• APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000
  • 35mm 858.0mm2
  • 24.6 megapixels
  • ISO 100 - 25,600

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Differences

Sony A6400 advantages over Sigma fp

  • Less expensive
    $898 vs $2149
    Save money for lenses or accessories
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • 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
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Higher max flash sync
    1/160 vs 1/30 sec
    Reduce the effect of ambient light in flash shots
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger JPEG buffer
    87 vs 12 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    42 vs 12 shots
    Larger buffer for RAW shots (burst mode)

Sigma fp advantages over Sony A6400

  • Larger sensor
    35mm vs APS-C
    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
    ~ 5.98 vs 3.92 microns
    Better low-light and dynamic range (all else equal)
  • Thinner
    45 mm vs 59 mm
    Thinner
  • More dots on screen
    2100k vs 922k dots
    Can mean greater resolution or a brighter screen
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Faster JPEG shooting
    18.0 fps vs 11.0 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    18.0 fps vs 11.1 fps
    Faster RAW shooting in burst mode
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • 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
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • 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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Your purchases support this site

Buy the Sony A6400

Review Excerpt

The Competition

Compared to Leica M (Typ 262)

Sony A6400
Leica M (Typ 262)
  • $798
  • APS-C
  • Lens selection
  • Focus peaking
  • $4993
  • 35mm
  • Larger sensor
  • Bigger pixels
Sigma fp
Leica M (Typ 262)
  • $1799
  • 35mm
  • Focus peaking
  • Less expensive
  • $4993
  • 35mm
  • Eye-level viewfinder
  • Higher max flash sync

Compared to Fujifilm X-T100

Sony A6400
Fujifilm X-T100
  • $798
  • APS-C
  • Slower slow-motion
  • Fast startup
  • $499
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Sigma fp
Fujifilm X-T100
  • $1799
  • 35mm
  • Slower slow-motion
  • Larger sensor
  • $499
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Canon EOS RP

Sony A6400
Canon EOS RP
  • $798
  • APS-C
  • Focus peaking
  • Less expensive
  • $999
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
Sigma fp
Canon EOS RP
  • $1799
  • 35mm
  • Focus peaking
  • In-Camera Image Stabilization
  • $999
  • 35mm
  • Tilt-swivel screen
  • Eye-level viewfinder

Compared to Canon EOS M6 Mark II

Sony A6400
Canon EOS M6 Mark II
  • $798
  • APS-C
  • Lens selection
  • Eye-level viewfinder
  • $799
  • APS-C
  • Fast startup
  • More pixels
Sigma fp
Canon EOS M6 Mark II
  • $1799
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $799
  • APS-C
  • Less expensive
  • Tiltable Screen

Compared to Sony A6100

Sony A6400
Sony A6100
  • $798
  • APS-C
  • Higher extended ISO
  • $598
  • APS-C
  • Less expensive
Sigma fp
Sony A6100
  • $1799
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $598
  • APS-C
  • Less expensive
  • Eye-level viewfinder
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