• APS-C 332.3mm2
  • 15.1 megapixels
  • ISO 100 - 6400
  • APS-C 355.7mm2
  • 14.2 megapixels
  • ISO 100 - 3200

Buy From

Differences

Canon T1i advantages over Nikon D3100

  • Fast startup
    ~0.30 vs 0.4 sec
    Faster startup lets you catch the moment
  • More dots on screen
    920k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Less shutter lag
    0.16 vs 0.28 sec
    Focus and take a photo quickly (wide angle)
  • Faster JPEG shooting
    3.4 fps vs 2.9 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 100 shots
    Take more JPEG shots before waiting (burst mode)

Nikon D3100 advantages over Canon T1i

  • Less expensive
    $700 vs $900 (MSRP)
    Save money for lenses or accessories
  • Higher effective ISO
    919 vs 663 iso
    Take photos in low light with less noise
  • Longer stills battery life
    More info 550 vs 400 shots
    Capture more photos
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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

  • 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
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Pentaprism viewfinder
    Neither provide
    Much better viewfinder picture fidelity
  • 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

Buy From

Your purchases support this site

Your purchases support this site

Review Excerpt

The Competition

Compared to Canon XSi

Canon T1i
Canon XSi
  • $900
  • APS-C
  • Fast startup
  • HDMI out
  • $649
  • APS-C
  • Longer stills battery life
Nikon D3100
Canon XSi
  • $700
  • APS-C
  • Less expensive
  • Higher effective ISO
  • $649
  • APS-C
  • Less shutter lag
  • Faster JPEG shooting

Compared to Sony DSLR-A350

Canon T1i
Sony DSLR-A350
  • $900
  • APS-C
  • Lens selection
  • Fast startup
  • $900
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Nikon D3100
Sony DSLR-A350
  • $700
  • APS-C
  • Lens selection
  • Less expensive
  • $900
  • APS-C
  • In-Camera Image Stabilization
  • Tiltable Screen

Compared to Sony DSLR-A390

Canon T1i
Sony DSLR-A390
  • $900
  • APS-C
  • Lens selection
  • Thinner
  • $507
  • APS-C
  • Larger sensor
  • Less expensive
Nikon D3100
Sony DSLR-A390
  • $700
  • APS-C
  • Lens selection
  • Higher effective ISO
  • $507
  • APS-C
  • Less expensive
  • In-Camera Image Stabilization

Compared to Sony A33

Canon T1i
Sony A33
  • $900
  • APS-C
  • Lens selection
  • Fast startup
  • $540
  • APS-C
  • Less expensive
  • Larger sensor
Nikon D3100
Sony A33
  • $700
  • APS-C
  • Lens selection
  • Fast startup
  • $540
  • APS-C
  • In-Camera Image Stabilization
  • In-camera panoramas

Compared to Pentax K-r

Canon T1i
Pentax K-r
  • $900
  • APS-C
  • HDMI out
  • Shoots 1080p video
  • $850
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
Nikon D3100
Pentax K-r
  • $700
  • APS-C
  • Less expensive
  • Higher effective ISO
  • $850
  • APS-C
  • In-Camera Image Stabilization
  • Fast startup
Compare Other Cameras?