• 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600
  • 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200

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Differences

Panasonic GX8 advantages over Sony A7C

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $998* vs $1798
    Save money for lenses or accessories
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/16000 vs 1/8000 sec
    Shoot wide open in bright light

Sony A7C advantages over Panasonic GX8

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.93 vs 3.34 microns
    Better low-light and dynamic range (all else equal)
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Newer
    3 years vs 9 years old
    Newer cameras often support more advanced features
  • More pixels
    24.2 vs 20.3 megapixels
    Higher resolution photos
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    204800 vs 25600 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
  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • NFC
    Both provide
    Simplifies pairing your camera with supported phones
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • 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 GPS
    Neither provide
    Geotag your photos
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Dual card slots
    Neither provide
    Gives you more storage flexibility

User reviews

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Your purchases support this site

Buy the Panasonic GX8

Review Excerpt

  • Highest resolution Micro Four Thirds camera yet; Great high ISO performance; Very fast autofocus; Fast burst mode with deep buffers; Impressive Dual I.S. system; Great 4K video.

  • No built-in flash; Slow buffer clearing; Below average battery life; Limited I.S. for 4K video.

The Competition

Compared to Olympus E-M1

Panasonic GX8
Olympus E-M1
  • $998
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
  • $1099
  • 4/3
  • Fast startup
  • On-sensor phase detect
Sony A7C
Olympus E-M1
  • $1598
  • 35mm
  • Larger sensor
  • Tilt-swivel screen
  • $1099
  • 4/3
  • Lens selection
  • Less expensive

Compared to Olympus E-M5 II

Panasonic GX8
Olympus E-M5 II
  • $998
  • 4/3
  • Shoot 4K video
  • In-camera panoramas
  • $899
  • 4/3
  • High resolution composite
  • Fast startup
Sony A7C
Olympus E-M5 II
  • $1598
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $899
  • 4/3
  • Lens selection
  • Less expensive

Compared to Olympus E-M1 II

Panasonic GX8
Olympus E-M1 II
  • $998
  • 4/3
  • In-camera panoramas
  • NFC
  • $949
  • 4/3
  • High resolution composite
  • Fast startup
Sony A7C
Olympus E-M1 II
  • $1598
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $949
  • 4/3
  • Lens selection
  • Less expensive

Compared to Canon EOS RP

Panasonic GX8
Canon EOS RP
  • $998
  • 4/3
  • Less expensive
  • Focus peaking
  • $999
  • 35mm
  • Larger sensor
  • Bigger pixels
Sony A7C
Canon EOS RP
  • $1598
  • 35mm
  • Less expensive
  • Focus peaking
  • $999
  • 35mm
  • More telephoto lens reach
  • Wider angle kit lens

Compared to Sigma fp

Panasonic GX8
Sigma fp
  • $998
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $1672
  • 35mm
  • Larger sensor
  • Bigger pixels
Sony A7C
Sigma fp
  • $1598
  • 35mm
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $1672
  • 35mm
  • Thinner
  • More dots on screen
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