Samsung GX-20 vs Sony A55

Sony A55 advantages over Samsung GX-20

• Less expensive
  $850 vs $1400 (MSRP)
  Save money for lenses or accessories
• In-camera panoramas
  Yes vs No
  Stitches multiple shots into a panoramic photo
• Tiltable Screen
  Tiltable vs Fixed
  Tilt the screen for shooting flexbility
• 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.

  A55 test data on DxO Mark GX-20 test data on DxO Mark
  818 vs 714 iso
  Take photos in low light with less noise
• More dynamic range

  More dynamic range

  Cameras with more dynamic range allow you to take photos with dramatic differences in highlight and shadow areas while retaining detail in both.

  Think of a brilliant sunset on a rocky beach: Bright sunset in the background, with dark rocks in the foreground. High dynamic range means more of the extremes will be faithfully reproduced.

  Dynamic range test data courtesy of DxO Mark.

  A55 test data on DxO Mark GX-20 test data on DxO Mark
  12.4 vs 11.2 evs
  Retain detail in highlight and shadows
• Built-in GPS
  GPS vs None
  Geotag your photos
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• HDMI out
  HDMI out vs None
  Use HDMI output to monitor or review video
• More dots on screen
  922k vs 230k dots
  Can mean greater resolution or a brighter screen
• More AF points
  15 vs 11
  More AF points improve autofocus
• Higher extended ISO
  25600 vs 6400 ISO
  Higher extended ISO can give more low-light flexibility