Canon 5D Mark III vs Canon 70D

Canon 5D Mark III advantages over Canon 70D

• Larger sensor
  35mm vs APS-C
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 6.25 vs 4.11 microns
  Better low-light and dynamic range (all else equal)
• Fast startup
  ~0.50 vs 0.7 sec
  Faster startup lets you catch the moment
• 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.

  5D Mark III test data on DxO Mark 70D test data on DxO Mark
  2,293 vs 926 iso
  Take photos in low light with less noise
• More cross-type AF points
  41 vs 19
  Cross-type AF points improve autofocus performance
• More viewfinder magnification
  0.71x vs 0.59x
  Get a bigger view of the scene through the eye-level viewfinder
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• More AF points
  61 vs 19
  More AF points improve autofocus
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Higher extended ISO
  102400 vs 25600 ISO
  Higher extended ISO can give more low-light flexibility