• 1 inch 116.2mm2
  • 18.4 megapixels
  • ISO 160 - 12,800
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

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Differences

Nikon J4 advantages over Olympus E-M5 III

  • Less expensive
    $350* vs $1099
    Save money for lenses or accessories
  • Slower slow-motion
    1200 fps vs 120 fps
    Supports slower slow-mo
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    28 mm vs 49 mm
    Thinner
  • Faster JPEG shooting
    60.0 fps vs 30.0 fps
    Faster JPEG shooting (burst mode)

Olympus E-M5 III advantages over Nikon J4

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • Larger sensor
    4/3 vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 3.36 vs 2.52 microns
    Better low-light and dynamic range (all else equal)
  • 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
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Higher max flash sync
    1/250 vs 1/60 sec
    Reduce the effect of ambient light in flash shots
  • Newer
    2 years vs 8 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/32000 vs 1/16000 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

  • 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
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • 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

  • 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 Nikon J3

Nikon J4
Nikon J3
  • $350
  • 1 inch
  • Touchscreen
  • In-camera panoramas
  • $617
  • 1 inch
  • Has anti-aliasing filter
Olympus E-M5 III
Nikon J3
  • $899
  • 4/3
  • Lens selection
  • Focus peaking
  • $617
  • 1 inch
  • Slower slow-motion
  • Internal flash

Compared to Samsung NX Mini

Nikon J4
Samsung NX Mini
  • $350
  • 1 inch
  • On-sensor phase detect
  • Higher-res screen
  • $600
  • 1 inch
  • Tiltable Screen
  • NFC
Olympus E-M5 III
Samsung NX Mini
  • $899
  • 4/3
  • Focus peaking
  • Larger sensor
  • $600
  • 1 inch
  • In-camera panoramas
  • NFC

Compared to Nikon J5

Nikon J4
Nikon J5
  • $350
  • 1 inch
  • Less expensive
  • Longer stills battery life
  • $497
  • 1 inch
  • Shoot 4K video
  • Tiltable Screen
Olympus E-M5 III
Nikon J5
  • $899
  • 4/3
  • Tilt-swivel screen
  • Lens selection
  • $497
  • 1 inch
  • Less expensive
  • Slower slow-motion

Compared to Panasonic G100

Nikon J4
Panasonic G100
  • $350
  • 1 inch
  • Less expensive
  • Slower slow-motion
  • $598
  • 4/3
  • Lens selection
  • Focus peaking
Olympus E-M5 III
Panasonic G100
  • $899
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $598
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Olympus E-M10 IV

Nikon J4
Olympus E-M10 IV
  • $350
  • 1 inch
  • Less expensive
  • Slower slow-motion
  • $599
  • 4/3
  • Lens selection
  • Focus peaking
Olympus E-M5 III
Olympus E-M10 IV
  • $899
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $599
  • 4/3
  • Less expensive
  • Longer video battery life
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