Nikon D3X vs Sony A7R IV

Sony A7R IV advantages over Nikon D3X

• 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 No
  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
• High resolution composite
  Yes vs No
  Combine multiple shots to form a super hi-res version
• Built-in Wi-Fi
  Wi-Fi vs None
  Share your photos wirelessly
• Built-in Bluetooth
  Yes vs No
  Always-on wireless connectivity
• 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 IV test data on DxO Mark D3X test data on DxO Mark
  3,344 vs 1,992 iso
  Take photos in low light with less noise
• On-sensor phase detect
  Yes vs No
  Usually improves live view and video AF performance
• Newer
  5 years vs 16 years old
  Newer cameras often support more advanced features
• Shoots 24p video
  Yes vs No
  Gives your movies a big-screen feel
• Lighter weight
  665g vs 1392g
  Lighter weight
• More dots on screen
  1440k vs 922k 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
  61.0 vs 24.5 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
• Lacks anti-aliasing filter
  No Filter vs Filter
  Enjoy sharper photos
• Faster JPEG shooting
  10.0 fps vs 5.0 fps
  Faster JPEG shooting (burst mode)
• Bigger JPEG buffer
  70 vs 31 shots
  Take more JPEG shots before waiting (burst mode)
• Slow-motion videos
  Yes vs No
  Shoot slow-motion videos
• Higher extended ISO
  102400 vs 6400 ISO
  Higher extended ISO can give more low-light flexibility