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

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Differences

Canon 1DX Mark II advantages over Panasonic GX850

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 6.58 vs 3.77 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.80 vs 2.0 sec
    Faster startup lets you catch the moment
  • Higher effective ISO
    3,207 vs 586 iso
    Take photos in low light with less noise
  • 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 210 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
  • Higher max flash sync
    1/250 vs 1/50 sec
    Reduce the effect of ambient light in flash shots
  • More dots on screen
    1620k vs 1040k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Less shutter lag
    0.09 vs 0.23 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    20.2 vs 16.0 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
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Faster JPEG shooting
    14.0 fps vs 9.3 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 114 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    14.1 fps vs 9.5 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    Unlimited vs 17 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 GX850 advantages over Canon 1DX Mark II

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • 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
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    33 mm vs 82 mm
    Thinner
  • 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

  • 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
  • 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
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity

User reviews

Buy From

Your purchases support this site

Buy the Panasonic GX850

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.

  • Impressive image quality; Sleek design; 4K video recording; Good overall performance; Tilting touchscreen; Enjoyable user experience.

  • No EVF; No hot shoe, Short 4K clip limit; MicroSD card slot, Poor battery life.

The Competition

Compared to Canon EOS-1D C

Canon 1DX Mark II
Canon EOS-1D C
  • $2999
  • 35mm
  • Touchscreen
  • Built-in GPS
  • $6989
  • 35mm
Panasonic GX850
Canon EOS-1D C
  • $548
  • 4/3
  • Focus peaking
  • Less expensive
  • $6989
  • 35mm
  • Larger sensor
  • Eye-level viewfinder

Compared to Nikon D4S

Canon 1DX Mark II
Nikon D4S
  • $2999
  • 35mm
  • Less expensive
  • Shoot 4K video
  • $5399
  • 35mm
  • Fast startup
  • Longer stills battery life
Panasonic GX850
Nikon D4S
  • $548
  • 4/3
  • Focus peaking
  • Shoot 4K video
  • $5399
  • 35mm
  • Larger sensor
  • Eye-level viewfinder

Compared to Panasonic GM5

Canon 1DX Mark II
Panasonic GM5
  • $2999
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $898
  • 4/3
  • Focus peaking
  • In-camera panoramas
Panasonic GX850
Panasonic GM5
  • $548
  • 4/3
  • Less expensive
  • Shoot 4K video
  • $898
  • 4/3
  • Eye-level viewfinder
  • Fast startup

Compared to Panasonic GF7

Canon 1DX Mark II
Panasonic GF7
  • $2999
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
  • $590
  • 4/3
  • Focus peaking
  • In-camera panoramas
Panasonic GX850
Panasonic GF7
  • $548
  • 4/3
  • Shoot 4K video
  • Lacks anti-aliasing filter
  • $590
  • 4/3
  • Fast startup
  • Has anti-aliasing filter

Compared to Nikon D5

Canon 1DX Mark II
Nikon D5
  • $2999
  • 35mm
  • Higher effective ISO
  • Built-in GPS
  • $4891
  • 35mm
  • Fast startup
  • Longer stills battery life
Panasonic GX850
Nikon D5
  • $548
  • 4/3
  • Focus peaking
  • In-camera panoramas
  • $4891
  • 35mm
  • Larger sensor
  • Eye-level viewfinder
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