Pentax K-S1 vs Canon 5D Mark IV

Canon 5D Mark IV advantages over Pentax K-S1

• Larger sensor
  35mm vs APS-C
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 5.36 vs 4.29 microns
  Better low-light and dynamic range (all else equal)
• Shoot 4K video
  4K (DCI) vs 1080p
  Make sure you have a fast computer
• Touchscreen
  Touch vs No touch
  Interact with your camera just like your smartphone
• 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 K-S1 test data on DxO Mark
  2,995 vs 1,061 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

  900 vs 480 shots
  Capture more photos
• Top deck display
  Yes vs No
  Check settings with a screen on top of the camera
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• More cross-type AF points
  41 vs 9
  Cross-type AF points improve autofocus performance
• Higher-res screen
  540k vs 307k pixels
  More detail on the screen lets you judge focus and composition
• More viewfinder magnification
  0.71x vs 0.63x
  Get a bigger view of the scene through the eye-level viewfinder
• More pixels
  30.4 vs 20.1 megapixels
  Higher resolution photos
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• More AF points
  61 vs 11
  More AF points improve autofocus
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Faster JPEG shooting
  7.0 fps vs 5.4 fps
  Faster JPEG shooting (burst mode)
• Bigger JPEG buffer
  Unlimited vs 20 shots
  Take more JPEG shots before waiting (burst mode)
• Slow-motion videos
  Yes vs No
  Shoot slow-motion videos
• Higher extended ISO
  102400 vs 51200 ISO
  Higher extended ISO can give more low-light flexibility