• 35mm 847.3mm2
  • 12.1 megapixels
  • ISO 80 - 102,400
  • 35mm 858.0mm2
  • 33.0 megapixels
  • ISO 100 - 51,200

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Differences

Sony A7S III advantages over Sony A7 IV

  • Slower slow-motion
    240 fps vs 120 fps
    Supports slower slow-mo
  • Bigger pixels
    ~ 8.40 vs 5.12 microns
    Better low-light and dynamic range (all else equal)
  • Higher extended ISO
    409600 vs 204800 ISO
    Higher extended ISO can give more low-light flexibility

Sony A7 IV advantages over Sony A7S III

  • Less expensive
    $2298 vs $3198*
    Save money for lenses or accessories
  • Newer
    3 years vs 4 years old
    Newer cameras often support more advanced features
  • More dots on screen
    3680k vs 1440k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    33.0 vs 12.1 megapixels
    Higher resolution photos

Similarities

Common Strengths

  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • 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
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • 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

Review Excerpt

The Competition

Compared to Sony A7S II

Sony A7S III
Sony A7S II
  • $3348
  • 35mm
  • Tilt-swivel screen
  • Slower slow-motion
  • $2398
  • 35mm
  • Less expensive
Sony A7 IV
Sony A7S II
  • $2231
  • 35mm
  • Tilt-swivel screen
  • Touchscreen
  • $2398
  • 35mm
  • Bigger pixels
  • Thinner

Compared to Sony A9 II

Sony A7S III
Sony A9 II
  • $3348
  • 35mm
  • Less expensive
  • Tilt-swivel screen
  • $4498
  • 35mm
  • On-sensor phase detect
  • More pixels
Sony A7 IV
Sony A9 II
  • $2231
  • 35mm
  • Less expensive
  • Tilt-swivel screen
  • $4498
  • 35mm
  • Bigger pixels
  • On-sensor phase detect

Compared to Canon R6

Sony A7S III
Canon R6
  • $3348
  • 35mm
  • Slower slow-motion
  • Bigger pixels
  • $2149
  • 35mm
  • Less expensive
  • On-sensor phase detect
Sony A7 IV
Canon R6
  • $2231
  • 35mm
  • In-camera panoramas
  • NFC
  • $2149
  • 35mm
  • Bigger pixels
  • On-sensor phase detect

Compared to Nikon Z7 II

Sony A7S III
Nikon Z7 II
  • $3348
  • 35mm
  • Tilt-swivel screen
  • Slower slow-motion
  • $2330
  • 35mm
  • Less expensive
  • On-sensor phase detect
Sony A7 IV
Nikon Z7 II
  • $2231
  • 35mm
  • Tilt-swivel screen
  • Bigger pixels
  • $2330
  • 35mm
  • On-sensor phase detect
  • Top deck display

Compared to Nikon Z6 II

Sony A7S III
Nikon Z6 II
  • $3348
  • 35mm
  • Tilt-swivel screen
  • Slower slow-motion
  • $1747
  • 35mm
  • Less expensive
  • On-sensor phase detect
Sony A7 IV
Nikon Z6 II
  • $2231
  • 35mm
  • Tilt-swivel screen
  • In-camera panoramas
  • $1747
  • 35mm
  • Bigger pixels
  • On-sensor phase detect
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