• 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600
  • APS-C 364.3mm2
  • 19.6 megapixels
  • ISO 100 - 6400

Buy From

Differences

Panasonic GH4 advantages over Sigma sd Quattro

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Shoot 4K video
    4K (DCI) vs No
    Make sure you have a fast computer
  • 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
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster RAW shooting
    11.8 fps vs 3.6 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    21 vs 14 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Sigma sd Quattro advantages over Panasonic GH4

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.33 vs 3.75 microns
    Better low-light and dynamic range (all else equal)
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Newer
    2 years vs 5 years old
    Newer cameras often support more advanced features
  • More dots on screen
    1620k vs 1037k dots
    Can mean greater resolution or a brighter screen
  • More viewfinder magnification
    0.73x vs 0.67x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    19.6 vs 16.1 megapixels
    Higher resolution photos
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré

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
  • 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

  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • 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

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.

The Competition

Compared to Panasonic GH3

Panasonic GH4
Panasonic GH3
  • $798
  • 4/3
  • Focus peaking
  • Shoot 4K video
  • $823
  • 4/3
Sigma sd Quattro
Panasonic GH3
  • $699
  • APS-C
  • Focus peaking
  • Larger sensor
  • $823
  • 4/3
  • Tilt-swivel screen
  • Lens selection

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
Sigma sd Quattro
Olympus E-M1
  • $699
  • APS-C
  • Less expensive
  • Larger sensor
  • $1099
  • 4/3
  • Lens selection
  • In-Camera Image Stabilization

Compared to Panasonic G7

Panasonic GH4
Panasonic G7
  • $798
  • 4/3
  • Fast startup
  • NFC
  • $466
  • 4/3
  • Less expensive
  • In-camera panoramas
Sigma sd Quattro
Panasonic G7
  • $699
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $466
  • 4/3
  • Lens selection
  • Less expensive

Compared to Sigma sd Quattro H

Panasonic GH4
Sigma sd Quattro H
  • $798
  • 4/3
  • Lens selection
  • Less expensive
  • $1099
  • APS-H
  • Larger sensor
  • On-sensor phase detect
Sigma sd Quattro
Sigma sd Quattro H
  • $699
  • APS-C
  • Less expensive
  • Bigger RAW buffer
  • $1099
  • APS-H
  • Larger sensor
  • More viewfinder magnification

Compared to Fujifilm X-H1

Panasonic GH4
Fujifilm X-H1
  • $798
  • 4/3
  • Lens selection
  • Less expensive
  • $1599
  • APS-C
  • Slower slow-motion
  • Larger sensor
Sigma sd Quattro
Fujifilm X-H1
  • $699
  • APS-C
  • Less expensive
  • More dots on screen
  • $1599
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
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