• 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000

Buy From

Differences

Sony A7 III advantages over Sony A6600

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.93 vs 3.92 microns
    Better low-light and dynamic range (all else equal)
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • More viewfinder magnification
    0.78x vs 0.70x
    Get a bigger view of the scene through the eye-level viewfinder
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Bigger JPEG buffer
    163 vs 99 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    204800 vs 102400 ISO
    Higher extended ISO can give more low-light flexibility

Sony A6600 advantages over Sony A7 III

  • Less expensive
    $1798 vs $2198
    Save money for lenses or accessories
  • Longer video battery life
    250 vs 115 minutes
    Capture more video
  • More telephoto lens reach
    203 mm vs 70 mm
    Capture objects farther away with the kit lens
  • Newer
    Brand new vs 18 months old
    Newer cameras often support more advanced features
  • Faster JPEG shooting
    11.0 fps vs 9.9 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    11.0 fps vs 9.7 fps
    Faster RAW shooting in burst mode

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
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • 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
  • 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
  • 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

Review Excerpt

  • New 24MP sensor offers excellent image quality; Outstanding high ISO performance and dynamic range; Improved JPEG colors; Improved build quality; Fast autofocus; Excellent 4K video; Very good battery life.

  • Buffer clearing can be slow even with fast UHS-II cards; UHS-II support only on one card slot; No losslessly compressed RAW option; Dedicated battery charger not included; Menus are still confusing; No built-in flash.

The Competition

Compared to Sony A7 II

Sony A7 III
Sony A7 II
  • $1998
  • 35mm
  • Shoot 4K video
  • Touchscreen
  • $1398
  • 35mm
  • Less expensive
  • In-camera panoramas
Sony A6600
Sony A7 II
  • $1398
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $1398
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Fujifilm X-T2

Sony A7 III
Fujifilm X-T2
  • $1998
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $799
  • APS-C
  • Less expensive
  • In-camera panoramas
Sony A6600
Fujifilm X-T2
  • $1398
  • APS-C
  • In-Camera Image Stabilization
  • Touchscreen
  • $799
  • APS-C
  • Less expensive
  • In-camera panoramas

Compared to Sony A9

Sony A7 III
Sony A9
  • $1998
  • 35mm
  • Less expensive
  • More dynamic range
  • $3498
  • 35mm
  • Fast startup
  • Faster JPEG shooting
Sony A6600
Sony A9
  • $1398
  • APS-C
  • Less expensive
  • Longer video battery life
  • $3498
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Nikon Z6

Sony A7 III
Nikon Z6
  • $1998
  • 35mm
  • NFC
  • Higher effective ISO
  • $1797
  • 35mm
  • Top deck display
  • Newer
Sony A6600
Nikon Z6
  • $1398
  • APS-C
  • Less expensive
  • NFC
  • $1797
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Fujifilm X-T3

Sony A7 III
Fujifilm X-T3
  • $1998
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $1299
  • APS-C
  • Less expensive
  • In-camera panoramas
Sony A6600
Fujifilm X-T3
  • $1398
  • APS-C
  • In-Camera Image Stabilization
  • NFC
  • $1299
  • APS-C
  • In-camera panoramas
  • Higher max flash sync
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