Nikon D810 vs Nikon D3400

Nikon D810 advantages over Nikon D3400

• Larger sensor
  35mm vs APS-C
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 4.88 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.

  D810 test data on DxO Mark D3400 test data on DxO Mark
  2,853 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
  15 vs 1
  Cross-type AF points improve autofocus performance
• Pentaprism viewfinder
  Pentaprism vs Pentamirror
  Much better viewfinder picture fidelity
• More viewfinder magnification
  0.70x vs 0.57x
  Get a bigger view of the scene through the eye-level viewfinder
• More pixels
  36.3 vs 24.2 megapixels
  Higher resolution photos
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• More AF points
  51 vs 11
  More AF points improve autofocus
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Bigger RAW buffer
  23 vs 12 shots
  Larger buffer for RAW shots (burst mode)
• Faster shutter
  1/8000 vs 1/4000 sec
  Shoot wide open in bright light
• Higher extended ISO
  51200 vs 25600 ISO
  Higher extended ISO can give more low-light flexibility