Canon SL3 vs Canon R3

Canon R3 advantages over Canon SL3

• 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.
• In-Camera Image Stabilization
  Yes vs No
  Reduces the effects of camera shake at slower shutter speeds
• Bigger pixels
  ~ 6.00 vs 3.72 microns
  Better low-light and dynamic range (all else equal)
• Top deck display
  Yes vs No
  Check settings with a screen on top of the camera
• Newer
  3 years vs 6 years old
  Newer cameras often support more advanced features
• More dots on screen
  4150k vs 1040k dots
  Can mean greater resolution or a brighter screen
• More viewfinder magnification
  0.76x vs 0.54x
  Get a bigger view of the scene through the eye-level viewfinder
• Dual card slots
  Yes vs No
  Gives you more storage flexibility
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Faster JPEG shooting
  30.0 fps vs 5.0 fps
  Faster JPEG shooting (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