Nikon D5300 vs Pentax 645Z

Pentax 645Z advantages over Nikon D5300

• Focus peaking
  Peaker vs Non-peaker
  Your camera will highlight what's in focus
• Larger sensor
  Medium format vs APS-C
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 5.31 vs 3.92 microns
  Better low-light and dynamic range (all else equal)
• 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.

  645Z test data on DxO Mark D5300 test data on DxO Mark
  4,505 vs 1,338 iso
  Take photos in low light with less noise
• Top deck display
  Yes vs No
  Check settings with a screen on top of the camera
• More cross-type AF points
  25 vs 9
  Cross-type AF points improve autofocus performance
• Less shutter lag
  0.16 vs 0.29 sec
  Focus and take a photo quickly (wide angle)
• More viewfinder magnification
  0.78x vs 0.55x
  Get a bigger view of the scene through the eye-level viewfinder
• More pixels
  51.4 vs 24.2 megapixels
  Higher resolution photos
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• Bigger RAW buffer
  10 vs 4 shots
  Larger buffer for RAW shots (burst mode)
• Higher extended ISO
  204800 vs 25600 ISO
  Higher extended ISO can give more low-light flexibility