• 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 Panasonic S5 II

  • 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
  • Thinner
    46 mm vs 81 mm
    Thinner
  • Faster shutter
    1/16000 vs 1/8000 sec
    Shoot wide open in bright light

Panasonic S5 II advantages over Panasonic GX9

  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • 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)
  • 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
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    18 months vs 6 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    613k vs 413k pixels
    More detail on the screen lets you judge focus and composition
  • 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
  • Faster JPEG shooting
    30.0 fps vs 9.2 fps
    Faster JPEG shooting (burst mode)
  • 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
  • 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

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance

User reviews

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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.

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
Panasonic S5 II
Panasonic GX85
  • $2000
  • 35mm
  • Larger sensor
  • Tilt-swivel screen
  • $598
  • 4/3
  • In-camera panoramas
  • Internal flash

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
Panasonic S5 II
Olympus E-M10 III
  • $2000
  • 35mm
  • Tilt-swivel screen
  • Slower slow-motion
  • $549
  • 4/3
  • Internal flash
  • Thinner

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
Panasonic S5 II
Olympus E-PL9
  • $2000
  • 35mm
  • Tilt-swivel screen
  • Slower slow-motion
  • $700
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Nikon Z5

Panasonic GX9
Nikon Z5
  • $898
  • 4/3
  • Less expensive
  • In-camera panoramas
  • $1147
  • 35mm
  • Larger sensor
  • Bigger pixels
Panasonic S5 II
Nikon Z5
  • $2000
  • 35mm
  • Tilt-swivel screen
  • High resolution composite
  • $1147
  • 35mm
  • On-sensor phase detect
  • Has anti-aliasing filter

Compared to Panasonic S5 IIX

Panasonic GX9
Panasonic S5 IIX
  • $898
  • 4/3
  • In-camera panoramas
  • Internal flash
  • $2200
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
Panasonic S5 II
Panasonic S5 IIX
  • $2000
  • 35mm
  • $2200
  • 35mm
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