Pentax 645D
Full Frame DSLR Camera
 vs Nikon D5100
DSLR Camera

What’s good about the Pentax 645D

Best price $3,600
  • 21% more battery life 800 shots vs 660 shots
  • Higher sensor resolution 40 MP vs 16.2 MP
  • Significantly larger image sensor 1,452 mm² vs 368 mm²
  • Faster continuous shooting speed 13 shots per sec vs 4 shots per sec
Find out more about the Pentax 645D

What’s good about the Nikon D5100

Best price
$350
  • Weighs a lot less than the 645D 19.7 oz vs 52.2 oz
  • Significantly smaller body size 78 in³ vs 132 in³
  • Significantly cheaper street price $350 vs $3,600
  • Better light sensitivity by 4 f-stops 25,600 ISO vs 1,600 ISO
  • Newer camera April 2011 vs June 2010
  • Viewscreen flips out 645D does not have a flip out viewscreen
  • Has GPS location tagging 645D does not have GPS
  • Has an External Mic jack 645D does not
Find out more about the Nikon D5100

What the Pentax 645D and Nikon D5100 have in common

  • Similar viewscreen resolutions 921k dots
  • Same viewscreen size 3.0″
  • interchangeable lenses
  • HDMI port
  • RAW capture
  • hot shoe

What’s missing from both the Pentax 645D and the Nikon D5100

  • No HDR processing
  • No 3D capture
  • No panorama mode
  • No waterproof housing
  • No Wi-Fi
Side-by-side: Compare the Pentax 645D and the Nikon D5100 side-by-side

Want to compare other cameras?

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