Olympus E-620 vs Nikon D3100

Nikon D3100 advantages over Olympus E-620

• Lens selection
  Excellent vs Good
  Better lens selection gives you more options
• Larger sensor
  APS-C vs 4/3
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 5.01 vs 4.29 microns
  Better low-light and dynamic range (all else equal)
• Fast startup
  ~0.40 vs 1.3 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.

  D3100 test data on DxO Mark E-620 test data on DxO Mark
  919 vs 536 iso
  Take photos in low light with less noise
• 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
• Shoots 1080p video
  Yes vs No
  You'll want this if you shoot video
• More viewfinder magnification
  0.53x vs 0.48x
  Get a bigger view of the scene through the eye-level viewfinder
• More pixels
  14.2 vs 12.3 megapixels
  Higher resolution photos
• More AF points
  11 vs 7
  More AF points improve autofocus
• Bigger JPEG buffer
  100 vs 5 shots
  Take more JPEG shots before waiting (burst mode)
• Higher extended ISO
  12800 vs 3200 ISO
  Higher extended ISO can give more low-light flexibility