Canon EOS M6 Mark II vs Canon 1DX Mark III

Canon 1DX Mark III advantages over Canon EOS M6 Mark II

• Lens selection
  Excellent vs Limited
  Better lens selection gives you more options
• Larger sensor
  35mm vs APS-C
  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 3.23 microns
  Better low-light and dynamic range (all else equal)
• Built-in GPS
  GPS vs None
  Geotag your photos
• Longer stills battery life
  More info

  Longer stills battery life

  Cameras with longer battery life can take more photos before exhausting their batteries.

  Special note: The measurement standard for battery life stipulates that if a camera has an internal flash, it must be used for 50% of photos taken. For this reason, comparisons of one camera with an internal flash to another without will not be comparable

  2850 vs 305 shots
  Capture more photos
• Top deck display
  Yes vs No
  Check settings with a screen on top of the camera
• Shoots 24p video
  Yes vs No
  Gives your movies a big-screen feel
• More dots on screen
  2100k vs 1040k dots
  Can mean greater resolution or a brighter screen
• 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
  20.0 fps vs 14.0 fps
  Faster JPEG shooting (burst mode)
• Bigger JPEG buffer
  Unlimited vs 48 shots
  Take more JPEG shots before waiting (burst mode)
• Faster RAW shooting
  20.0 fps vs 14.0 fps
  Faster RAW shooting in burst mode
• Bigger RAW buffer
  Unlimited vs 26 shots
  Larger buffer for RAW shots (burst mode)
• Higher extended ISO
  819200 vs 51200 ISO
  Higher extended ISO can give more low-light flexibility