• APS-C 368.2mm2
  • 16.2 megapixels
  • ISO 100 - 6400
  • APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 12,800

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Differences

Nikon D5100 advantages over Canon EOS M3

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Larger sensor
    APS-C vs APS-C
    More sensor area. Bigger is (generally) better.
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 4.79 vs 3.72 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.50 vs 2.4 sec
    Faster startup lets you catch the moment
  • More dynamic range
    13.6 vs 11.8 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 660 vs 250 shots
    Capture more photos
  • Bigger RAW buffer
    13 vs 4 shots
    Larger buffer for RAW shots (burst mode)

Canon EOS M3 advantages over Nikon D5100

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Thinner
    44 mm vs 79 mm
    Thinner
  • Newer
    3 years vs 7 years old
    Newer cameras often support more advanced features
  • Less shutter lag
    0.13 vs 0.27 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    24.2 vs 16.2 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Bigger JPEG buffer
    Unlimited vs 100 shots
    Take more JPEG shots before waiting (burst mode)

Similarities

Common Strengths

  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use an external screen 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

  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • 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

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Your purchases support this site

Buy the Canon EOS M3

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.

  • DSLR image quality & resolution in a mirrorless body; Higher-res 24MP APS-C sensor; Much improved AF performance; Better ergonomics with full PASM dial; Built-in Wi-Fi & NFC; Tilting LCD.

  • No built-in EVF; Limited native lens selection; Slow burst mode; Shallow buffer depth with RAW files; No 60p video frame rate or 4K video option.

The Competition

Compared to Nikon D3100

Nikon D5100
Nikon D3100
  • $499
  • APS-C
  • Tilt-swivel screen
  • Higher effective ISO
  • $700
  • APS-C
Canon EOS M3
Nikon D3100
  • $549
  • APS-C
  • Focus peaking
  • Touchscreen
  • $700
  • APS-C
  • Lens selection
  • Eye-level viewfinder

Compared to Sony A35

Nikon D5100
Sony A35
  • $499
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $567
  • APS-C
  • In-Camera Image Stabilization
  • In-camera panoramas
Canon EOS M3
Sony A35
  • $549
  • APS-C
  • Focus peaking
  • Touchscreen
  • $567
  • APS-C
  • Lens selection
  • Eye-level viewfinder

Compared to Sony A57

Nikon D5100
Sony A57
  • $499
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $800
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Canon EOS M3
Sony A57
  • $549
  • APS-C
  • Touchscreen
  • Built-in Wi-Fi
  • $800
  • APS-C
  • Lens selection
  • Larger sensor

Compared to Samsung NX3000

Nikon D5100
Samsung NX3000
  • $499
  • APS-C
  • Lens selection
  • Less expensive
  • $599
  • APS-C
  • In-camera panoramas
  • Built-in Wi-Fi
Canon EOS M3
Samsung NX3000
  • $549
  • APS-C
  • Focus peaking
  • Touchscreen
  • $599
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sony A5100

Nikon D5100
Sony A5100
  • $499
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $448
  • APS-C
  • Focus peaking
  • Touchscreen
Canon EOS M3
Sony A5100
  • $549
  • APS-C
  • More telephoto lens reach
  • External Mic Jack
  • $448
  • APS-C
  • Lens selection
  • Larger sensor
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