Sony A7 IV advantages over Sony A6000

• Larger sensor
  35mm vs APS-C
  More sensor area. Bigger is (generally) better.
• Tilt-swivel screen
  Tilt-swivel vs tilt-only
  Tilt and swivel the screen for maximum shooting flexibility
• In-Camera Image Stabilization
  Yes vs No
  Reduces the effects of camera shake at slower shutter speeds
• Bigger pixels
  ~ 5.12 vs 3.92 microns
  Better low-light and dynamic range (all else equal)
• Shoot 4K video
  4K (UHD) vs 1080p
  Make sure you have a fast computer
• Touchscreen
  Touch vs No touch
  Interact with your camera just like your smartphone
• Built-in Bluetooth
  Yes vs No
  Always-on wireless connectivity
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• Higher max flash sync
  1/250 vs 1/160 sec
  Reduce the effect of ambient light in flash shots
• Newer
  2 years vs 10 years old
  Newer cameras often support more advanced features
• More dots on screen
  3680k vs 922k dots
  Can mean greater resolution or a brighter screen
• More pixels
  33.0 vs 24.3 megapixels
  Higher resolution photos
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Lacks anti-aliasing filter
  No Filter vs Filter
  Enjoy sharper photos
• Bigger JPEG buffer
  828 vs 47 shots
  Take more JPEG shots before waiting (burst mode)
• Slow-motion videos
  Yes vs No
  Shoot slow-motion videos
• Faster shutter
  1/8000 vs 1/4000 sec
  Shoot wide open in bright light
• Higher extended ISO
  204800 vs 51200 ISO
  Higher extended ISO can give more low-light flexibility