Pentax 645Z vs Nikon D3400

Pentax 645Z advantages over Nikon D3400

• 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)
• Tiltable Screen
  Tiltable vs Fixed
  Tilt the screen for shooting flexbility
• 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 D3400 test data on DxO Mark
  4,505 vs 1,192 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
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• More cross-type AF points
  25 vs 1
  Cross-type AF points improve autofocus performance
• More viewfinder magnification
  0.78x vs 0.57x
  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
• More AF points
  27 vs 11
  More AF points improve autofocus
• Higher extended ISO
  204800 vs 25600 ISO
  Higher extended ISO can give more low-light flexibility