• APS-C 372.9mm2
  • 10.2 megapixels
  • ISO 100 - 1600
  • APS-C 369.7mm2
  • 20.3 megapixels
  • ISO 100 - 12,800

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Differences

Nikon D3000 advantages over Samsung NX20

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Bigger pixels
    ~ 6.10 vs 4.33 microns
    Better low-light and dynamic range (all else equal)
  • Fast startup
    ~0.70 vs 3.0 sec
    Faster startup lets you catch the moment
  • Longer stills battery life
    More info 550 vs 360 shots
    Capture more photos

Samsung NX20 advantages over Nikon D3000

  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Higher effective ISO
    785 vs 563 iso
    Take photos in low light with less noise
  • More dynamic range
    12.9 vs 11.1 evs
    Retain detail in highlight and shadows
  • Thinner
    39 mm vs 64 mm
    Thinner
  • 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
    614k 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 viewfinder magnification
    0.69x vs 0.53x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    20.3 vs 10.2 megapixels
    Higher resolution photos
  • Faster JPEG shooting
    7.5 fps vs 3.0 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    12800 vs 3200 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

  • 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 Bluetooth
    Neither provide
    Always-on wireless connectivity
  • 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
  • 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

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Review Excerpt

  • High quality images with lots of detail; Excellent graphical user interface is fun to use; Smart implementation of WiFi makes it relatively easy to share photos wirelessly.

  • Designed so much like a DSLR you may wonder why you shouldn't get a DSLR instead; Some performance issues, particularly slow buffer clearing and shot-to-shot speed; Initial WiFi set-up can be confusing.

The Competition

Compared to Canon XS

Nikon D3000
Canon XS
  • $450
  • APS-C
  • Less expensive
  • Larger sensor
  • $440
  • APS-C
  • Fast startup
  • Less shutter lag
Samsung NX20
Canon XS
  • $499
  • APS-C
  • Larger sensor
  • Tiltable Screen
  • $440
  • APS-C
  • Lens selection
  • Bigger pixels

Compared to Sony DSLR-A230

Nikon D3000
Sony DSLR-A230
  • $450
  • APS-C
  • Lens selection
  • Faster JPEG shooting
  • $549
  • APS-C
  • In-Camera Image Stabilization
  • HDMI out
Samsung NX20
Sony DSLR-A230
  • $499
  • APS-C
  • Tiltable Screen
  • Built-in Wi-Fi
  • $549
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization

Compared to Sony DSLR-A330

Nikon D3000
Sony DSLR-A330
  • $450
  • APS-C
  • Lens selection
  • More viewfinder magnification
  • $530
  • APS-C
  • In-Camera Image Stabilization
  • Tiltable Screen
Samsung NX20
Sony DSLR-A330
  • $499
  • APS-C
  • Built-in Wi-Fi
  • Higher effective ISO
  • $530
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization

Compared to Pentax K-01

Nikon D3000
Pentax K-01
  • $450
  • APS-C
  • Less expensive
  • Eye-level viewfinder
  • $359
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization
Samsung NX20
Pentax K-01
  • $499
  • APS-C
  • Eye-level viewfinder
  • Tiltable Screen
  • $359
  • APS-C
  • Lens selection
  • Focus peaking

Compared to Fujifilm X-E1

Nikon D3000
Fujifilm X-E1
  • $450
  • APS-C
  • Lens selection
  • Bigger pixels
  • $499
  • APS-C
  • Focus peaking
  • In-camera panoramas
Samsung NX20
Fujifilm X-E1
  • $499
  • APS-C
  • Less expensive
  • Tiltable Screen
  • $499
  • APS-C
  • Lens selection
  • Focus peaking
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