• APS-C 369.0mm2
  • 20.3 megapixels
  • ISO 100 - 25,600
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 6400

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Differences

Samsung NX30 advantages over Olympus E-M5 III

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.29 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash

Olympus E-M5 III advantages over Samsung NX30

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • 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
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Newer
    4 years vs 10 years old
    Newer cameras often support more advanced features
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    30.0 fps vs 8.9 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    30.0 fps vs 8.8 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    23 vs 12 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/32000 vs 1/8000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • 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
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • 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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Your purchases support this site

Buy the Olympus E-M5 III

Review Excerpt

  • Very good image quality at low to moderately high ISOs; Blazing fast single-shot autofocus; Fast 9fps burst with RAW and JPEG files; Built-in Wi-Fi with NFC; Good build quality; Tilting EVF; Articulating touchscreen monitor; Bundled with Adobe Lightroom 5 software; Excellent value.

  • Dynamic range not as good as the best APS-C models; Slow buffer clearing even with fast UHS-I cards; Buffer depth with RAW files is underwhelming; Native lens selection is still fairly limited.

  • Improved image quality; Very good dynamic range & high ISO performance for a modern MFT sensor; Very fast AF; Excellent image stabilization; 4K video recording; Weather-sealed build quality.

  • Below average battery life; Small size can be awkward with long, heavy lenses; One SD card slot.

The Competition

Compared to Samsung Galaxy NX

Samsung NX30
Samsung Galaxy NX
  • $899
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $1199
  • APS-C
  • Slower slow-motion
  • Built-in Bluetooth
Olympus E-M5 III
Samsung Galaxy NX
  • $950
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $1199
  • APS-C
  • Larger sensor
  • Slower slow-motion

Compared to Fujifilm X-E2

Samsung NX30
Fujifilm X-E2
  • $899
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $1059
  • APS-C
  • Lens selection
  • Doesn't require an AA filter
Olympus E-M5 III
Fujifilm X-E2
  • $950
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $1059
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Fujifilm X-T1

Samsung NX30
Fujifilm X-T1
  • $899
  • APS-C
  • Tilt-swivel screen
  • Touchscreen
  • $1299
  • APS-C
  • Lens selection
  • More viewfinder magnification
Olympus E-M5 III
Fujifilm X-T1
  • $950
  • 4/3
  • Lens selection
  • Less expensive
  • $1299
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Panasonic G100

Samsung NX30
Panasonic G100
  • $899
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $597
  • 4/3
  • Lens selection
  • Shoot 4K video
Olympus E-M5 III
Panasonic G100
  • $950
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $597
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Olympus E-M10 IV

Samsung NX30
Olympus E-M10 IV
  • $899
  • APS-C
  • Tilt-swivel screen
  • Larger sensor
  • $666
  • 4/3
  • Lens selection
  • In-Camera Image Stabilization
Olympus E-M5 III
Olympus E-M10 IV
  • $950
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $666
  • 4/3
  • Less expensive
  • Longer video battery life
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