Canon SX20 IS vs Panasonic GM1

Panasonic GM1 advantages over Canon SX20 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.
• Bigger pixels
  ~ 3.77 vs 1.54 microns
  Better low-light and dynamic range (all else equal)
• Touchscreen
  Touch vs No touch
  Interact with your camera just like your smartphone
• RAW file ability
  Yes vs No
  Gives you more flexibility to develop your photos later
• Fast startup
  ~0.90 vs 2.4 sec
  Faster startup lets you catch the moment
• Built-in Wi-Fi
  Wi-Fi vs None
  Share your photos wirelessly
• Manual focus
  Yes vs No
  AF is for the weak. Real photographers focus manually.
• Thinner
  30 mm vs 86 mm
  Thinner
• Shoots 24p video
  Yes vs No
  Gives your movies a big-screen feel
• More dots on screen
  1037k vs 230k dots
  Can mean greater resolution or a brighter screen
• Shoots 1080p video
  Yes vs No
  You'll want this if you shoot video
• Less shutter lag
  0.19 vs 0.54 sec
  Focus and take a photo quickly (wide angle)
• More pixels
  16.0 vs 12.1 megapixels
  Higher resolution photos
• Shoots 60p video
  Yes vs No
  A faster framerate can give you more editing options
• Longer exposure
  60 vs 15 sec
  Long exposures for night shots
• Faster JPEG shooting
  9.9 fps vs 1.1 fps
  Faster JPEG shooting (burst mode)
• Faster shutter
  1/16000 vs 1/3200 sec
  Shoot wide open in bright light
• Higher extended ISO
  25600 vs 3200 ISO
  Higher extended ISO can give more low-light flexibility