• 35mm 849.7mm2
  • 61.0 megapixels
  • ISO 100 - 32,000
  • 35mm 864.0mm2
  • 20.1 megapixels
  • ISO 100 - 102,400

Buy From

Differences

Sony A7R IV advantages over Canon 1DX Mark III

  • Less expensive
    $3164 vs $6499
    Save money for lenses or accessories
  • 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
  • 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
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Lighter weight
    665g vs 1440g
    Lighter weight
  • More pixels
    61.0 vs 20.1 megapixels
    Higher resolution photos
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos

Canon 1DX Mark III advantages over Sony A7R IV

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Bigger pixels
    ~ 6.58 vs 3.76 microns
    Better low-light and dynamic range (all else equal)
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 2850 vs 670 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • More dots on screen
    2100k vs 1440k dots
    Can mean greater resolution or a brighter screen
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Faster JPEG shooting
    20.0 fps vs 10.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 70 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    20.0 fps vs 7.2 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    Unlimited vs 32 shots
    Larger buffer for RAW shots (burst mode)
  • Higher extended ISO
    819200 vs 102400 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
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • 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
  • 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

Review Excerpt

  • Outstanding image quality; Excellent high ISOs; Fast AF performance with Eye-AF tracking; 10fps bursts at full-resolution; Improved ergonomics; Dual UHS-II card slots; Higher-res EVF.

  • Expensive; No 4Kp60; Buffer clearing could be faster; Menus are still frustrating; Touchscreen underutilized; No built-in flash.

The Competition

Compared to Nikon D5

Sony A7R IV
Nikon D5
  • $3331
  • 35mm
  • Focus peaking
  • In-Camera Image Stabilization
  • $4911
  • 35mm
  • Lens selection
  • Bigger pixels
Canon 1DX Mark III
Nikon D5
  • $6499
  • 35mm
  • Built-in Wi-Fi
  • Built-in Bluetooth
  • $4911
  • 35mm
  • Less expensive
  • Longer stills battery life

Compared to Nikon D6

Sony A7R IV
Nikon D6
  • $3331
  • 35mm
  • Focus peaking
  • In-Camera Image Stabilization
  • $6500
  • 35mm
  • Lens selection
  • Bigger pixels
Canon 1DX Mark III
Nikon D6
  • $6499
  • 35mm
  • Built-in Wi-Fi
  • On-sensor phase detect
  • $6500
  • 35mm
  • Longer exposure

Compared to Canon R5

Sony A7R IV
Canon R5
  • $3331
  • 35mm
  • Less expensive
  • High resolution composite
  • $3349
  • 35mm
  • Tilt-swivel screen
  • Bigger pixels
Canon 1DX Mark III
Canon R5
  • $6499
  • 35mm
  • Bigger pixels
  • Built-in GPS
  • $3349
  • 35mm
  • Less expensive
  • Tilt-swivel screen

Compared to Nikon Z7 II

Sony A7R IV
Nikon Z7 II
  • $3331
  • 35mm
  • High resolution composite
  • NFC
  • $2497
  • 35mm
  • Less expensive
  • Bigger pixels
Canon 1DX Mark III
Nikon Z7 II
  • $6499
  • 35mm
  • Bigger pixels
  • Built-in GPS
  • $2497
  • 35mm
  • Less expensive
  • Focus peaking

Compared to Sony A1

Sony A7R IV
Sony A1
  • $3331
  • 35mm
  • Less expensive
  • High resolution composite
  • $6498
  • 35mm
  • Slower slow-motion
  • Longer video battery life
Canon 1DX Mark III
Sony A1
  • $6499
  • 35mm
  • Lens selection
  • Bigger pixels
  • $6498
  • 35mm
  • Focus peaking
  • Slower slow-motion
Compare Other Cameras?