels

Compared to Nikon D4S

Canon 1DX Mark II
Nikon D4S
  • $5499
  • 35mm
  • Shoot 4K video
  • Touchscreen
  • $6183
  • 35mm
  • Fast startup
  • Longer stills battery life
Sony A7R III
Nikon D4S
  • $2965
  • 35mm
  • Less expensive
  • Focus peaking
  • $6183
  • 35mm
  • Lens selection
  • Bigger pixels

Compared to Sony A7R II

Canon 1DX Mark II
Sony A7R II
  • $5499
  • 35mm
  • Lens selection
  • Bigger pixels
  • $1798
  • 35mm
  • Less expensive
  • Focus peaking
Sony A7R III
Sony A7R II
  • $2965
  • 35mm
  • Touchscreen
  • High resolution composite
  • $1798
  • 35mm
  • Less expensive
  • In-camera panoramas

Compared to Nikon D5

Canon 1DX Mark II
Nikon D5
  • $5499
  • 35mm
  • Higher effective ISO
  • Built-in GPS
  • $6497
  • 35mm
  • Fast startup
  • Longer stills battery life
Sony A7R III
Nikon D5
  • $2965
  • 35mm
  • Less expensive
  • Focus peaking
  • $6497
  • 35mm
  • Lens selection
  • Bigger pixels

Compared to Canon EOS R

Canon 1DX Mark II
Canon EOS R
  • $5499
  • 35mm
  • Bigger pixels
  • Fast startup
  • $2299
  • 35mm
  • Less expensive
  • Tilt-swivel screen
Sony A7R III
Canon EOS R
  • $2965
  • 35mm
  • In-Camera Image Stabilization
  • High resolution composite
  • $2299
  • 35mm
  • Tilt-swivel screen
  • Bigger pixels
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