• APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 25,600
  • APS-C 361.2mm2
  • 25.7 megapixels
  • ISO 100 - 160,000

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Differences

Nikon D3400 advantages over Pentax K-3 III

  • Longer stills battery life
    More info 1200 vs 800 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Bigger JPEG buffer
    100 vs 30 shots
    Take more JPEG shots before waiting (burst mode)

Pentax K-3 III advantages over Nikon D3400

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More cross-type AF points
    25 vs 1
    Cross-type AF points improve autofocus performance
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • Newer
    Brand new vs 5 years old
    Newer cameras often support more advanced features
  • Higher-res screen
    540k vs 307k pixels
    More detail on the screen lets you judge focus and composition
  • More viewfinder magnification
    1.05x vs 0.57x
    Get a bigger view of the scene through the eye-level viewfinder
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • More AF points
    101 vs 11
    More AF points improve autofocus
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Optional anti-aliasing filter
    Optional vs None
    Lets you choose sharper photos or reduced moiré
  • Faster JPEG shooting
    12.0 fps vs 5.1 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    160000 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • 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
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

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Buy the Nikon D3400

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Review Excerpt

  • 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 D3400
Canon T6i
  • $400
  • APS-C
  • Less expensive
  • Larger sensor
  • $592
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Pentax K-3 III
Canon T6i
  • $2000
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $592
  • APS-C
  • Tilt-swivel screen
  • NFC

Compared to Nikon D5500

Nikon D3400
Nikon D5500
  • $400
  • APS-C
  • Less expensive
  • Built-in Bluetooth
  • $597
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Pentax K-3 III
Nikon D5500
  • $2000
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $597
  • APS-C
  • Tilt-swivel screen
  • Internal flash

Compared to Nikon D5600

Nikon D3400
Nikon D5600
  • $400
  • APS-C
  • Less expensive
  • Longer stills battery life
  • $901
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Pentax K-3 III
Nikon D5600
  • $2000
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $901
  • APS-C
  • Tilt-swivel screen
  • NFC

Compared to Pentax KP

Nikon D3400
Pentax KP
  • $400
  • APS-C
  • Less expensive
  • Fast startup
  • $999
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Pentax K-3 III
Pentax KP
  • $2000
  • APS-C
  • Shoot 4K video
  • Touchscreen
  • $999
  • APS-C
  • Tiltable Screen
  • Internal flash

Compared to Canon SL2

Nikon D3400
Canon SL2
  • $400
  • APS-C
  • Less expensive
  • Larger sensor
  • $549
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Pentax K-3 III
Canon SL2
  • $2000
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
  • $549
  • APS-C
  • Tilt-swivel screen
  • NFC
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