• APS-C 369.7mm2
  • 14.6 megapixels
  • ISO 100 - 3200
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 25,600

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Differences

Samsung GX-20 advantages over Nikon D3400

  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 5.07 vs 3.92 microns
    Better low-light and dynamic range (all else equal)
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • More cross-type AF points
    9 vs 1
    Cross-type AF points improve autofocus performance
  • Pentaprism viewfinder
    Pentaprism vs Pentamirror
    Much better viewfinder picture fidelity
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Nikon D3400 advantages over Samsung GX-20

  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Higher effective ISO
    1,192 vs 714 iso
    Take photos in low light with less noise
  • More dynamic range
    13.9 vs 11.2 evs
    Retain detail in highlight and shadows
  • Newer
    8 years vs 17 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    24.2 vs 14.6 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
  • Higher extended ISO
    25600 vs 6400 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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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
  • 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
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • 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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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.

The Competition

Compared to Canon T6i

Samsung GX-20
Canon T6i
  • $1400
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization
  • $699
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Nikon D3400
Canon T6i
  • $497
  • APS-C
  • Less expensive
  • Larger sensor
  • $699
  • APS-C
  • Tilt-swivel screen
  • Touchscreen

Compared to Pentax K20D

Samsung GX-20
Pentax K20D
  • $1400
  • APS-C
  • Higher effective ISO
  • $800
  • APS-C
  • Less expensive
Nikon D3400
Pentax K20D
  • $497
  • APS-C
  • Built-in Bluetooth
  • Higher effective ISO
  • $800
  • APS-C
  • In-Camera Image Stabilization
  • Bigger pixels

Compared to Canon 50D

Samsung GX-20
Canon 50D
  • $1400
  • APS-C
  • In-Camera Image Stabilization
  • $1000
  • APS-C
  • HDMI out
  • More dots on screen
Nikon D3400
Canon 50D
  • $497
  • APS-C
  • Built-in Bluetooth
  • Better color depth
  • $1000
  • APS-C
  • Bigger pixels
  • Fast startup

Compared to Pentax K-7

Samsung GX-20
Pentax K-7
  • $1400
  • APS-C
  • Higher effective ISO
  • $1300
  • APS-C
  • HDMI out
  • More dots on screen
Nikon D3400
Pentax K-7
  • $497
  • APS-C
  • Built-in Bluetooth
  • Higher effective ISO
  • $1300
  • APS-C
  • In-Camera Image Stabilization
  • Bigger pixels

Compared to Nikon D5600

Samsung GX-20
Nikon D5600
  • $1400
  • APS-C
  • In-Camera Image Stabilization
  • Bigger pixels
  • $898
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
Nikon D3400
Nikon D5600
  • $497
  • APS-C
  • Less expensive
  • Longer stills battery life
  • $898
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
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