Nikon D3S vs Sony A9

Sony A9 advantages over Nikon D3S

• Focus peaking
  Peaker vs Non-peaker
  Your camera will highlight what's in focus
• In-Camera Image Stabilization
  Yes vs No
  Reduces the effects of camera shake at slower shutter speeds
• Shoot 4K video
  4K (UHD) vs 720p
  Make sure you have a fast computer
• Touchscreen
  Touch vs No touch
  Interact with your camera just like your smartphone
• Tiltable Screen
  Tiltable vs Fixed
  Tilt the screen for shooting flexbility
• Built-in Wi-Fi
  Wi-Fi vs None
  Share your photos wirelessly
• Built-in Bluetooth
  Yes vs No
  Always-on wireless connectivity
• More dynamic range

  More dynamic range

  Cameras with more dynamic range allow you to take photos with dramatic differences in highlight and shadow areas while retaining detail in both.

  Think of a brilliant sunset on a rocky beach: Bright sunset in the background, with dark rocks in the foreground. High dynamic range means more of the extremes will be faithfully reproduced.

  Dynamic range test data courtesy of DxO Mark.

  A9 test data on DxO Mark D3S test data on DxO Mark
  13.3 vs 12.0 evs
  Retain detail in highlight and shadows
• On-sensor phase detect
  Yes vs No
  Usually improves live view and video AF performance
• Thinner
  63 mm vs 87 mm
  Thinner
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• Newer
  8 years vs 15 years old
  Newer cameras often support more advanced features
• Lighter weight
  673g vs 1410g
  Lighter weight
• More dots on screen
  1440k vs 920k dots
  Can mean greater resolution or a brighter screen
• Shoots 1080p video
  Yes vs No
  You'll want this if you shoot video
• More viewfinder magnification
  0.78x vs 0.70x
  Get a bigger view of the scene through the eye-level viewfinder
• More pixels
  24.2 vs 12.1 megapixels
  Higher resolution photos
• Shoots 60p video
  Yes vs No
  A faster framerate can give you more editing options
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Faster JPEG shooting
  20.0 fps vs 9.0 fps
  Faster JPEG shooting (burst mode)
• Bigger JPEG buffer
  364 vs 90 shots
  Take more JPEG shots before waiting (burst mode)
• Faster RAW shooting
  20.0 fps vs 9.1 fps
  Faster RAW shooting in burst mode
• Bigger RAW buffer
  240 vs 41 shots
  Larger buffer for RAW shots (burst mode)
• Slow-motion videos
  Yes vs No
  Shoot slow-motion videos
• Faster shutter
  1/32000 vs 1/8000 sec
  Shoot wide open in bright light
• Higher extended ISO
  204800 vs 102400 ISO
  Higher extended ISO can give more low-light flexibility