• APS-C 368.2mm2
  • 16.2 megapixels
  • ISO 100 - 6400
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 25,600

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Differences

Nikon D5100 advantages over Nikon D3400

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Bigger pixels
    ~ 4.79 vs 3.92 microns
    Better low-light and dynamic range (all else equal)
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Nikon D3400 advantages over Nikon D5100

  • Less expensive
    $497 vs $650*
    Save money for lenses or accessories
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Longer stills battery life
    More info 1200 vs 660 shots
    Capture more photos
  • Newer
    8 years vs 13 years old
    Newer cameras often support more advanced features
  • More viewfinder magnification
    0.57x vs 0.52x
    Get a bigger view of the scene through the eye-level viewfinder
  • 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
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Faster JPEG shooting
    5.1 fps vs 3.9 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    5.1 fps vs 4.0 fps
    Faster RAW shooting in 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

  • 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
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • 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
  • 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

Your purchases support this site

Buy the Nikon D3400

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.

  • Compact DSLR camera body; Excellent image quality; Reliable single-shot autofocus; Good continuous JPEG shooting performance; New kit lens has improved AF; Great value at current prices.

  • SnapBridge is slow and limited; Poor continuous autofocus; No built-in Wi-Fi; Mediocre video features.

The Competition

Compared to Canon T6i

Nikon D5100
Canon T6i
  • $650
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $549
  • APS-C
  • Touchscreen
  • Built-in Wi-Fi
Nikon D3400
Canon T6i
  • $497
  • APS-C
  • Less expensive
  • Larger sensor
  • $549
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compared to Sony A55

Nikon D5100
Sony A55
  • $650
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $734
  • APS-C
  • In-Camera Image Stabilization
  • In-camera panoramas
Nikon D3400
Sony A55
  • $497
  • APS-C
  • Lens selection
  • Fast startup
  • $734
  • APS-C
  • In-Camera Image Stabilization
  • Bigger pixels

Compared to Sony A33

Nikon D5100
Sony A33
  • $650
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $540
  • APS-C
  • In-Camera Image Stabilization
  • In-camera panoramas
Nikon D3400
Sony A33
  • $497
  • APS-C
  • Lens selection
  • Fast startup
  • $540
  • APS-C
  • In-Camera Image Stabilization
  • Bigger pixels

Compared to Sony A57

Nikon D5100
Sony A57
  • $650
  • APS-C
  • Lens selection
  • Tilt-swivel screen
  • $800
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Nikon D3400
Sony A57
  • $497
  • APS-C
  • Lens selection
  • Built-in Bluetooth
  • $800
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization

Compared to Nikon D5500

Nikon D5100
Nikon D5500
  • $650
  • APS-C
  • Bigger pixels
  • Has anti-aliasing filter
  • $597
  • APS-C
  • Touchscreen
  • Built-in Wi-Fi
Nikon D3400
Nikon D5500
  • $497
  • APS-C
  • Less expensive
  • Built-in Bluetooth
  • $597
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
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