• APS-C 366.6mm2
  • 24.3 megapixels
  • ISO 100 - 25,600
  • APS-H 476.1mm2
  • 25.6 megapixels
  • ISO 100 - 6400

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Differences

Sony A5100 advantages over Sigma sd Quattro H

  • Lens selection
    Good vs Limited
    Better lens selection gives you more options
  • 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
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    35 mm vs 90 mm
    Thinner
  • 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
    6.0 fps vs 4.4 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    25 vs 8 shots
    Larger buffer for RAW shots (burst mode)
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Sigma sd Quattro H advantages over Sony A5100

  • Larger sensor
    APS-H vs APS-C
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • More dots on screen
    1620k vs 922k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • 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
  • 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
  • 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 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Review Excerpt

  • Very small and comfortable form factor; Very good image quality for its class; New dual video record function; Quick autofocus and good dynamic range.

  • Lacks an EVF and external mode dial; No hot shoe; JPEG processing at higher ISOs not as good as some competing mid-level models.

  • Read our Sony A5100 Review

The Competition

Compared to Samsung NX1000

Sony A5100
Samsung NX1000
  • $348
  • APS-C
  • Lens selection
  • Focus peaking
  • $414
  • APS-C
  • Higher-res screen
  • Hot shoe

Compare Sony A5100 vs Samsung NX1000

Sigma sd Quattro H
Samsung NX1000
  • $1199
  • APS-H
  • Focus peaking
  • Larger sensor
  • $414
  • APS-C
  • Built-in Wi-Fi
  • Thinner

Compare Sigma sd Quattro H vs Samsung NX1000

Compared to Samsung NX1100

Sony A5100
Samsung NX1100
  • $348
  • APS-C
  • Lens selection
  • Focus peaking
  • $450
  • APS-C
  • Higher-res screen
  • Hot shoe

Compare Sony A5100 vs Samsung NX1100

Sigma sd Quattro H
Samsung NX1100
  • $1199
  • APS-H
  • Focus peaking
  • Larger sensor
  • $450
  • APS-C
  • Less expensive
  • Built-in Wi-Fi

Compare Sigma sd Quattro H vs Samsung NX1100

Compared to Sony A5000

Sony A5100
Sony A5000
  • $348
  • APS-C
  • Touchscreen
  • Higher effective ISO
  • $298
  • APS-C
  • Less expensive

Compare Sony A5100 vs Sony A5000

Sigma sd Quattro H
Sony A5000
  • $1199
  • APS-H
  • Larger sensor
  • Eye-level viewfinder
  • $298
  • APS-C
  • Lens selection
  • In-camera panoramas

Compare Sigma sd Quattro H vs Sony A5000

Compared to Sigma sd Quattro

Sony A5100
Sigma sd Quattro
  • $348
  • APS-C
  • Lens selection
  • Less expensive
  • $699
  • APS-C
  • Eye-level viewfinder
  • More dots on screen

Compare Sony A5100 vs Sigma sd Quattro

Sigma sd Quattro H
Sigma sd Quattro
  • $1199
  • APS-H
  • Larger sensor
  • More pixels
  • $699
  • APS-C
  • Bigger RAW buffer

Compare Sigma sd Quattro H vs Sigma sd Quattro

Compared to Fujifilm X-H1

Sony A5100
Fujifilm X-H1
  • $348
  • APS-C
  • Less expensive
  • NFC
  • $1000
  • APS-C
  • Eye-level viewfinder
  • In-Camera Image Stabilization

Compare Sony A5100 vs Fujifilm X-H1

Sigma sd Quattro H
Fujifilm X-H1
  • $1199
  • APS-H
  • Larger sensor
  • More dots on screen
  • $1000
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization

Compare Sigma sd Quattro H vs Fujifilm X-H1

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