• APS-C 364.3mm2
  • 19.6 megapixels
  • ISO 100 - 6400
  • 35mm 864.0mm2
  • 24.1 megapixels
  • ISO 100 - 102,400

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Differences

Sigma sd Quattro advantages over Canon R3

  • Lighter weight
    625g vs 1015g
    Lighter weight
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré

Canon R3 advantages over Sigma sd Quattro

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
    ~ 6.00 vs 4.33 microns
    Better low-light and dynamic range (all else equal)
  • Shoot 4K video
    No 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
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    3 years vs 8 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    4150k vs 1620k dots
    Can mean greater resolution or a brighter screen
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    24.1 vs 19.6 megapixels
    Higher resolution photos
  • 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
  • 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

  • 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

User reviews

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Review Excerpt

The Competition

Compared to Sony A3000

Sigma sd Quattro
Sony A3000
  • $699
  • APS-C
  • On-sensor phase detect
  • HDMI out
  • $500
  • APS-C
  • Lens selection
  • In-camera panoramas
Canon R3
Sony A3000
  • $5999
  • 35mm
  • Larger sensor
  • Tilt-swivel screen
  • $500
  • APS-C
  • Less expensive
  • In-camera panoramas

Compared to Sigma sd Quattro H

Sigma sd Quattro
Sigma sd Quattro H
  • $699
  • APS-C
  • Bigger RAW buffer
  • $1199
  • APS-H
  • Larger sensor
  • More pixels
Canon R3
Sigma sd Quattro H
  • $5999
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
  • $1199
  • APS-H
  • Less expensive
  • Lighter weight

Compared to Fujifilm X-H1

Sigma sd Quattro
Fujifilm X-H1
  • $699
  • APS-C
  • More dots on screen
  • $1000
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
Canon R3
Fujifilm X-H1
  • $5999
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
  • $1000
  • APS-C
  • In-camera panoramas
  • Lighter weight

Compared to Leica SL2-S

Sigma sd Quattro
Leica SL2-S
  • $699
  • APS-C
  • On-sensor phase detect
  • Lighter weight
  • $4895
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
Canon R3
Leica SL2-S
  • $5999
  • 35mm
  • Tilt-swivel screen
  • On-sensor phase detect
  • $4895
  • 35mm
  • Less expensive
  • Slower slow-motion

Compared to Canon R5 C

Sigma sd Quattro
Canon R5 C
  • $699
  • APS-C
  • Doesn't require an AA filter
  • $4499
  • 35mm
  • Tilt-swivel screen
  • Larger sensor
Canon R3
Canon R5 C
  • $5999
  • 35mm
  • Bigger pixels
  • More dots on screen
  • $4499
  • 35mm
  • Less expensive
  • Lighter weight
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