Canon SX400 IS vs OM System OM-1

OM System OM-1 advantages over Canon SX400 IS

• 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.
• Tilt-swivel screen
  Tilt-swivel vs none
  Tilt and swivel the screen for maximum shooting flexibility
• Eye-level viewfinder
  Eye-level vs Rear display only
  You'll be able to frame photos even when the sun is out
• Bigger pixels
  ~ 3.36 vs 1.34 microns
  Better low-light and dynamic range (all else equal)
• Shoot 4K video
  4K (DCI) vs 720p
  Make sure you have a fast computer
• Touchscreen
  Touch vs No touch
  Interact with your camera just like your smartphone
• High resolution composite
  Yes vs No
  Combine multiple shots to form a super hi-res version
• RAW file ability
  Yes vs No
  Gives you more flexibility to develop your photos later
• Built-in Wi-Fi
  Wi-Fi vs None
  Share your photos wirelessly
• On-sensor phase detect
  Yes vs No
  Usually improves live view and video AF performance
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• Newer
  2 years vs 10 years old
  Newer cameras often support more advanced features
• HDMI out
  HDMI out vs None
  Use HDMI output to monitor or review video
• Shoots 24p video
  Yes vs No
  Gives your movies a big-screen feel
• Higher-res screen
  540k vs 77k pixels
  More detail on the screen lets you judge focus and composition
• Hot shoe
  Hot shoe vs None
  Off-camera flashes open new possibilities
• Shoots 1080p video
  Yes vs No
  You'll want this if you shoot video
• More pixels
  20.4 vs 16.0 megapixels
  Higher resolution photos
• Shoots 60p video
  Yes vs No
  A faster framerate can give you more editing options
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Longer exposure
  60 vs 15 sec
  Long exposures for night shots
• Bulb shutter
  Bulb vs No bulb
  Hold the shutter open manually for long exposures
• Faster shutter
  1/32000 vs 1/1600 sec
  Shoot wide open in bright light
• Higher extended ISO
  102400 vs 1600 ISO
  Higher extended ISO can give more low-light flexibility