• APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 6400
  • APS-H 476.1mm2
  • 25.6 megapixels
  • ISO 100 - 6400

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Differences

Canon T3i advantages over Sigma sd Quattro H

  • Less expensive
    $600 vs $1200 (MSRP)
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • 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
  • Higher extended ISO
    12800 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Sigma sd Quattro H advantages over Canon T3i

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    APS-H vs APS-C
    More sensor area. Bigger is (generally) better.
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Newer
    8 years vs 14 years old
    Newer cameras often support more advanced features
  • More dots on screen
    1620k vs 1040k dots
    Can mean greater resolution or a brighter screen
  • More viewfinder magnification
    0.74x vs 0.53x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    25.6 vs 18.0 megapixels
    Higher resolution photos
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré
  • Faster RAW shooting
    4.4 fps vs 3.6 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    8 vs 5 shots
    Larger buffer for RAW shots (burst mode)

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

  • 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
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • 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
  • 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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Buy the Canon T3i

Your purchases support this site

Buy the Sigma sd Quattro H
Body Only
All sd Quattro H Deals

Review Excerpt

  • Excellent image quality; Good grip; Full HD video recording; Swiveling LCD; Very fast autofocus; HDMI output.

  • Slow frame rate for sports shooting; Tendency to overexpose in bright sunlight; Live View AF is slow; No microfocus adjustment.

  • Read our Canon T3i Full Review

The Competition

Compared to Nikon D7000

Canon T3i
Nikon D7000
  • $549
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $699
  • APS-C
  • Larger sensor
  • Fast startup

Compare Canon T3i vs Nikon D7000

Sigma sd Quattro H
Nikon D7000
  • $1199
  • APS-H
  • Less expensive
  • Focus peaking
  • $699
  • APS-C
  • Lens selection
  • Internal flash

Compare Sigma sd Quattro H vs Nikon D7000

Compared to Pentax K-5

Canon T3i
Pentax K-5
  • $549
  • APS-C
  • Tilt-swivel screen
  • More telephoto lens reach
  • $800
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compare Canon T3i vs Pentax K-5

Sigma sd Quattro H
Pentax K-5
  • $1199
  • APS-H
  • Focus peaking
  • Larger sensor
  • $800
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization

Compare Sigma sd Quattro H vs Pentax K-5

Compared to Canon T4i

Canon T3i
Canon T4i
  • $549
  • APS-C
  • $579
  • APS-C
  • Touchscreen
  • Fast startup

Compare Canon T3i vs Canon T4i

Sigma sd Quattro H
Canon T4i
  • $1199
  • APS-H
  • Focus peaking
  • Larger sensor
  • $579
  • APS-C
  • Lens selection
  • Tilt-swivel screen

Compare Sigma sd Quattro H vs Canon T4i

Compared to Sigma sd Quattro

Canon T3i
Sigma sd Quattro
  • $549
  • APS-C
  • Tilt-swivel screen
  • Lens selection
  • $699
  • APS-C
  • Focus peaking
  • On-sensor phase detect

Compare Canon T3i 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

Canon T3i
Fujifilm X-H1
  • $549
  • APS-C
  • Tilt-swivel screen
  • Lens selection
  • $1199
  • APS-C
  • Focus peaking
  • Larger sensor

Compare Canon T3i vs Fujifilm X-H1

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

Compare Sigma sd Quattro H vs Fujifilm X-H1

Compare Other Cameras?