• 35mm 864.0mm2
  • 20.2 megapixels
  • ISO 100 - 51,200
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Canon 1DX Mark II advantages over Panasonic GX9

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 6.58 vs 3.34 microns
    Better low-light and dynamic range (all else equal)
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 1210 vs 260 shots
    Capture more photos
  • 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
  • More dots on screen
    1620k vs 1240k dots
    Can mean greater resolution or a brighter screen
  • More viewfinder magnification
    0.76x vs 0.70x
    Get a bigger view of the scene through the eye-level viewfinder
  • 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
  • Faster JPEG shooting
    14.0 fps vs 9.2 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 140 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    14.1 fps vs 9.1 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    Unlimited vs 32 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    409600 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Panasonic GX9 advantages over Canon 1DX Mark II

  • Less expensive
    $998 vs $6299
    Save money for lenses or accessories
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    46 mm vs 82 mm
    Thinner
  • Newer
    7 months vs 3 years old
    Newer cameras often support more advanced features
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • 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

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • 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
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones

User reviews

Buy From

Your purchases support this site

Buy the Canon 1DX Mark II

Your purchases support this site

Buy the Panasonic GX9

Review Excerpt

  • Excellent image quality, especially from RAWs; Fantastic high ISO performance; Fast autofocus with great tracking performance; 14fps burst rate; Amazing buffer capacity; 4K 60p video; Robust build quality.

  • Very heavy, bulky and expensive; Dual memory card slots use different formats; 29:59 continuous video recording limit; Touchscreen feels underutilized.

The Competition

Compared to Canon EOS-1D C

Canon 1DX Mark II
Canon EOS-1D C
  • $5499
  • 35mm
  • Touchscreen
  • Built-in GPS
  • $6989
  • 35mm
Panasonic GX9
Canon EOS-1D C
  • $998
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $6989
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Nikon D4S

Canon 1DX Mark II
Nikon D4S
  • $5499
  • 35mm
  • Shoot 4K video
  • Touchscreen
  • $6183
  • 35mm
  • Fast startup
  • Longer stills battery life
Panasonic GX9
Nikon D4S
  • $998
  • 4/3
  • Less expensive
  • Focus peaking
  • $6183
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Nikon D5

Canon 1DX Mark II
Nikon D5
  • $5499
  • 35mm
  • Higher effective ISO
  • Built-in GPS
  • $6497
  • 35mm
  • Fast startup
  • Longer stills battery life
Panasonic GX9
Nikon D5
  • $998
  • 4/3
  • Less expensive
  • Focus peaking
  • $6497
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Panasonic GX85

Canon 1DX Mark II
Panasonic GX85
  • $5499
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $598
  • 4/3
  • Focus peaking
  • Less expensive
Panasonic GX9
Panasonic GX85
  • $998
  • 4/3
  • Built-in Bluetooth
  • More telephoto lens reach
  • $598
  • 4/3
  • Less expensive
  • Lighter weight

Compared to Olympus E-M10 III

Canon 1DX Mark II
Olympus E-M10 III
  • $5499
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $599
  • 4/3
  • Focus peaking
  • Less expensive
Panasonic GX9
Olympus E-M10 III
  • $998
  • 4/3
  • In-camera panoramas
  • Built-in Bluetooth
  • $599
  • 4/3
  • Less expensive
  • Longer stills battery life
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