• APS-C 328.6mm2
  • 12.2 megapixels
  • ISO 100 - 1600
  • 35mm 864.0mm2
  • 18.1 megapixels
  • ISO 100 - 51,200

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Differences

Canon XSi advantages over Canon 1DX

  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    61 mm vs 82 mm
    Thinner
  • Lighter weight
    539g vs 1551g
    Lighter weight

Canon 1DX advantages over Canon XSi

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 6.94 vs 5.20 microns
    Better low-light and dynamic range (all else equal)
  • Higher effective ISO
    2,786 vs 692 iso
    Take photos in low light with less noise
  • Longer stills battery life
    More info 1120 vs 500 shots
    Capture more 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
  • More cross-type AF points
    41 vs 1
    Cross-type AF points improve autofocus performance
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • Newer
    6 years vs 10 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use an external screen to monitor or review video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    1040k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More viewfinder magnification
    0.76x vs 0.54x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    18.1 vs 12.2 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
  • More AF points
    61 vs 9
    More AF points improve autofocus
  • Faster JPEG shooting
    12.0 fps vs 3.5 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    204800 vs 1600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • 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
  • 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
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

Buy From

Review Excerpt

The Competition

Compared to Sony DSLR-A350

Canon XSi
Sony DSLR-A350
  • $649
  • APS-C
  • Lens selection
  • Fast startup
  • $900
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Canon 1DX
Sony DSLR-A350
  • $4959
  • 35mm
  • Lens selection
  • Larger sensor
  • $900
  • APS-C
  • In-Camera Image Stabilization
  • Tiltable Screen

Compared to Pentax K2000

Canon XSi
Pentax K2000
  • $649
  • APS-C
  • More pixels
  • More AF points
  • $556
  • APS-C
  • Less expensive
  • Larger sensor
Canon 1DX
Pentax K2000
  • $4959
  • 35mm
  • Larger sensor
  • Top deck display
  • $556
  • APS-C
  • In-Camera Image Stabilization
  • Internal flash

Compared to Canon T1i

Canon XSi
Canon T1i
  • $649
  • APS-C
  • Longer stills battery life
  • $900
  • APS-C
  • Fast startup
  • HDMI out
Canon 1DX
Canon T1i
  • $4959
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $900
  • APS-C
  • Fast startup
  • Internal flash

Compared to Nikon D4

Canon XSi
Nikon D4
  • $649
  • APS-C
  • Internal flash
  • Thinner
  • $6497
  • 35mm
  • Larger sensor
  • Bigger pixels
Canon 1DX
Nikon D4
  • $4959
  • 35mm
  • Less expensive
  • More cross-type AF points
  • $6497
  • 35mm
  • Fast startup
  • More dynamic range

Compared to Canon EOS-1D C

Canon XSi
Canon EOS-1D C
  • $649
  • APS-C
  • Less expensive
  • Internal flash
  • $6989
  • 35mm
  • Larger sensor
  • Bigger pixels
Canon 1DX
Canon EOS-1D C
  • $4959
  • 35mm
  • $6989
  • 35mm
  • Shoot 4K video
  • Headphone jack
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