Sony A6400 advantages over Nikon 170

• Focus peaking
  Peaker vs Non-peaker
  Your camera will highlight what's in focus
• Larger sensor
  APS-C vs 1/2.3 inch
  More sensor area. Bigger is (generally) better.
• Eye-level viewfinder
  Eye-level vs Rear display only
  You'll be able to frame photos even when the sun is out
• Bigger pixels
  ~ 3.92 vs 1.61 microns
  Better low-light and dynamic range (all else equal)
• Touchscreen
  Touch vs No touch
  Interact with your camera just like your smartphone
• Tiltable Screen
  Tiltable vs Fixed
  Tilt the screen for shooting flexbility
• RAW file ability
  Yes vs No
  Gives you more flexibility to develop your photos later
• Longer video battery life
  125 vs 60 minutes
  Capture more video
• 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

  410 vs 250 shots
  Capture more photos
• Internal flash
  Internal flash vs None
  Useful in a pinch for fill flash
• Manual focus
  Yes vs No
  AF is for the weak. Real photographers focus manually.
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• Newer
  6 years vs 8 years old
  Newer cameras often support more advanced features
• Shoots 24p video
  Yes vs No
  Gives your movies a big-screen feel
• More dots on screen
  922k vs 345k dots
  Can mean greater resolution or a brighter screen
• Hot shoe
  Hot shoe vs None
  Off-camera flashes open new possibilities
• More pixels
  24.2 vs 8.3 megapixels
  Higher resolution photos
• Has anti-aliasing filter
  Filter vs No Filter
  Reduces unsightly moiré in photos
• Longer exposure
  30 vs 1/2 sec
  Long exposures for night shots
• Higher extended ISO
  102400 vs 1600 ISO
  Higher extended ISO can give more low-light flexibility