Pentax 645D vs Canon 1DX Mark II

Canon 1DX Mark II advantages over Pentax 645D

• Lens selection
  Excellent vs Limited
  Better lens selection gives you more options
• Shoot 4K video
  4K (DCI) vs No
  Make sure you have a fast computer
• Touchscreen
  Touch vs No touch
  Interact with your camera just like your smartphone
• 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.

  1DX Mark II test data on DxO Mark 645D test data on DxO Mark
  3,207 vs 1,262 iso
  Take photos in low light with less noise
• Built-in GPS
  GPS vs None
  Geotag your photos
• On-sensor phase detect
  Yes vs No
  Usually improves live view and video AF performance
• Longer stills battery life
  More info

  Longer stills battery life

  Cameras with longer battery life can take more photos before exhausting their batteries.

  Special note: The measurement standard for battery life stipulates that if a camera has an internal flash, it must be used for 50% of photos taken. For this reason, comparisons of one camera with an internal flash to another without will not be comparable

  1210 vs 800 shots
  Capture more photos
• Thinner
  82 mm vs 119 mm
  Thinner
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• More cross-type AF points
  41 vs 11
  Cross-type AF points improve autofocus performance
• Higher max flash sync
  1/250 vs 1/125 sec
  Reduce the effect of ambient light in flash shots
• Newer
  9 years vs 14 years old
  Newer cameras often support more advanced features
• Shoots 24p video
  Yes vs No
  Gives your movies a big-screen feel
• More dots on screen
  1620k vs 921k dots
  Can mean greater resolution or a brighter screen
• Shoots 1080p video
  Yes vs No
  You'll want this if you shoot video
• Shoots 60p video
  Yes vs No
  A faster framerate can give you more editing options
• More AF points
  61 vs 11
  More AF points improve autofocus
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Has anti-aliasing filter
  Filter vs No Filter
  Reduces unsightly moiré in photos
• Faster JPEG shooting
  14.0 fps vs 1.1 fps
  Faster JPEG shooting (burst mode)
• Bigger JPEG buffer
  Unlimited vs 19 shots
  Take more JPEG shots before waiting (burst mode)
• Faster RAW shooting
  14.1 fps vs 1.1 fps
  Faster RAW shooting in burst mode
• Bigger RAW buffer
  Unlimited vs 16 shots
  Larger buffer for RAW shots (burst mode)
• Slow-motion videos
  Yes vs No
  Shoot slow-motion videos
• Faster shutter
  1/8000 vs 1/4000 sec
  Shoot wide open in bright light
• Higher extended ISO
  409600 vs 1600 ISO
  Higher extended ISO can give more low-light flexibility