• APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 25,600
  • 35mm 847.3mm2
  • 24.2 megapixels
  • ISO 100 - 51,200

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Differences

Nikon D3400 advantages over Sony A9

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • Less expensive
    $400 vs $3498*
    Save money for lenses or accessories
  • Fast startup
    ~0.50 vs 1.2 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 1200 vs 650 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos

Sony A9 advantages over Nikon D3400

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.93 vs 3.92 microns
    Better low-light and dynamic range (all else equal)
  • 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
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Higher effective ISO
    3,517 vs 1,192 iso
    Take photos in low light with less noise
  • Longer video battery life
    105 vs 60 minutes
    Capture more video
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More viewfinder magnification
    0.78x 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
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Faster JPEG shooting
    20.0 fps vs 5.1 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    364 vs 100 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    20.0 fps vs 5.1 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    240 vs 12 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/32000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    204800 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
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera

User reviews

Buy From

Your purchases support this site

Buy the Nikon D3400

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.

  • New sensor offers incredible performance; Excellent image quality at low & high ISOs; Very good dynamic range; Phenomenal 20fps burst speed & deep buffer; Very good battery life for a mirrorless; 4K video; Dual card slots.

  • Slow buffer clearing; Only one card slot is UHS-II compatible; Touchscreen underutilized; No lossless RAW compression option; No 4K/60p option.

The Competition

Compared to Canon T6i

Nikon D3400
Canon T6i
  • $400
  • APS-C
  • Less expensive
  • Larger sensor
  • $549
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Sony A9
Canon T6i
  • $3498
  • 35mm
  • Focus peaking
  • Larger sensor
  • $549
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Nikon D5500

Nikon D3400
Nikon D5500
  • $400
  • APS-C
  • Built-in Bluetooth
  • Longer stills battery life
  • $461
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Sony A9
Nikon D5500
  • $3498
  • 35mm
  • Focus peaking
  • Larger sensor
  • $461
  • APS-C
  • Lens selection
  • Less expensive

Compared to Leica SL (Typ 601)

Nikon D3400
Leica SL (Typ 601)
  • $400
  • APS-C
  • Less expensive
  • Fast startup
  • $5995
  • 35mm
  • Focus peaking
  • Larger sensor
Sony A9
Leica SL (Typ 601)
  • $3498
  • 35mm
  • Less expensive
  • In-Camera Image Stabilization
  • $5995
  • 35mm
  • Built-in GPS
  • Top deck display

Compared to Nikon D5600

Nikon D3400
Nikon D5600
  • $400
  • APS-C
  • Less expensive
  • Longer stills battery life
  • $597
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Sony A9
Nikon D5600
  • $3498
  • 35mm
  • Focus peaking
  • Larger sensor
  • $597
  • APS-C
  • Lens selection
  • Less expensive

Compared to Canon SL2

Nikon D3400
Canon SL2
  • $400
  • APS-C
  • Less expensive
  • Larger sensor
  • $449
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Sony A9
Canon SL2
  • $3498
  • 35mm
  • Focus peaking
  • Larger sensor
  • $449
  • APS-C
  • Less expensive
  • Tilt-swivel screen
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