• 1 inch 116.2mm2
  • 20.1 megapixels
  • 25.00mm - 250.00mm (35mm eq.)
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Panasonic ZS100 advantages over Panasonic GX9

  • Less expensive
    $398* vs $798
    Save money for lenses or accessories
  • Higher max flash sync
    1/2000 vs 1/200 sec
    Reduce the effect of ambient light in flash shots
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger JPEG buffer
    Unlimited vs 140 shots
    Take more JPEG shots before waiting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Panasonic GX9 advantages over Panasonic ZS100

  • Larger sensor
    4/3 vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.34 vs 2.41 microns
    Better low-light and dynamic range (all else equal)
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Fast startup
    ~1.00 vs 2.3 sec
    Faster startup lets you catch the moment
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More viewfinder magnification
    0.70x vs 0.46x
    Get a bigger view of the scene through the eye-level viewfinder
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Bigger RAW buffer
    32 vs 14 shots
    Larger buffer for RAW shots (burst mode)

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
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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
  • 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
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

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Your purchases support this site

Buy the Panasonic ZS100

Your purchases support this site

Buy the Panasonic GX9

Review Excerpt

  • Compact camera body; versatile 10x zoom lens; relatively good high ISO performance; fast autofocus; many good 4K video and photo features.

  • Soft lens at longer focal lengths; no tilting display; small electronic viewfinder; slippery finish on the camera body.

  • 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 Olympus Stylus 1s

Panasonic ZS100
Olympus Stylus 1s
  • $498
  • 1 inch
  • Larger sensor
  • Bigger pixels
  • $549
  • 1/1.7 inch
  • Slower slow-motion
  • Tiltable Screen
Panasonic GX9
Olympus Stylus 1s
  • $898
  • 4/3
  • Larger sensor
  • Bigger pixels
  • $549
  • 1/1.7 inch
  • Longer stills battery life
  • Integrated ND filter

Compared to Panasonic GX85

Panasonic ZS100
Panasonic GX85
  • $498
  • 1 inch
  • Less expensive
  • Higher max flash sync
  • $598
  • 4/3
  • Larger sensor
  • Bigger pixels
Panasonic GX9
Panasonic GX85
  • $898
  • 4/3
  • Built-in Bluetooth
  • More telephoto lens reach
  • $598
  • 4/3
  • Less expensive
  • Lighter weight

Compared to Olympus E-M10 III

Panasonic ZS100
Olympus E-M10 III
  • $498
  • 1 inch
  • Less expensive
  • In-camera panoramas
  • $549
  • 4/3
  • Larger sensor
  • Bigger pixels
Panasonic GX9
Olympus E-M10 III
  • $898
  • 4/3
  • In-camera panoramas
  • Built-in Bluetooth
  • $549
  • 4/3
  • Longer stills battery life
  • Lighter weight

Compared to Sony RX100 VI

Panasonic ZS100
Sony RX100 VI
  • $498
  • 1 inch
  • Less expensive
  • More telephoto lens reach
  • $949
  • 1 inch
  • Slower slow-motion
  • Tiltable Screen
Panasonic GX9
Sony RX100 VI
  • $898
  • 4/3
  • Larger sensor
  • Bigger pixels
  • $949
  • 1 inch
  • NFC
  • On-sensor phase detect

Compared to Sony RX100 VII

Panasonic ZS100
Sony RX100 VII
  • $498
  • 1 inch
  • Less expensive
  • More telephoto lens reach
  • $1298
  • 1 inch
  • Slower slow-motion
  • Tiltable Screen
Panasonic GX9
Sony RX100 VII
  • $898
  • 4/3
  • Less expensive
  • Larger sensor
  • $1298
  • 1 inch
  • NFC
  • On-sensor phase detect
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