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

Buy From

Differences

Nikon D3100 advantages over Canon T7

  • Bigger pixels
    ~ 5.01 vs 3.72 microns
    Better low-light and dynamic range (all else equal)

Canon T7 advantages over Nikon D3100

  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Newer
    18 months vs 9 years old
    Newer cameras often support more advanced features
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    24.1 vs 14.2 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Bigger JPEG buffer
    150 vs 100 shots
    Take more JPEG shots before waiting (burst mode)

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

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • 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 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

User reviews

Buy From

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Buy the Canon T7

Review Excerpt

The Competition

Compared to Sony A33

Nikon D3100
Sony A33
  • $700
  • APS-C
  • Lens selection
  • Fast startup
  • $540
  • APS-C
  • In-Camera Image Stabilization
  • In-camera panoramas
Canon T7
Sony A33
  • $449
  • APS-C
  • Lens selection
  • Built-in Wi-Fi
  • $540
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Pentax K-r

Nikon D3100
Pentax K-r
  • $700
  • APS-C
  • Less expensive
  • Higher effective ISO
  • $850
  • APS-C
  • In-Camera Image Stabilization
  • Fast startup
Canon T7
Pentax K-r
  • $449
  • APS-C
  • Built-in Wi-Fi
  • NFC
  • $850
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Nikon D5100

Nikon D3100
Nikon D5100
  • $700
  • APS-C
  • $499
  • APS-C
  • Tilt-swivel screen
  • Higher effective ISO
Canon T7
Nikon D5100
  • $449
  • APS-C
  • Built-in Wi-Fi
  • NFC
  • $499
  • APS-C
  • Tilt-swivel screen
  • Larger sensor

Compared to Canon SL2

Nikon D3100
Canon SL2
  • $700
  • APS-C
  • Bigger pixels
  • Fast startup
  • $449
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Canon T7
Canon SL2
  • $449
  • APS-C
  • Less expensive
  • Newer
  • $449
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compared to Nikon D3500

Nikon D3100
Nikon D3500
  • $700
  • APS-C
  • Bigger pixels
  • Has anti-aliasing filter
  • $397
  • APS-C
  • Built-in Bluetooth
  • Longer stills battery life
Canon T7
Nikon D3500
  • $449
  • APS-C
  • Built-in Wi-Fi
  • NFC
  • $397
  • APS-C
  • Larger sensor
  • Built-in Bluetooth
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