Pentax 645D vs Canon 5D Mark IV

Canon 5D Mark IV 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
• Fast startup
  ~0.50 vs 0.7 sec
  Faster startup lets you catch the moment
• Built-in Wi-Fi
  Wi-Fi vs None
  Share your photos wirelessly
• NFC
  Yes vs No
  Simplifies pairing your camera with supported phones
• 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.

  5D Mark IV test data on DxO Mark 645D test data on DxO Mark
  2,995 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
• Thinner
  75 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
  1/200 vs 1/125 sec
  Reduce the effect of ambient light in flash shots
• Newer
  8 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
• Lighter weight
  890g vs 1480g
  Lighter weight
• Higher-res screen
  540k vs 307k pixels
  More detail on the screen lets you judge focus and composition
• 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
  7.0 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
  7.0 fps vs 1.1 fps
  Faster RAW shooting in 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
  102400 vs 1600 ISO
  Higher extended ISO can give more low-light flexibility