Panasonic ZS15 vs Panasonic GX850

Panasonic GX850 advantages over Panasonic ZS15

• Focus peaking
  Peaker vs Non-peaker
  Your camera will highlight what's in focus
• Larger sensor
  4/3 vs 1/2.3 inch
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 3.77 vs 1.54 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
• In-camera panoramas
  Yes vs No
  Stitches multiple shots into a panoramic photo
• 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
• Built-in Wi-Fi
  Wi-Fi vs None
  Share your photos wirelessly
• Manual focus
  Yes vs No
  AF is for the weak. Real photographers focus manually.
• Newer
  7 years vs 12 years old
  Newer cameras often support more advanced features
• Shoots 24p video
  Yes vs No
  Gives your movies a big-screen feel
• More dots on screen
  1040k vs 460k dots
  Can mean greater resolution or a brighter screen
• More pixels
  16.0 vs 12.1 megapixels
  Higher resolution photos
• Longer exposure
  60 vs 15 sec
  Long exposures for night shots
• Bulb shutter
  Bulb vs No bulb
  Hold the shutter open manually for long exposures
• Bigger JPEG buffer
  114 vs 4 shots
  Take more JPEG shots before waiting (burst mode)
• Faster shutter
  1/16000 vs 1/4000 sec
  Shoot wide open in bright light
• Higher extended ISO
  25600 vs 6400 ISO
  Higher extended ISO can give more low-light flexibility