• APS-C 328.6mm2
  • 12.2 megapixels
  • ISO 100 - 1600
  • 35mm 861.6mm2
  • 24.5 megapixels
  • ISO 100 - 1600

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Differences

Canon XSi advantages over Nikon D3X

  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    61 mm vs 87 mm
    Thinner
  • Lighter weight
    539g vs 1392g
    Lighter weight
  • Bigger JPEG buffer
    53 vs 31 shots
    Take more JPEG shots before waiting (burst mode)

Nikon D3X advantages over Canon XSi

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Fast startup
    ~0.30 vs 0.4 sec
    Faster startup lets you catch the moment
  • Better color depth
    24.7 vs 21.9 bits
    Capture richer, more accurate colors
  • Higher effective ISO
    1,992 vs 692 iso
    Take photos in low light with less noise
  • More dynamic range
    13.7 vs 10.8 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 4400 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
    15 vs 1
    Cross-type AF points improve autofocus performance
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • HDMI out
    HDMI out vs None
    Use an external screen to monitor or review video
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • More viewfinder magnification
    0.70x vs 0.54x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    24.5 vs 12.2 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • More AF points
    51 vs 9
    More AF points improve autofocus
  • Faster JPEG shooting
    5.0 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
    6400 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
  • 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

User reviews

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
Nikon D3X
Sony DSLR-A350
  • $6999
  • 35mm
  • Lens selection
  • Larger sensor
  • $900
  • APS-C
  • In-Camera Image Stabilization
  • Tiltable Screen

Compared to Canon 5D Mark II

Canon XSi
Canon 5D Mark II
  • $649
  • APS-C
  • Internal flash
  • $2850
  • 35mm
  • Larger sensor
  • Bigger pixels
Nikon D3X
Canon 5D Mark II
  • $6999
  • 35mm
  • Fast startup
  • More dynamic range
  • $2850
  • 35mm
  • Less expensive
  • Shoots 1080p video

Compared to Pentax K2000

Canon XSi
Pentax K2000
  • $649
  • APS-C
  • More pixels
  • More AF points
  • $556
  • APS-C
  • Less expensive
  • Larger sensor
Nikon D3X
Pentax K2000
  • $6999
  • 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
Nikon D3X
Canon T1i
  • $6999
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $900
  • APS-C
  • Internal flash
  • Thinner

Compared to Nikon D4

Canon XSi
Nikon D4
  • $649
  • APS-C
  • Internal flash
  • Thinner
  • $6497
  • 35mm
  • Larger sensor
  • Bigger pixels
Nikon D3X
Nikon D4
  • $6999
  • 35mm
  • Longer stills battery life
  • More pixels
  • $6497
  • 35mm
  • Bigger pixels
  • Higher effective ISO
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