• 1 inch 116.2mm2
  • 20.2 megapixels
  • 28.00mm - 84.00mm (35mm eq.)
  • 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200

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Differences

Canon G9X advantages over Sony A7 III

  • Less expensive
    $399* vs $2098
    Save money for lenses or accessories
  • 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
    30 mm vs 73 mm
    Thinner
  • Higher max flash sync
    1/2000 vs 1/250 sec
    Reduce the effect of ambient light in flash shots
  • Bigger RAW buffer
    Unlimited vs 33 shots
    Larger buffer for RAW shots (burst mode)

Sony A7 III advantages over Canon G9X

  • Larger sensor
    35mm vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 5.93 vs 2.41 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Fast startup
    ~1.70 vs 2.3 sec
    Faster startup lets you catch the moment
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Better color depth
    25.0 vs 21.5 bits
    Capture richer, more accurate colors
  • Higher effective ISO
    3,730 vs 495 iso
    Take photos in low light with less noise
  • More dynamic range
    14.7 vs 12.3 evs
    Retain detail in highlight and shadows
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 710 vs 220 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    6 months vs 3 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Less shutter lag
    0.20 vs 0.29 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    24.2 vs 20.2 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Faster JPEG shooting
    9.9 fps vs 6.5 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    163 vs 10 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    9.7 fps vs 0.8 fps
    Faster RAW shooting in 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 12800 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
  • 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
  • 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
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

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
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera

User reviews

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Your purchases support this site

Buy the Canon G9X

Your purchases support this site

Buy the Sony A7 III

Review Excerpt

  • Smallest 1-inch sensor camera available; Slips in a pants pocket almost unnoticed; Bright lens at wide-angle; Great image quality; Swift 6.5 fps JPEG burst shooting; Intuitive touch-screen control; In-camera Wi-Fi gets images onto your phone easily

  • Limited 3x zoom range; Tighter wide-angle than competitors; JPEG buffer limited to 10 frames; very slow bracketing / raw burst shooting; Touch-screen menus take lots of tapping; Poor battery life

  • 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 RX100

Canon G9X
Sony RX100
  • $414
  • 1 inch
  • Touchscreen
  • Built-in Wi-Fi
  • $368
  • 1 inch
  • In-camera panoramas
  • More telephoto lens reach
Sony A7 III
Sony RX100
  • $1965
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
  • $368
  • 1 inch
  • Less expensive
  • In-camera panoramas

Compared to Sony RX100 II

Canon G9X
Sony RX100 II
  • $414
  • 1 inch
  • Less expensive
  • Touchscreen
  • $548
  • 1 inch
  • In-camera panoramas
  • Tiltable Screen
Sony A7 III
Sony RX100 II
  • $1965
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
  • $548
  • 1 inch
  • Less expensive
  • In-camera panoramas

Compared to Canon G9X Mark II

Canon G9X
Canon G9X Mark II
  • $414
  • 1 inch
  • Bigger RAW buffer
  • $429
  • 1 inch
  • Fast startup
  • Built-in Bluetooth
Sony A7 III
Canon G9X Mark II
  • $1965
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
  • $429
  • 1 inch
  • Less expensive
  • Fast startup

Compared to Nikon Z6

Canon G9X
Nikon Z6
  • $414
  • 1 inch
  • Less expensive
  • NFC
  • $1997
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
Sony A7 III
Nikon Z6
  • $1965
  • 35mm
  • Less expensive
  • NFC
  • $1997
  • 35mm
  • Top deck display
  • More dots on screen

Compared to Canon EOS R

Canon G9X
Canon EOS R
  • $414
  • 1 inch
  • Less expensive
  • In-Camera Image Stabilization
  • $2299
  • 35mm
  • Larger sensor
  • Tilt-swivel screen
Sony A7 III
Canon EOS R
  • $1965
  • 35mm
  • Less expensive
  • In-Camera Image Stabilization
  • $2299
  • 35mm
  • Tilt-swivel screen
  • More telephoto lens reach
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