• APS-C 369.7mm2
  • 20.3 megapixels
  • ISO 100 - 12,800
  • 4/3 226.2mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Samsung NX20 advantages over Olympus E-M10 IV

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.33 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Olympus E-M10 IV advantages over Samsung NX20

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • 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 (DCI) vs 1080p
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Newer
    4 years vs 13 years old
    Newer cameras often support more advanced features
  • More dots on screen
    1037k vs 614k dots
    Can mean greater resolution or a brighter screen
  • 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
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 vs 1/8000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 12800 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
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • 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

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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

User reviews

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Kit with 18-55mm Lens
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Buy the Olympus E-M10 IV
Body Only
  • Body Only
  • Kit with 14-42mm Lens
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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.

  • Read our Samsung NX20 Review

The Competition

Compared to Pentax K-01

Samsung NX20
Pentax K-01
  • $400
  • APS-C
  • Eye-level viewfinder
  • Tiltable Screen
  • $359
  • APS-C
  • Lens selection
  • Focus peaking

Compare Samsung NX20 vs Pentax K-01

Olympus E-M10 IV
Pentax K-01
  • $666
  • 4/3
  • Eye-level viewfinder
  • Shoot 4K video
  • $359
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M10 IV vs Pentax K-01

Compared to Sony NEX-F3

Samsung NX20
Sony NEX-F3
  • $400
  • APS-C
  • Eye-level viewfinder
  • Built-in Wi-Fi
  • $600
  • APS-C
  • Lens selection
  • Less expensive

Compare Samsung NX20 vs Sony NEX-F3

Olympus E-M10 IV
Sony NEX-F3
  • $666
  • 4/3
  • Lens selection
  • Focus peaking
  • $600
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M10 IV vs Sony NEX-F3

Compared to Fujifilm X-E1

Samsung NX20
Fujifilm X-E1
  • $400
  • APS-C
  • Less expensive
  • Tiltable Screen
  • $899
  • APS-C
  • Lens selection
  • Focus peaking

Compare Samsung NX20 vs Fujifilm X-E1

Olympus E-M10 IV
Fujifilm X-E1
  • $666
  • 4/3
  • Lens selection
  • In-Camera Image Stabilization
  • $899
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M10 IV vs Fujifilm X-E1

Compared to Olympus E-M5 III

Samsung NX20
Olympus E-M5 III
  • $400
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $924
  • 4/3
  • Tilt-swivel screen
  • Lens selection

Compare Samsung NX20 vs Olympus E-M5 III

Olympus E-M10 IV
Olympus E-M5 III
  • $666
  • 4/3
  • Less expensive
  • Longer video battery life
  • $924
  • 4/3
  • Tilt-swivel screen
  • High resolution composite

Compare Olympus E-M10 IV vs Olympus E-M5 III

Compared to Panasonic G100

Samsung NX20
Panasonic G100
  • $400
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $599
  • 4/3
  • Lens selection
  • Focus peaking

Compare Samsung NX20 vs Panasonic G100

Olympus E-M10 IV
Panasonic G100
  • $666
  • 4/3
  • In-Camera Image Stabilization
  • More telephoto lens reach
  • $599
  • 4/3
  • Less expensive
  • Tilt-swivel screen

Compare Olympus E-M10 IV vs Panasonic G100

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