• 35mm 855.6mm2
  • 20.2 megapixels
  • ISO 100 - 25,600
  • APS-C 364.3mm2
  • 19.6 megapixels
  • ISO 100 - 6400

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Differences

Canon 6D advantages over Sigma sd Quattro

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 6.54 vs 4.33 microns
    Better low-light and dynamic range (all else equal)
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • 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
  • 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
    4.4 fps vs 3.6 fps
    Faster RAW shooting in burst mode
  • Higher extended ISO
    102400 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Sigma sd Quattro advantages over Canon 6D

  • Less expensive
    $899 vs $1555
    Save money for lenses or accessories
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Newer
    8 years vs 12 years old
    Newer cameras often support more advanced features
  • More dots on screen
    1620k vs 1044k 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

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • 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
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • 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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Your purchases support this site

Buy the Canon 6D
Body Only
  • Body Only
  • Kit with 24-105mm Lens
All 6D Deals

Your purchases support this site

Buy the Sigma sd Quattro
Body Only
  • Body Only
  • Kit with 30mm f/1.4 Art Lens
All sd Quattro Deals

Review Excerpt

  • Excellent image quality on par to more expensive full-frame DSLRs (including the 5D Mark III); Responsive all-around performer; Superior HD video-shooting chops; Built-in Wi-Fi with remote control and sharing features, Built-in GPS and geotagging.

  • Lacks a built-in, pop-up flash; No external headphone jack; Rather basic 11-point autofocus system; Mediocre burst speed.

  • Read our Canon 6D Review

The Competition

Compared to Canon 5D Mark III

Canon 6D
Canon 5D Mark III
  • $1499
  • 35mm
  • Less expensive
  • Built-in Wi-Fi
  • $2079
  • 35mm
  • More cross-type AF points
  • Less shutter lag

Compare Canon 6D vs Canon 5D Mark III

Sigma sd Quattro
Canon 5D Mark III
  • $699
  • APS-C
  • Less expensive
  • Focus peaking
  • $2079
  • 35mm
  • Lens selection
  • Larger sensor

Compare Sigma sd Quattro vs Canon 5D Mark III

Compared to Nikon D610

Canon 6D
Nikon D610
  • $1499
  • 35mm
  • Less expensive
  • Built-in Wi-Fi
  • $1196
  • 35mm
  • Fast startup
  • Higher effective ISO

Compare Canon 6D vs Nikon D610

Sigma sd Quattro
Nikon D610
  • $699
  • APS-C
  • Less expensive
  • Focus peaking
  • $1196
  • 35mm
  • Lens selection
  • Larger sensor

Compare Sigma sd Quattro vs Nikon D610

Compared to Canon 7D Mark II

Canon 6D
Canon 7D Mark II
  • $1499
  • 35mm
  • Less expensive
  • Larger sensor
  • $1597
  • APS-C
  • On-sensor phase detect
  • More telephoto lens reach

Compare Canon 6D vs Canon 7D Mark II

Sigma sd Quattro
Canon 7D Mark II
  • $699
  • APS-C
  • Less expensive
  • Focus peaking
  • $1597
  • APS-C
  • Lens selection
  • Built-in GPS

Compare Sigma sd Quattro vs Canon 7D Mark II

Compared to Nikon D600

Canon 6D
Nikon D600
  • $1499
  • 35mm
  • Built-in Wi-Fi
  • Built-in GPS
  • $1900
  • 35mm
  • Fast startup
  • Higher effective ISO

Compare Canon 6D vs Nikon D600

Sigma sd Quattro
Nikon D600
  • $699
  • APS-C
  • Focus peaking
  • On-sensor phase detect
  • $1900
  • 35mm
  • Lens selection
  • Larger sensor

Compare Sigma sd Quattro vs Nikon D600

Compared to Sony A3000

Canon 6D
Sony A3000
  • $1499
  • 35mm
  • Lens selection
  • Larger sensor
  • $598
  • APS-C
  • Focus peaking
  • In-camera panoramas

Compare Canon 6D vs Sony A3000

Sigma sd Quattro
Sony A3000
  • $699
  • APS-C
  • On-sensor phase detect
  • HDMI out
  • $598
  • APS-C
  • Lens selection
  • In-camera panoramas

Compare Sigma sd Quattro vs Sony A3000

Compare Other Cameras?