• 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600
  • 35mm 847.3mm2
  • 12.1 megapixels
  • ISO 80 - 102,400

Buy From

Differences

Panasonic G9 advantages over Sony A7S III

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $1498 vs $3498*
    Save money for lenses or accessories
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • More pixels
    20.3 vs 12.1 megapixels
    Higher resolution photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/32000 vs 1/8000 sec
    Shoot wide open in bright light

Sony A7S III advantages over Panasonic G9

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Slower slow-motion
    240 fps vs 180 fps
    Supports slower slow-mo
  • Bigger pixels
    ~ 8.40 vs 3.34 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Thinner
    69 mm vs 91 mm
    Thinner
  • Newer
    4 years vs 7 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    480k vs 347k pixels
    More detail on the screen lets you judge focus and composition
  • More viewfinder magnification
    0.90x vs 0.83x
    Get a bigger view of the scene through the eye-level viewfinder
  • Higher extended ISO
    409600 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

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
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • 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

User reviews

Buy From

Review Excerpt

  • Great build quality; Very good image quality; Effective IBIS; Excellent performance; Fast shooting speeds; 4K/60p video.

  • No phase-detection autofocus; 10-minute limit for 4k60p video clips; No V-Log or 10-bit video.

The Competition

Compared to Olympus E-M1 II

Panasonic G9
Olympus E-M1 II
  • $1065
  • 4/3
  • Built-in Bluetooth
  • Top deck display
  • $949
  • 4/3
  • Less expensive
  • Longer video battery life
Sony A7S III
Olympus E-M1 II
  • $3498
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $949
  • 4/3
  • Lens selection
  • Less expensive

Compared to Panasonic GH5

Panasonic G9
Panasonic GH5
  • $1065
  • 4/3
  • High resolution composite
  • Top deck display
  • $1348
  • 4/3
  • Less expensive
  • Bigger JPEG buffer
Sony A7S III
Panasonic GH5
  • $3498
  • 35mm
  • Larger sensor
  • Slower slow-motion
  • $1348
  • 4/3
  • Lens selection
  • Less expensive

Compared to Panasonic G95

Panasonic G9
Panasonic G95
  • $1065
  • 4/3
  • Slower slow-motion
  • High resolution composite
  • $748
  • 4/3
  • Less expensive
  • In-camera panoramas
Sony A7S III
Panasonic G95
  • $3498
  • 35mm
  • Larger sensor
  • Slower slow-motion
  • $748
  • 4/3
  • Less expensive
  • Lens selection

Compared to Sony A9 II

Panasonic G9
Sony A9 II
  • $1065
  • 4/3
  • Lens selection
  • Less expensive
  • $4498
  • 35mm
  • Larger sensor
  • Bigger pixels
Sony A7S III
Sony A9 II
  • $3498
  • 35mm
  • Less expensive
  • Tilt-swivel screen
  • $4498
  • 35mm
  • On-sensor phase detect
  • More pixels

Compared to Canon R6

Panasonic G9
Canon R6
  • $1065
  • 4/3
  • Less expensive
  • Slower slow-motion
  • $2149
  • 35mm
  • Larger sensor
  • Bigger pixels
Sony A7S III
Canon R6
  • $3498
  • 35mm
  • Slower slow-motion
  • Bigger pixels
  • $2149
  • 35mm
  • Less expensive
  • On-sensor phase detect
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