• APS-H 476.1mm2
  • 25.6 megapixels
  • ISO 100 - 6400
  • 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200

Buy From

Differences

Sigma sd Quattro H advantages over Sony A7 III

  • More dots on screen
    1620k vs 922k dots
    Can mean greater resolution or a brighter screen
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré

Sony A7 III advantages over Sigma sd Quattro H

  • Lens selection
    Good vs Limited
    Better lens selection gives you more options
  • Larger sensor
    35mm vs APS-H
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.93 vs 4.30 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    4K (UHD) vs No
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • 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
  • Faster RAW shooting
    9.7 fps vs 4.4 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    33 vs 8 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
    204800 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
  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • 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

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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

Review Excerpt

  • 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 Sony A3000

Sigma sd Quattro H
Sony A3000
  • $1199
  • APS-H
  • Larger sensor
  • On-sensor phase detect
  • $500
  • APS-C
  • Less expensive
  • Lens selection
Sony A7 III
Sony A3000
  • $1531
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $500
  • APS-C
  • In-camera panoramas
  • More telephoto lens reach

Compared to Sony A7 II

Sigma sd Quattro H
Sony A7 II
  • $1199
  • APS-H
  • More dots on screen
  • Doesn't require an AA filter
  • $1148
  • 35mm
  • Lens selection
  • Larger sensor
Sony A7 III
Sony A7 II
  • $1531
  • 35mm
  • Shoot 4K video
  • Touchscreen
  • $1148
  • 35mm
  • In-camera panoramas

Compared to Sigma sd Quattro

Sigma sd Quattro H
Sigma sd Quattro
  • $1199
  • APS-H
  • Larger sensor
  • More pixels
  • $699
  • APS-C
  • Bigger RAW buffer
Sony A7 III
Sigma sd Quattro
  • $1531
  • 35mm
  • Lens selection
  • Larger sensor
  • $699
  • APS-C
  • Less expensive
  • More dots on screen

Compared to Fujifilm X-H1

Sigma sd Quattro H
Fujifilm X-H1
  • $1199
  • APS-H
  • Larger sensor
  • More dots on screen
  • $1199
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
Sony A7 III
Fujifilm X-H1
  • $1531
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $1199
  • APS-C
  • Less expensive
  • In-camera panoramas

Compared to Nikon Z6

Sigma sd Quattro H
Nikon Z6
  • $1199
  • APS-H
  • Doesn't require an AA filter
  • $1396
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
Sony A7 III
Nikon Z6
  • $1531
  • 35mm
  • Less expensive
  • NFC
  • $1396
  • 35mm
  • Top deck display
  • More dots on screen
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