Olympus E-M5
Mirrorless Camera
vs Nikon D3100
DSLR Camera

What’s good about the Olympus OM-D E-M5

Best price $999
  • Significantly smaller body size 29 in³ vs 54 in³
  • Higher sensor resolution 16.1 MP vs 14.2 MP
  • Higher resolution rear screen 610k dots vs 230k dots
  • Has longer exposure available 60 seconds vs 30 seconds
  • Better light sensitivity by 1 f-stop 25,600 ISO vs 12,800 ISO
  • Newer camera May 2012 vs September 2010
  • Better video capture 1080p 30fps vs 1080p 24fps
  • Faster continuous shooting speed 9 shots per sec vs 3 shots per sec
  • Viewscreen flips out D3100 does not have a flip out viewscreen
  • Has panorama image capture D3100 does not have panorama
  • Has a waterproof camera body D3100 does not
  • Has 3D capture capabilities D3100 does not have 3D

What’s good about the Nikon D3100

Best price
$364
  • 53% more battery life 550 shots vs 360 shots
  • Significantly cheaper street price $364 vs $999
  • Significantly larger image sensor 356 mm² vs 225 mm²

What the Olympus E-M5 and Nikon D3100 have in common

  • Weigh about the same 15 oz vs 16 oz
  • Same viewscreen size 3.0″
  • interchangeable lenses
  • HDMI port
  • RAW capture
  • hot shoe

What’s missing from both the Olympus E-M5 and the Nikon D3100

  • No HDR processing
  • No GPS tagging
  • No external microphone jack
  • No Wi-Fi

Want to compare other cameras?

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  • Compare the Nikon D3100 to the