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

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Differences

Panasonic GH4 advantages over Sony A7 III

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $798* vs $2198
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Fast startup
    ~0.80 vs 1.7 sec
    Faster startup lets you catch the moment
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    12.8 fps vs 9.9 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 163 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    11.8 fps vs 9.7 fps
    Faster RAW shooting in burst mode

Sony A7 III advantages over Panasonic GH4

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Slower slow-motion
    120 fps vs 96 fps
    Supports slower slow-mo
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.93 vs 3.75 microns
    Better low-light and dynamic range (all else equal)
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Higher effective ISO
    3,730 vs 791 iso
    Take photos in low light with less noise
  • More dynamic range
    14.7 vs 12.8 evs
    Retain detail in highlight and shadows
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 710 vs 530 shots
    Capture more photos
  • Newer
    8 months vs 5 years old
    Newer cameras often support more advanced features
  • More viewfinder magnification
    0.78x vs 0.67x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.2 vs 16.1 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Bigger RAW buffer
    33 vs 21 shots
    Larger buffer for RAW shots (burst mode)
  • 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
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • 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
  • Headphone jack
    Both provide
    Monitor audio recording while you shoot video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera

User reviews

Buy From

Review Excerpt

  • Excellent still image quality for its class; Fantastic, highly-detailed video quality; Superior video recording chops with 4K video (both Cinema 4K and Ultra HD); Responsive all-around performer with great AF performance and burst shooting; Rolling shutter is minimal with 60p and 30p video; Splash- and dust-proof magnesium alloy body; Built-in Wi-Fi with NFC.

  • High ISO performance not as good as some APS-C models (IQ drops quickly past ISO 3200); Overall still image quality not significantly better than the GH3; Sluggish buffer clearing with RAW files; Rolling shutter noticeable on 4K video; Not as compact as most mirrorless cameras.

  • New 24MP sensor offers excellent image quality; Outstanding high ISO performance and dynamic range; Improved JPEG colors; Improved build quality; Fast autofocus; Excellent 4K video; Very good battery life.

  • Buffer clearing can be slow even with fast UHS-II cards; UHS-II support only on one card slot; No losslessly compressed RAW option; Dedicated battery charger not included; Menus are still confusing; No built-in flash.

The Competition

Compared to Panasonic GH3

Panasonic GH4
Panasonic GH3
  • $798
  • 4/3
  • Focus peaking
  • Shoot 4K video
  • $823
  • 4/3
Sony A7 III
Panasonic GH3
  • $1998
  • 35mm
  • Focus peaking
  • Larger sensor
  • $823
  • 4/3
  • Lens selection
  • Less expensive

Compared to Olympus E-M1

Panasonic GH4
Olympus E-M1
  • $798
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $1099
  • 4/3
  • In-Camera Image Stabilization
  • On-sensor phase detect
Sony A7 III
Olympus E-M1
  • $1998
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $1099
  • 4/3
  • Lens selection
  • Less expensive

Compared to Panasonic G7

Panasonic GH4
Panasonic G7
  • $798
  • 4/3
  • Fast startup
  • NFC
  • $498
  • 4/3
  • Less expensive
  • In-camera panoramas
Sony A7 III
Panasonic G7
  • $1998
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $498
  • 4/3
  • Lens selection
  • Less expensive

Compared to Sony A9

Panasonic GH4
Sony A9
  • $798
  • 4/3
  • Lens selection
  • Less expensive
  • $3498
  • 35mm
  • Slower slow-motion
  • Larger sensor
Sony A7 III
Sony A9
  • $1998
  • 35mm
  • Less expensive
  • More dynamic range
  • $3498
  • 35mm
  • Fast startup
  • Faster JPEG shooting

Compared to Nikon Z6

Panasonic GH4
Nikon Z6
  • $798
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $1997
  • 35mm
  • Slower slow-motion
  • Larger sensor
Sony A7 III
Nikon Z6
  • $1998
  • 35mm
  • Less expensive
  • NFC
  • $1997
  • 35mm
  • Top deck display
  • More dots on screen
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