Nikon D3100
DSLR Camera
 vs Sony a57
DSLR Camera

What’s good about the Nikon D3100

Best price $364
  • Smaller body size 54 in³ vs 66 in³
  • Significantly cheaper street price $364 vs $1,000
Find out more about the Nikon D3100

What’s good about the Sony Alpha SLT-A57

Best price
$1,000
  • Weighs a lot less than the D3100 5.7 oz vs 16 oz
  • Higher sensor resolution 16.1 MP vs 14.2 MP
  • Higher resolution rear screen 921k dots vs 230k dots
  • Better light sensitivity by 1 f-stop 25,600 ISO vs 12,800 ISO
  • Newer camera April 2012 vs September 2010
  • Better video capture 1080p 60fps vs 1080p 24fps
  • Faster continuous shooting speed 12 shots per sec vs 3 shots per sec
  • Viewscreen flips out D3100 does not have a flip out viewscreen
  • Has HDR on-board D3100 does not have HDR
  • Has panorama image capture D3100 does not have panorama
  • Has 3D capture capabilities D3100 does not have 3D
  • Has an External Mic jack D3100 does not
Find out more about the Sony Alpha SLT-A57

What the Nikon D3100 and Sony a57 have in common

  • Similar image sensor size 356 in² vs 367 in²
  • Same viewscreen size 3.0″
  • interchangeable lenses
  • HDMI port
  • RAW capture
  • hot shoe

What’s missing from both the Nikon D3100 and the Sony a57

  • No GPS tagging
  • No waterproof housing
  • No Wi-Fi
Side-by-side: Compare the Nikon D3100 and the Sony a57 side-by-side

Want to compare other cameras?

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