Canon SD4500 IS vs Canon G12

Canon G12 advantages over Canon SD4500 IS

• Larger sensor
  1/1.7 inch vs 1/2.3 inch
  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
  ~ 2.08 vs 1.69 microns
  Better low-light and dynamic range (all else equal)
• Larger lens aperture
  f/2.8 vs f/3.4
  Take photos in low-light or isolate your subject
• Tiltable Screen
  Tiltable vs Fixed
  Tilt the screen for shooting flexbility
• RAW file ability
  Yes vs No
  Gives you more flexibility to develop your photos later
• Fast startup
  ~2.70 vs 3.7 sec
  Faster startup lets you catch the moment
• 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

  370 vs 150 shots
  Capture more photos
• Integrated ND filter
  Yes vs No
  Shoot in daylight with a large aperture or slow shutter
• More dots on screen
  461k vs 230k dots
  Can mean greater resolution or a brighter screen
• Hot shoe
  Hot shoe vs None
  Off-camera flashes open new possibilities
• Wider angle lens
  28 mm vs 36 mm
  Capture more of the scene
• Higher extended ISO
  12800 vs 3200 ISO
  Higher extended ISO can give more low-light flexibility