• 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 32,000
  • 35mm 847.3mm2
  • 12.1 megapixels
  • ISO 80 - 102,400

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Differences

Sony A7R III advantages over Sony A7S III

  • Less expensive
    $2498 vs $3498*
    Save money for lenses or accessories
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • More pixels
    42.4 vs 12.1 megapixels
    Higher resolution photos

Sony A7S III advantages over Sony A7R III

  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Slower slow-motion
    240 fps vs 120 fps
    Supports slower slow-mo
  • Bigger pixels
    ~ 8.40 vs 4.51 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Newer
    Brand new vs 3 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    480k vs 360k pixels
    More detail on the screen lets you judge focus and composition
  • More viewfinder magnification
    0.90x vs 0.78x
    Get a bigger view of the scene through the eye-level viewfinder
  • Higher extended ISO
    409600 vs 102400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • 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
  • NFC
    Both provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • 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

  • Built-in GPS
    Neither provide
    Geotag your photos
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera

User reviews

Buy From

Your purchases support this site

Buy the Sony A7R III

Review Excerpt

  • 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 Sony A7R II

Sony A7R III
Sony A7R II
  • $2498
  • 35mm
  • Touchscreen
  • High resolution composite
  • $1398
  • 35mm
  • Less expensive
  • In-camera panoramas
Sony A7S III
Sony A7R II
  • $3499
  • 35mm
  • Tilt-swivel screen
  • Slower slow-motion
  • $1398
  • 35mm
  • Less expensive
  • On-sensor phase detect

Compared to Sony A7R IV

Sony A7R III
Sony A7R IV
  • $2498
  • 35mm
  • Less expensive
  • Bigger pixels
  • $3198
  • 35mm
  • Fast startup
  • Newer
Sony A7S III
Sony A7R IV
  • $3499
  • 35mm
  • Tilt-swivel screen
  • Slower slow-motion
  • $3198
  • 35mm
  • High resolution composite
  • On-sensor phase detect

Compared to Sony A9 II

Sony A7R III
Sony A9 II
  • $2498
  • 35mm
  • Less expensive
  • High resolution composite
  • $4498
  • 35mm
  • Bigger pixels
  • Newer
Sony A7S III
Sony A9 II
  • $3499
  • 35mm
  • Less expensive
  • Tilt-swivel screen
  • $4498
  • 35mm
  • On-sensor phase detect
  • More pixels

Compared to Canon R5

Sony A7R III
Canon R5
  • $2498
  • 35mm
  • Less expensive
  • High resolution composite
  • $3899
  • 35mm
  • Tilt-swivel screen
  • Top deck display
Sony A7S III
Canon R5
  • $3499
  • 35mm
  • Less expensive
  • Slower slow-motion
  • $3899
  • 35mm
  • On-sensor phase detect
  • Top deck display

Compared to Canon R6

Sony A7R III
Canon R6
  • $2498
  • 35mm
  • High resolution composite
  • NFC
  • $2499
  • 35mm
  • Tilt-swivel screen
  • Bigger pixels
Sony A7S III
Canon R6
  • $3499
  • 35mm
  • Slower slow-motion
  • Bigger pixels
  • $2499
  • 35mm
  • Less expensive
  • On-sensor phase detect
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