Nikon D3100
DSLR Camera
vs Sony a900
Full Frame DSLR Camera

What’s good about the Nikon D3100

Best price $364
  • Weighs a lot less than the a900 16 oz vs 31.68 oz
  • Significantly smaller body size 54 in³ vs 92 in³
  • Better light sensitivity by 1 f-stop 12,800 ISO vs 6,400 ISO

What’s good about the Sony Alpha SLT-A900

  • 60% more battery life 880 shots vs 550 shots
  • Higher sensor resolution 24.6 MP vs 14.2 MP
  • Significantly larger image sensor 864 mm² vs 356 mm²
  • Higher resolution rear screen 921k dots vs 230k dots
  • Faster continuous shooting speed 5 shots per sec vs 3 shots per sec

What the Nikon D3100 and Sony a900 have in common

  • Both cameras are the same age September 2010 vs September 2010
  • Same viewscreen size 3.0″
  • interchangeable lenses
  • HDMI port
  • RAW capture
  • hot shoe

What’s missing from both the Nikon D3100 and the Sony a900

  • No HDR processing
  • No 3D capture
  • No panorama mode
  • No GPS tagging
  • No waterproof housing
  • No external microphone jack
  • No Wi-Fi
  • No flip out viewscreen

Want to compare other cameras?

  • Compare the Nikon D3100 to the
  • Compare the Sony a900 to the