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

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Differences

Sigma sd Quattro advantages over Panasonic GH5

  • Less expensive
    $799 vs $1998
    Save money for lenses or accessories
  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.33 vs 3.34 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
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré

Panasonic GH5 advantages over Sigma sd Quattro

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • 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
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • 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
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • 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
    11.9 fps vs 3.6 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    65 vs 14 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 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

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 an external screen 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 panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • 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

User reviews

Buy From

Your purchases support this site

Buy the Sigma sd Quattro

Your purchases support this site

Buy the Panasonic GH5

Review Excerpt

  • 20MP sensor; Better per-pixel sharpness; Very good, slightly improved dynamic range and high ISOs; Stellar 4K video up to 60p with no crop; 6K Photo; Dual UHS-II SD slots; Good battery life for its class.

  • Buffer is deep, but slow to clear; Expensive; Menus still confusing; No optical low-pass filter means greater risk of moire; No built-in flash.

The Competition

Compared to Sony A3000

Sigma sd Quattro
Sony A3000
  • $599
  • APS-C
  • On-sensor phase detect
  • Newer
  • $373
  • APS-C
  • Less expensive
  • Lens selection
Panasonic GH5
Sony A3000
  • $1998
  • 4/3
  • Tilt-swivel screen
  • Lens selection
  • $373
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Sigma sd Quattro H

Sigma sd Quattro
Sigma sd Quattro H
  • $599
  • APS-C
  • Less expensive
  • Bigger RAW buffer
  • $999
  • APS-H
  • Larger sensor
  • More viewfinder magnification
Panasonic GH5
Sigma sd Quattro H
  • $1998
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $999
  • APS-H
  • Less expensive
  • Larger sensor

Compared to Canon EOS M5

Sigma sd Quattro
Canon EOS M5
  • $599
  • APS-C
  • Less expensive
  • Bigger pixels
  • $929
  • APS-C
  • Touchscreen
  • Tiltable Screen
Panasonic GH5
Canon EOS M5
  • $1998
  • 4/3
  • Tilt-swivel screen
  • Lens selection
  • $929
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Olympus E-M1 II

Sigma sd Quattro
Olympus E-M1 II
  • $599
  • APS-C
  • Less expensive
  • Larger sensor
  • $1799
  • 4/3
  • Lens selection
  • Tilt-swivel screen
Panasonic GH5
Olympus E-M1 II
  • $1998
  • 4/3
  • Built-in Bluetooth
  • Bigger JPEG buffer
  • $1799
  • 4/3
  • High resolution composite
  • Higher effective ISO

Compared to Panasonic G9

Sigma sd Quattro
Panasonic G9
  • $599
  • APS-C
  • Less expensive
  • Larger sensor
  • $1698
  • 4/3
  • Lens selection
  • Tilt-swivel screen
Panasonic GH5
Panasonic G9
  • $1998
  • 4/3
  • Bigger JPEG buffer
  • $1698
  • 4/3
  • Less expensive
  • High resolution composite
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