Canon 1Ds Mark III vs Samsung GX-20

Canon 1Ds Mark III advantages over Samsung GX-20

• Larger sensor
  35mm vs APS-C
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 6.41 vs 5.07 microns
  Better low-light and dynamic range (all else equal)
• Higher effective ISO

  Higher effective ISO

  Maximum effective ISO is an estimate of the highest sensitivity at which a camera can capture excellent quality photos.

  Cameras with higher effective ISO will be better choices for indoor photography, night shooting, and indoor sports photography, especially if you intend to make large prints.

  You can learn more at our glossary entry.

  Maximum effective ISO test data courtesy of DxO Mark.

  1Ds Mark III test data on DxO Mark GX-20 test data on DxO Mark
  1,663 vs 714 iso
  Take photos in low light with less noise
• More cross-type AF points
  19 vs 9
  Cross-type AF points improve autofocus performance
• More pixels
  21.1 vs 14.6 megapixels
  Higher resolution photos
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• More AF points
  45 vs 11
  More AF points improve autofocus
• Faster shutter
  1/8000 vs 1/4000 sec
  Shoot wide open in bright light