Sony A7R vs Nikon D3400

Sony A7R advantages over Nikon D3400

• Focus peaking
  Peaker vs Non-peaker
  Your camera will highlight what's in focus
• 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)
• In-camera panoramas
  Yes vs No
  Stitches multiple shots into a panoramic photo
• Tiltable Screen
  Tiltable vs Fixed
  Tilt the screen for shooting flexbility
• 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.

  A7R test data on DxO Mark D3400 test data on DxO Mark
  2,746 vs 1,192 iso
  Take photos in low light with less noise
• Thinner
  48 mm vs 75 mm
  Thinner
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• More viewfinder magnification
  0.71x vs 0.57x
  Get a bigger view of the scene through the eye-level viewfinder
• More pixels
  36.4 vs 24.2 megapixels
  Higher resolution photos
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• 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