• APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 12,800
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

Buy From

Differences

Nikon D3300 advantages over Olympus E-M1 Mark III

  • Less expensive
    $16 vs $2499
    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)
  • 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
  • More pixels
    24.2 vs 20.4 megapixels
    Higher resolution photos

Olympus E-M1 Mark III advantages over Nikon D3300

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • 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 Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Longer video battery life
    90 vs 55 minutes
    Capture more video
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Newer
    5 years vs 11 years old
    Newer cameras often support more advanced features
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/32000 vs 1/4000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • 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

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Your purchases support this site

Buy the Nikon D3300
Kit with 18-55mm Lens (Black)
  • Kit with 18-55mm Lens (Black)
  • Kit with 18-55mm Lens (Grey)
  • Kit with 18-55mm Lens (Red)
All D3300 Deals

Your purchases support this site

Buy the Olympus E-M1 Mark III
Body Only
  • Body Only
  • Kit with 12-100mm f/4 Lens
  • Kit with 12-40mm Lens
All E-M1 Mark III Deals

Review Excerpt

  • Excellent image quality with lots of fine detail; Very good high ISO performance; Good dynamic range; Good print quality; Deep buffers with JPEGs; 1080/60p video; Uncompressed HDMI output.

  • AF struggles in low-light; Contrast-detect AF in live view is slow; Buffer depth is shallow with RAW files; No AE bracketing; No built-in Wi-Fi.

  • Read our Nikon D3300 Review

The Competition

Compared to Sony A58

Nikon D3300
Sony A58
  • $367
  • APS-C
  • Lens selection
  • Fast startup
  • $598
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization

Compare Nikon D3300 vs Sony A58

Olympus E-M1 Mark III
Sony A58
  • $1649
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $598
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M1 Mark III vs Sony A58

Compared to Canon T5

Nikon D3300
Canon T5
  • $367
  • APS-C
  • Larger sensor
  • Less expensive
  • $399
  • APS-C
  • Has anti-aliasing filter

Compare Nikon D3300 vs Canon T5

Olympus E-M1 Mark III
Canon T5
  • $1649
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
  • $399
  • APS-C
  • Less expensive
  • Larger sensor

Compare Olympus E-M1 Mark III vs Canon T5

Compared to Pentax K-S1

Nikon D3300
Pentax K-S1
  • $367
  • APS-C
  • In-camera panoramas
  • Higher effective ISO
  • $502
  • APS-C
  • Focus peaking
  • In-Camera Image Stabilization

Compare Nikon D3300 vs Pentax K-S1

Olympus E-M1 Mark III
Pentax K-S1
  • $1649
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
  • $502
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M1 Mark III vs Pentax K-S1

Compared to Panasonic G95

Nikon D3300
Panasonic G95
  • $367
  • APS-C
  • Less expensive
  • Larger sensor
  • $848
  • 4/3
  • Tilt-swivel screen
  • Focus peaking

Compare Nikon D3300 vs Panasonic G95

Olympus E-M1 Mark III
Panasonic G95
  • $1649
  • 4/3
  • High resolution composite
  • On-sensor phase detect
  • $848
  • 4/3
  • Less expensive
  • In-camera panoramas

Compare Olympus E-M1 Mark III vs Panasonic G95

Compared to OM System OM-1

Nikon D3300
OM System OM-1
  • $367
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $2200
  • 4/3
  • Tilt-swivel screen
  • Focus peaking

Compare Nikon D3300 vs OM System OM-1

Olympus E-M1 Mark III
OM System OM-1
  • $1649
  • 4/3
  • $2200
  • 4/3
  • Newer
  • Higher-res screen

Compare Olympus E-M1 Mark III vs OM System OM-1

Compare Other Cameras?