Canon G1X Mark III vs Sony A7R III

Sony A7R III advantages over Canon G1X Mark III

• Larger sensor
  35mm vs APS-C
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 4.51 vs 3.72 microns
  Better low-light and dynamic range (all else equal)
• Shoot 4K video
  4K (UHD) vs 1080p
  Make sure you have a fast computer
• High resolution composite
  Yes vs No
  Combine multiple shots to form a super hi-res version
• 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

  650 vs 200 shots
  Capture more photos
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• More dots on screen
  1440k vs 1040k dots
  Can mean greater resolution or a brighter screen
• More pixels
  42.4 vs 24.2 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
• Lacks anti-aliasing filter
  No Filter vs Filter
  Enjoy sharper photos
• Bigger JPEG buffer
  82 vs 23 shots
  Take more JPEG shots before waiting (burst mode)
• Bigger RAW buffer
  30 vs 16 shots
  Larger buffer for RAW shots (burst mode)
• Slow-motion videos
  Yes vs No
  Shoot slow-motion videos
• Faster shutter
  1/8000 vs 1/2000 sec
  Shoot wide open in bright light
• Higher extended ISO
  102400 vs 25600 ISO
  Higher extended ISO can give more low-light flexibility