• APS-H 476.1mm2
  • 25.6 megapixels
  • ISO 100 - 6400
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000

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Differences

Sigma sd Quattro H advantages over Sony A6400

  • Larger sensor
    APS-H vs APS-C
    More sensor area. Bigger is (generally) better.
  • 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 A6400 advantages over Sigma sd Quattro H

  • Lens selection
    Good vs Limited
    Better lens selection gives you more options
  • 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
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • 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
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    59 mm vs 90 mm
    Thinner
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    9 months vs 3 years old
    Newer cameras often support more advanced features
  • 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
  • Faster RAW shooting
    11.1 fps vs 4.4 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    42 vs 8 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    102400 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 Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • 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
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

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Buy the Sony A6400

Review Excerpt

The Competition

Compared to Sigma sd Quattro

Sigma sd Quattro H
Sigma sd Quattro
  • $1099
  • APS-H
  • Larger sensor
  • More pixels
  • $699
  • APS-C
  • Less expensive
  • Bigger RAW buffer
Sony A6400
Sigma sd Quattro
  • $898
  • APS-C
  • Lens selection
  • Shoot 4K video
  • $699
  • APS-C
  • More dots on screen
  • Doesn't require an AA filter

Compared to Fujifilm X-H1

Sigma sd Quattro H
Fujifilm X-H1
  • $1099
  • APS-H
  • Larger sensor
  • More dots on screen
  • $999
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
Sony A6400
Fujifilm X-H1
  • $898
  • APS-C
  • NFC
  • Longer video battery life
  • $999
  • APS-C
  • In-Camera Image Stabilization
  • Top deck display

Compared to Canon EOS M50

Sigma sd Quattro H
Canon EOS M50
  • $1099
  • APS-H
  • Larger sensor
  • Bigger pixels
  • $579
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Sony A6400
Canon EOS M50
  • $898
  • APS-C
  • Lens selection
  • Larger sensor
  • $579
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Fujifilm X-T3

Sigma sd Quattro H
Fujifilm X-T3
  • $1099
  • APS-H
  • Less expensive
  • Larger sensor
  • $1299
  • APS-C
  • Lens selection
  • Shoot 4K video
Sony A6400
Fujifilm X-T3
  • $898
  • APS-C
  • Less expensive
  • NFC
  • $1299
  • APS-C
  • Fast startup
  • Higher max flash sync

Compared to Sony A6100

Sigma sd Quattro H
Sony A6100
  • $1099
  • APS-H
  • Larger sensor
  • More dots on screen
  • $648
  • APS-C
  • Less expensive
  • Lens selection
Sony A6400
Sony A6100
  • $898
  • APS-C
  • Higher extended ISO
  • $648
  • APS-C
  • Less expensive
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