• 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600
  • 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200

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Differences

Panasonic GX9 advantages over Sony A7 III

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $798 vs $1498
    Save money for lenses or accessories
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Fast startup
    ~1.00 vs 1.7 sec
    Faster startup lets you catch the moment
  • More telephoto lens reach
    120 mm vs 70 mm
    Capture objects farther away with the kit lens
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    46 mm vs 73 mm
    Thinner
  • Lighter weight
    660g vs 945g
    Lighter weight
  • Higher-res screen
    413k vs 307k pixels
    More detail on the screen lets you judge focus and composition
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Wider angle kit lens
    24 mm vs 28 mm
    Capture more of the scene with the included lens
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/16000 vs 1/8000 sec
    Shoot wide open in bright light

Sony A7 III advantages over Panasonic GX9

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.93 vs 3.34 microns
    Better low-light and dynamic range (all else equal)
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Longer video battery life
    115 vs 70 minutes
    Capture more video
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 710 vs 260 shots
    Capture more photos
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More viewfinder magnification
    0.78x vs 0.70x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.2 vs 20.3 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
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    204800 vs 25600 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
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • 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

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • 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

  • Great image quality; Good high ISO performance for its class; Improved JPEG processing; Fast autofocus; Fast ~9fps burst mode.

  • Smallish field-sequential EVF; Below average battery life; No mic/headphone jacks; Noticeable crop on 4K video.

  • Read our Panasonic GX9 Review

  • 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 Panasonic GX85

Panasonic GX9
Panasonic GX85
  • $898
  • 4/3
  • Built-in Bluetooth
  • More telephoto lens reach
  • $598
  • 4/3
  • Less expensive
  • Lighter weight

Compare Panasonic GX9 vs Panasonic GX85

Sony A7 III
Panasonic GX85
  • $1531
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $598
  • 4/3
  • Lens selection
  • Less expensive

Compare Sony A7 III vs Panasonic GX85

Compared to Olympus E-M10 III

Panasonic GX9
Olympus E-M10 III
  • $898
  • 4/3
  • In-camera panoramas
  • Built-in Bluetooth
  • $549
  • 4/3
  • Longer stills battery life
  • Lighter weight

Compare Panasonic GX9 vs Olympus E-M10 III

Sony A7 III
Olympus E-M10 III
  • $1531
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $549
  • 4/3
  • Lens selection
  • Less expensive

Compare Sony A7 III vs Olympus E-M10 III

Compared to Olympus E-PL9

Panasonic GX9
Olympus E-PL9
  • $898
  • 4/3
  • Eye-level viewfinder
  • More telephoto lens reach
  • $700
  • 4/3
  • Longer stills battery life
  • Lighter weight

Compare Panasonic GX9 vs Olympus E-PL9

Sony A7 III
Olympus E-PL9
  • $1531
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
  • $700
  • 4/3
  • Lens selection
  • In-camera panoramas

Compare Sony A7 III vs Olympus E-PL9

Compared to Nikon Z6

Panasonic GX9
Nikon Z6
  • $898
  • 4/3
  • Less expensive
  • In-camera panoramas
  • $1396
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Panasonic GX9 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

Panasonic GX9
Nikon Z6 II
  • $898
  • 4/3
  • Less expensive
  • In-camera panoramas
  • $1747
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Panasonic GX9 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

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