• APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 12,800
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 6400

Buy From

Differences

Nikon D5300 advantages over Olympus E-M5 III

  • Less expensive
    $697 vs $1099
    Save money for lenses or accessories
  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.92 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 600 vs 310 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • More pixels
    24.2 vs 20.4 megapixels
    Higher resolution photos
  • Bigger JPEG buffer
    100 vs 26 shots
    Take more JPEG shots before waiting (burst mode)

Olympus E-M5 III advantages over Nikon D5300

  • 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
  • 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
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Thinner
    49 mm vs 76 mm
    Thinner
  • Newer
    5 years vs 11 years old
    Newer cameras often support more advanced features
  • More viewfinder magnification
    0.68x vs 0.55x
    Get a bigger view of the scene through the eye-level viewfinder
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    30.0 fps vs 5.0 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    30.0 fps vs 4.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    23 vs 4 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/32000 vs 1/4000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • 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

Common Weaknesses

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • 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

Buy From

Your purchases support this site

Buy the Nikon D5300
Body Only
  • Body Only
  • Kit with 18-140mm Lens
  • Kit with 18-55mm Lens
All D5300 Deals

Your purchases support this site

Buy the Olympus E-M5 III
Body Only (Black)
  • Body Only (Black)
  • Body Only (Silver)
  • Kit with 14-150mm Lens (Black)
  • Kit with 14-150mm Lens (Silver)
All E-M5 III Deals

Review Excerpt

  • Excellent image quality similar to more expensive DSLRs (like the D7100); Great dynamic range; Responsive all-around performer; Excellent Full HD video-shooting quality; Built-in Wi-Fi with remote control and sharing features; Built-in GPS; Compact and lightweight size; 18-140mm kit lens performs well for its type and has a very versatile focus length range.

  • AA-filterless sensor makes it more prone to moire; Burst speed slows with highest quality 14-bit RAW images; Live View mode not as good as some competitors; No external headphone jack; GPS receiver not very sensitive.

  • Read our Nikon D5300 Review

  • 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.

  • Read our Olympus E-M5 III Review

The Competition

Compared to Nikon D7100

Nikon D5300
Nikon D7100
  • $549
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $690
  • APS-C
  • Fast startup
  • Longer stills battery life

Compare Nikon D5300 vs Nikon D7100

Olympus E-M5 III
Nikon D7100
  • $924
  • 4/3
  • Tilt-swivel screen
  • Focus peaking
  • $690
  • APS-C
  • Less expensive
  • Larger sensor

Compare Olympus E-M5 III vs Nikon D7100

Compared to Pentax K-3

Nikon D5300
Pentax K-3
  • $549
  • APS-C
  • Tilt-swivel screen
  • Fast startup
  • $699
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization

Compare Nikon D5300 vs Pentax K-3

Olympus E-M5 III
Pentax K-3
  • $924
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
  • $699
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M5 III vs Pentax K-3

Compared to Canon T6s

Nikon D5300
Canon T6s
  • $549
  • APS-C
  • Larger sensor
  • Fast startup
  • $619
  • APS-C
  • Touchscreen
  • NFC

Compare Nikon D5300 vs Canon T6s

Olympus E-M5 III
Canon T6s
  • $924
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization
  • $619
  • APS-C
  • Less expensive
  • Larger sensor

Compare Olympus E-M5 III vs Canon T6s

Compared to Panasonic G100

Nikon D5300
Panasonic G100
  • $549
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $599
  • 4/3
  • Less expensive
  • Focus peaking

Compare Nikon D5300 vs Panasonic G100

Olympus E-M5 III
Panasonic G100
  • $924
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $599
  • 4/3
  • Less expensive
  • In-camera panoramas

Compare Olympus E-M5 III vs Panasonic G100

Compared to Olympus E-M10 IV

Nikon D5300
Olympus E-M10 IV
  • $549
  • APS-C
  • Tilt-swivel screen
  • Larger sensor
  • $649
  • 4/3
  • Focus peaking
  • In-Camera Image Stabilization

Compare Nikon D5300 vs Olympus E-M10 IV

Olympus E-M5 III
Olympus E-M10 IV
  • $924
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $649
  • 4/3
  • Less expensive
  • Longer video battery life

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

Compare Other Cameras?