• APS-C 332.3mm2
  • 24.2 megapixels
  • 24.00mm - 72.00mm (35mm eq.)
  • 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200

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Differences

Canon G1X Mark III advantages over Sony A7 III

  • Less expensive
    $999* vs $1498
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • Thinner
    51 mm vs 73 mm
    Thinner
  • Higher max flash sync
    1/2000 vs 1/250 sec
    Reduce the effect of ambient light in flash shots

Sony A7 III advantages over Canon G1X Mark III

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.93 vs 3.72 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Longer video battery life
    115 vs 85 minutes
    Capture more video
  • Longer stills battery life
    More info 710 vs 200 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Bigger JPEG buffer
    163 vs 23 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    33 vs 16 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/8000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    204800 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • 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
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • 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
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera

User reviews

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  • Body Only
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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.

  • Read our Sony A7 III Review

The Competition

Compared to Canon G1X

Canon G1X Mark III
Canon G1X
  • $999
  • APS-C
  • Focus peaking
  • Larger sensor
  • $576
  • 1.5 inch
  • Bigger pixels
  • More telephoto lens reach

Compare Canon G1X Mark III vs Canon G1X

Sony A7 III
Canon G1X
  • $1531
  • 35mm
  • Focus peaking
  • Larger sensor
  • $576
  • 1.5 inch
  • Tilt-swivel screen
  • Internal flash

Compare Sony A7 III vs Canon G1X

Compared to Leica X-E (Typ 102)

Canon G1X Mark III
Leica X-E (Typ 102)
  • $999
  • APS-C
  • Focus peaking
  • Tilt-swivel screen
  • $1534
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Canon G1X Mark III vs Leica X-E (Typ 102)

Sony A7 III
Leica X-E (Typ 102)
  • $1531
  • 35mm
  • Focus peaking
  • Larger sensor
  • $1534
  • APS-C
  • Internal flash
  • Thinner

Compare Sony A7 III vs Leica X-E (Typ 102)

Compared to Fujifilm X70

Canon G1X Mark III
Fujifilm X70
  • $999
  • APS-C
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $699
  • APS-C
  • Less expensive
  • Larger sensor

Compare Canon G1X Mark III vs Fujifilm X70

Sony A7 III
Fujifilm X70
  • $1531
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
  • $699
  • APS-C
  • Less expensive
  • In-camera panoramas

Compare Sony A7 III vs Fujifilm X70

Compared to Nikon Z6

Canon G1X Mark III
Nikon Z6
  • $999
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $1396
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Canon G1X Mark III vs Nikon Z6

Sony A7 III
Nikon Z6
  • $1531
  • 35mm
  • Less expensive
  • NFC
  • $1396
  • 35mm
  • Top deck display
  • More dots on screen

Compare Sony A7 III vs Nikon Z6

Compared to Nikon Z6 II

Canon G1X Mark III
Nikon Z6 II
  • $999
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $1747
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Canon G1X Mark III vs Nikon Z6 II

Sony A7 III
Nikon Z6 II
  • $1531
  • 35mm
  • Less expensive
  • NFC
  • $1747
  • 35mm
  • Top deck display
  • Newer

Compare Sony A7 III vs Nikon Z6 II

Compare Other Cameras?