• 1/2.3 inch 28.1mm2
  • 20.4 megapixels
  • 24.00mm - 1200.00mm (35mm eq.)
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Sony HX400V advantages over Panasonic GX9

  • Less expensive
    $398* vs $898
    Save money for lenses or accessories
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 380 vs 260 shots
    Capture more photos

Panasonic GX9 advantages over Sony HX400V

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    4/3 vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.34 vs 1.19 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Thinner
    46 mm vs 103 mm
    Thinner
  • Newer
    8 months vs 5 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    413k vs 307k pixels
    More detail on the screen lets you judge focus and composition
  • Less shutter lag
    0.14 vs 0.34 sec
    Focus and take a photo quickly (wide angle)
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Bigger JPEG buffer
    140 vs 10 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 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
  • 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
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • 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
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • 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
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Your purchases support this site

Buy the Panasonic GX9

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 Sony HX300

Sony HX400V
Sony HX300
  • $398
  • 1/2.3 inch
  • In-camera panoramas
  • Built-in Wi-Fi
  • $398
  • 1/2.3 inch
  • Focus peaking
Panasonic GX9
Sony HX300
  • $898
  • 4/3
  • Larger sensor
  • Bigger pixels
  • $398
  • 1/2.3 inch
  • Less expensive

Compared to Fujifilm S1

Sony HX400V
Fujifilm S1
  • $398
  • 1/2.3 inch
  • Built-in GPS
  • Shoots 24p video
  • $349
  • 1/2.3 inch
  • Focus peaking
  • Tilt-swivel screen
Panasonic GX9
Fujifilm S1
  • $898
  • 4/3
  • Larger sensor
  • Bigger pixels
  • $349
  • 1/2.3 inch
  • Less expensive
  • Tilt-swivel screen

Compared to Fujifilm S9400W

Sony HX400V
Fujifilm S9400W
  • $398
  • 1/2.3 inch
  • Tiltable Screen
  • Built-in GPS
  • $330
  • 1/2.3 inch
  • Longer stills battery life
  • Slow-motion videos
Panasonic GX9
Fujifilm S9400W
  • $898
  • 4/3
  • Focus peaking
  • Larger sensor
  • $330
  • 1/2.3 inch
  • Longer stills battery life
  • Slow-motion videos

Compared to Panasonic GX85

Sony HX400V
Panasonic GX85
  • $398
  • 1/2.3 inch
  • Less expensive
  • NFC
  • $565
  • 4/3
  • Focus peaking
  • Larger sensor
Panasonic GX9
Panasonic GX85
  • $898
  • 4/3
  • Built-in Bluetooth
  • More telephoto lens reach
  • $565
  • 4/3
  • Less expensive
  • Lighter weight

Compared to Olympus E-M10 III

Sony HX400V
Olympus E-M10 III
  • $398
  • 1/2.3 inch
  • Less expensive
  • In-camera panoramas
  • $499
  • 4/3
  • Focus peaking
  • Larger sensor
Panasonic GX9
Olympus E-M10 III
  • $898
  • 4/3
  • In-camera panoramas
  • Built-in Bluetooth
  • $499
  • 4/3
  • Less expensive
  • Longer stills battery life
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