Sony A77 vs Panasonic GM1

Sony A77 advantages over Panasonic GM1

• Larger sensor
  APS-C vs 4/3
  More sensor area. Bigger is (generally) better.
• Tilt-swivel screen
  Tilt-swivel vs none
  Tilt and swivel the screen for maximum shooting flexibility
• Eye-level viewfinder
  Eye-level vs Rear display only
  You'll be able to frame photos even when the sun is out
• In-Camera Image Stabilization
  Yes vs No
  Reduces the effects of camera shake at slower shutter speeds
• In-camera panoramas
  Yes vs No
  Stitches multiple shots into a panoramic photo
• 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.

  A77 test data on DxO Mark GM1 test data on DxO Mark
  801 vs 660 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.

  A77 test data on DxO Mark GM1 test data on DxO Mark
  13.2 vs 11.7 evs
  Retain detail in highlight and shadows
• Built-in GPS
  GPS vs None
  Geotag your photos
• Longer stills battery life
  More info

  Longer stills battery life

  Cameras with longer battery life can take more photos before exhausting their batteries.

  Special note: The measurement standard for battery life stipulates that if a camera has an internal flash, it must be used for 50% of photos taken. For this reason, comparisons of one camera with an internal flash to another without will not be comparable

  530 vs 230 shots
  Capture more photos
• More telephoto lens reach
  75 mm vs 64 mm
  Capture objects farther away with the kit lens
• Top deck display
  Yes vs No
  Check settings with a screen on top of the camera
• External Mic Jack
  Jack vs No jack
  Improved sound fidelity when shooting video
• Higher max flash sync
  1/250 vs 1/50 sec
  Reduce the effect of ambient light in flash shots
• Hot shoe
  Hot shoe vs None
  Off-camera flashes open new possibilities
• More pixels
  24.3 vs 16.0 megapixels
  Higher resolution photos
• Bulb shutter
  Bulb vs No bulb
  Hold the shutter open manually for long exposures
• Faster JPEG shooting
  11.6 fps vs 9.9 fps
  Faster JPEG shooting (burst mode)
• Bigger JPEG buffer
  17 vs 10 shots
  Take more JPEG shots before waiting (burst mode)
• Faster RAW shooting
  11.6 fps vs 10.3 fps
  Faster RAW shooting in burst mode
• Bigger RAW buffer
  14 vs 7 shots
  Larger buffer for RAW shots (burst mode)