• APS-C 368.2mm2
  • 16.2 megapixels
  • ISO 100 - 6400
  • APS-C 332.3mm2
  • 18.0 megapixels
  • ISO 100 - 6400

Advantages

Nikon D5100 over Canon T3i

  • Larger sensor
    APS-C vs APS-C
    More sensor area. Bigger is (generally) better.
  • Fast startup
    0.50 vs 1.50 sec
    Faster startup lets you catch the moment
  • Bigger JPEG buffer
    Unlimited vs 11 shots
    Take more JPEG shots before waiting (single-shot mode)
  • Bigger RAW buffer
    Unlimited vs 6 shots
    Larger buffer for RAW shots (single-shot mode)
  • Higher extended ISO
    25600 vs 12800 ISO
    Higher extended ISO can give more low-light flexibility

Canon T3i over Nikon D5100

  • 60p
    Yes vs No
    A faster framerate can give you more editing options
  • Faster RAW shooting
    2.2 fps vs 1.3 fps
    Faster RAW shooting in single-shot mode
  • Faster JPEG shooting
    2.3 fps vs 1.4 fps
    Faster JPEG shooting (single-shot mode)
  • Kit lens zoom ratio
    7.5x vs 3.0x
    Zooming is easier than walking

Review Excerpt

  • Side-mounted tilt / swivel LCD screen; same sensor and processing as the Nikon D7000; good speed and battery life; in-camera HDR and filter effects; Full HD video capture with aperture control; audio levels control and external microphone jack.

  • AF-S lens mount doesn't offer autofocus with screw-drive lenses; popup flash isn't the greatest; no built-in wireless flash control; HDR function doesn't microalign source images.

  • 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.

The Competition

Compared to Nikon D7000

Nikon D5100
Nikon D7000
  • $476
  • APS-C
  • Tiltable Screen
  • Lighter weight
  • $912
  • APS-C
  • More cross-type AF points
  • High-res screen
Canon T3i
Nikon D7000
  • $536
  • APS-C
  • Tiltable Screen
  • 60p
  • $912
  • APS-C
  • Larger sensor
  • Fast startup

Compared to Sony A58

Nikon D5100
Sony A58
  • $476
  • APS-C
  • Lens selection
  • Fast startup
  • $479
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Canon T3i
Sony A58
  • $536
  • APS-C
  • Lens selection
  • 60p
  • $479
  • APS-C
  • Focus peaking
  • Larger sensor

Compared to Canon T5i

Nikon D5100
Canon T5i
  • $476
  • APS-C
  • Larger sensor
  • Fast startup
  • $740
  • APS-C
  • Touchscreen
  • On-sensor phase detect
Canon T3i
Canon T5i
  • $536
  • APS-C
  • Kit lens zoom ratio
  • $740
  • APS-C
  • Fast startup
  • Touchscreen

Compared to Pentax K-50

Nikon D5100
Pentax K-50
  • $476
  • APS-C
  • Tiltable Screen
  • External Mic
  • $562
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Canon T3i
Pentax K-50
  • $536
  • APS-C
  • Tiltable Screen
  • External Mic
  • $562
  • APS-C
  • Focus peaking
  • Larger sensor

Compared to Pentax K-500

Nikon D5100
Pentax K-500
  • $476
  • APS-C
  • Tiltable Screen
  • External Mic
  • $585
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Canon T3i
Pentax K-500
  • $536
  • APS-C
  • Tiltable Screen
  • External Mic
  • $585
  • APS-C
  • Focus peaking
  • Larger sensor
Compare Other Cameras?
  1. Welcome

    This is our newly designed camera comparison feature!

    Would you like to take a quick tour?

  2. At a Glance

    Here are a few features that give an at-a-glance view of the cameras.

  3. Purchase from our trusted partners

    Purchasing cameras (or any other products) through our trusted retailers helps support this content!

  4. Comparative Advantages

    These are what we think are the key advantages of each camera over the other.

  5. Review Excerpts

    What you see here is an excerpt of the pros and cons for these cameras from our reviews.

    You can click to see the review page for each camera, or ask us to review them if we haven’t already

  6. The Competition

    Here are some other competitors that you might be interested in.

  7. A Competitor, In Brief

    This is a brief summary of the comparison.

    Click to view the full analysis!

  8. Choose Another Matchup

    Click on a camera name or manufacturer to choose a different camera to compare.