Canon A3100 IS vs Canon G7X Mark III

Canon G7X Mark III advantages over Canon A3100 IS

• Focus peaking
  Peaker vs Non-peaker
  Your camera will highlight what's in focus
• Larger sensor
  1 inch vs 1/2.3 inch
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 2.41 vs 1.54 microns
  Better low-light and dynamic range (all else equal)
• 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
• In-camera panoramas
  Yes vs No
  Stitches multiple shots into a panoramic photo
• Larger lens aperture
  f/1.8 vs f/2.7
  Take photos in low-light or isolate your subject
• 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
• Fast startup
  ~1.50 vs 2.1 sec
  Faster startup lets you catch the moment
• Built-in Wi-Fi
  Wi-Fi vs None
  Share your photos wirelessly
• Built-in Bluetooth
  Yes vs No
  Always-on wireless connectivity
• Manual focus
  Yes vs No
  AF is for the weak. Real photographers focus manually.
• Integrated ND filter
  Yes vs No
  Shoot in daylight with a large aperture or slow shutter
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• Newer
  5 years vs 14 years old
  Newer cameras often support more advanced features
• HDMI out
  HDMI out vs None
  Use HDMI output to monitor or review video
• More dots on screen
  1040k vs 230k dots
  Can mean greater resolution or a brighter screen
• Shoots 1080p video
  Yes vs No
  You'll want this if you shoot video
• Less shutter lag
  0.15 vs 0.48 sec
  Focus and take a photo quickly (wide angle)
• More pixels
  20.2 vs 12.1 megapixels
  Higher resolution photos
• Shoots 60p video
  Yes vs No
  A faster framerate can give you more editing options
• Wider angle lens
  24 mm vs 35 mm
  Capture more of the scene
• Longer exposure
  30 vs 15 sec
  Long exposures for night shots
• Bulb shutter
  Bulb vs No bulb
  Hold the shutter open manually for long exposures
• Faster JPEG shooting
  20.0 fps vs 0.8 fps
  Faster JPEG shooting (burst mode)
• Slow-motion videos
  Yes vs No
  Shoot slow-motion videos
• Faster shutter
  1/25600 vs 1/1600 sec
  Shoot wide open in bright light
• Higher extended ISO
  25600 vs 1600 ISO
  Higher extended ISO can give more low-light flexibility