• 35mm 861.6mm2
  • 36.3 megapixels
  • ISO 100 - 6400
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 25,600

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Differences

Nikon D800 advantages over Nikon D3400

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.88 vs 3.92 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.30 vs 0.5 sec
    Faster startup lets you catch the moment
  • Higher effective ISO
    2,853 vs 1,192 iso
    Take photos in low light with less noise
  • 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
    15 vs 1
    Cross-type AF points improve autofocus performance
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • More viewfinder magnification
    0.70x vs 0.57x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    36.3 vs 24.2 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • More AF points
    51 vs 11
    More AF points improve autofocus
  • 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
  • Bigger RAW buffer
    18 vs 12 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light

Nikon D3400 advantages over Nikon D800

  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Longer stills battery life
    More info 1200 vs 900 shots
    Capture more photos
  • Newer
    2 years vs 7 years old
    Newer cameras often support more advanced features
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Faster JPEG shooting
    5.1 fps vs 4.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    100 vs 54 shots
    Take more JPEG shots before waiting (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

  • 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 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
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

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Buy the Nikon D3400

Review Excerpt

  • Rugged build; Excellent controls; Extremely high resolution; Dual cards; Surprising high ISO performance.

  • Very large files; Slower frame rate; Custom white balance gives a greenish tint; Battery life lower than D700.

  • 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 D800
Canon T6i
  • $1850
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $549
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Nikon D3400
Canon T6i
  • $447
  • APS-C
  • Less expensive
  • Larger sensor
  • $549
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compared to Nikon D800E

Nikon D800
Nikon D800E
  • $1850
  • 35mm
  • Has anti-aliasing filter
  • $2212
  • 35mm
  • Lacks anti-aliasing filter
Nikon D3400
Nikon D800E
  • $447
  • APS-C
  • Built-in Bluetooth
  • Longer stills battery life
  • $2212
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Sony A99

Nikon D800
Sony A99
  • $1850
  • 35mm
  • Lens selection
  • Fast startup
  • $1998
  • 35mm
  • Tilt-swivel screen
  • Focus peaking
Nikon D3400
Sony A99
  • $447
  • APS-C
  • Lens selection
  • Less expensive
  • $1998
  • 35mm
  • Focus peaking
  • Larger sensor

Compared to Nikon D810

Nikon D800
Nikon D810
  • $1850
  • 35mm
  • Fast startup
  • Has anti-aliasing filter
  • $2797
  • 35mm
  • Longer stills battery life
  • Newer
Nikon D3400
Nikon D810
  • $447
  • APS-C
  • Less expensive
  • Built-in Bluetooth
  • $2797
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Nikon D5600

Nikon D800
Nikon D5600
  • $1850
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $597
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Nikon D3400
Nikon D5600
  • $447
  • APS-C
  • Less expensive
  • Longer stills battery life
  • $597
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
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