• APS-C 369.7mm2
  • 24.3 megapixels
  • ISO 100 - 16,000
  • 4/3 224.9mm2
  • 16.0 megapixels
  • ISO 200 - 25,600

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Differences

Sony A77 advantages over Panasonic GX7

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Higher effective ISO
    801 vs 718 iso
    Take photos in low light with less noise
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 530 vs 350 shots
    Capture more photos
  • 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
  • More pixels
    24.3 vs 16.0 megapixels
    Higher resolution photos
  • Wider angle kit lens
    24 mm vs 28 mm
    Capture more of the scene with the included lens
  • Faster RAW shooting
    11.6 fps vs 8.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    14 vs 9 shots
    Larger buffer for RAW shots (burst mode)

Panasonic GX7 advantages over Sony A77

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $1100 vs $2000 (MSRP)
    Save money for lenses or accessories
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Thinner
    54 mm vs 80 mm
    Thinner
  • Lighter weight
    532g vs 1363g
    Lighter weight
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Bigger JPEG buffer
    Unlimited vs 17 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    25600 vs 16000 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Your purchases support this site

Buy the Sony A77

Your purchases support this site

Buy the Panasonic GX7

Review Excerpt

  • Very fast top frame rate; full-time phase-detect autofocus; Full 60p HD video; Excellent kit lens; Very good high-resolution sensor.

  • Heavy; EVF appears dim when used in bright light; AF tracking in Movie mode was unreliable in our testing.

  • Sharp retro design and solid build; High resolution, tiltable electronic viewfinder and LCD touchscreen monitor; Competitive still image quality; Very good video quality, recording Full HD at frame rates up to 60p; Fast autofocusing and all-around performance; Robust Wi-Fi and NFC capabilities, including remote shooting when paired with a smart device

  • Weak built-in flash; No external mic or headphone jack for video recording; Some poor results when shooting in Creative Panorama mode

The Competition

Compared to Canon 7D

Sony A77
Canon 7D
  • $1899
  • APS-C
  • Tilt-swivel screen
  • Focus peaking
  • $1499
  • APS-C
  • Lens selection
  • Fast startup
Panasonic GX7
Canon 7D
  • $648
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $1499
  • APS-C
  • Larger sensor
  • Fast startup

Compared to Canon 70D

Sony A77
Canon 70D
  • $1899
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $999
  • APS-C
  • Lens selection
  • Touchscreen
Panasonic GX7
Canon 70D
  • $648
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $999
  • APS-C
  • Tilt-swivel screen
  • Larger sensor

Compared to Olympus E-M10

Sony A77
Olympus E-M10
  • $1899
  • APS-C
  • Larger sensor
  • Tilt-swivel screen
  • $399
  • 4/3
  • Lens selection
  • Less expensive
Panasonic GX7
Olympus E-M10
  • $648
  • 4/3
  • In-camera panoramas
  • Fast startup
  • $399
  • 4/3
  • Less expensive
  • Higher effective ISO

Compared to Sony A77 II

Sony A77
Sony A77 II
  • $1899
  • APS-C
  • Built-in GPS
  • $1198
  • APS-C
  • Built-in Wi-Fi
  • NFC
Panasonic GX7
Sony A77 II
  • $648
  • 4/3
  • Lens selection
  • Touchscreen
  • $1198
  • APS-C
  • Tilt-swivel screen
  • Larger sensor

Compared to Olympus E-M5 II

Sony A77
Olympus E-M5 II
  • $1899
  • APS-C
  • Larger sensor
  • In-camera panoramas
  • $899
  • 4/3
  • Lens selection
  • Touchscreen
Panasonic GX7
Olympus E-M5 II
  • $648
  • 4/3
  • In-camera panoramas
  • Internal flash
  • $899
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
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