Sony A77 vs Sony A7

Sony A7 advantages over Sony A77

• Larger sensor
  35mm vs APS-C
  More sensor area. Bigger is (generally) better.
• Bigger pixels
  ~ 5.97 vs 3.95 microns
  Better low-light and dynamic range (all else equal)
• Built-in Wi-Fi
  Wi-Fi vs None
  Share your photos wirelessly
• NFC
  Yes vs No
  Simplifies pairing your camera with supported phones
• 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.

  A7 test data on DxO Mark A77 test data on DxO Mark
  2,248 vs 801 iso
  Take photos in low light with less noise
• On-sensor phase detect
  Yes vs No
  Usually improves live view and video AF performance
• Thinner
  48 mm vs 80 mm
  Thinner
• Lighter weight
  769g vs 1363g
  Lighter weight
• Headphone jack
  Yes vs No
  Monitor audio recording while you shoot video
• Bigger JPEG buffer
  50 vs 17 shots
  Take more JPEG shots before waiting (burst mode)
• Bigger RAW buffer
  28 vs 14 shots
  Larger buffer for RAW shots (burst mode)
• Higher extended ISO
  51200 vs 16000 ISO
  Higher extended ISO can give more low-light flexibility