• APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 12,800
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

Buy From

Differences

Canon EOS M3 advantages over Olympus E-M1 Mark III

  • Less expensive
    $700 vs $2499
    Save money for lenses or accessories
  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    44 mm vs 68 mm
    Thinner
  • Lighter weight
    366g vs 580g
    Lighter weight
  • More pixels
    24.2 vs 20.4 megapixels
    Higher resolution photos
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos

Olympus E-M1 Mark III advantages over Canon EOS M3

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • 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
  • 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
  • Newer
    5 years vs 9 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
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • 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

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • 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

Common Weaknesses

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • 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 Canon EOS M3
Body Only (Black)
  • Body Only (Black)
  • Kit with 18-55mm and 55-200mm lens (Black)
  • Kit with 18-55mm lens (Black)
  • Kit with 18-55mm lens (White)
All EOS M3 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

  • DSLR image quality & resolution in a mirrorless body; Higher-res 24MP APS-C sensor; Much improved AF performance; Better ergonomics with full PASM dial; Built-in Wi-Fi & NFC; Tilting LCD.

  • No built-in EVF; Limited native lens selection; Slow burst mode; Shallow buffer depth with RAW files; No 60p video frame rate or 4K video option.

  • Read our Canon EOS M3 Review

The Competition

Compared to Sony A6000

Canon EOS M3
Sony A6000
  • $700
  • APS-C
  • Touchscreen
  • More telephoto lens reach
  • $674
  • APS-C
  • Lens selection
  • Larger sensor

Compare Canon EOS M3 vs Sony A6000

Olympus E-M1 Mark III
Sony A6000
  • $1699
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $674
  • APS-C
  • Less expensive
  • Larger sensor

Compare Olympus E-M1 Mark III vs Sony A6000

Compared to Samsung NX3000

Canon EOS M3
Samsung NX3000
  • $700
  • APS-C
  • Focus peaking
  • Touchscreen
  • $950
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Canon EOS M3 vs Samsung NX3000

Olympus E-M1 Mark III
Samsung NX3000
  • $1699
  • 4/3
  • Tilt-swivel screen
  • Lens selection
  • $950
  • APS-C
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M1 Mark III vs Samsung NX3000

Compared to Fujifilm X-E3

Canon EOS M3
Fujifilm X-E3
  • $700
  • APS-C
  • Tiltable Screen
  • NFC
  • $699
  • APS-C
  • Lens selection
  • Larger sensor

Compare Canon EOS M3 vs Fujifilm X-E3

Olympus E-M1 Mark III
Fujifilm X-E3
  • $1699
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $699
  • APS-C
  • Less expensive
  • Larger sensor

Compare Olympus E-M1 Mark III vs Fujifilm X-E3

Compared to Panasonic G95

Canon EOS M3
Panasonic G95
  • $700
  • APS-C
  • Larger sensor
  • NFC
  • $848
  • 4/3
  • Tilt-swivel screen
  • Lens selection

Compare Canon EOS M3 vs Panasonic G95

Olympus E-M1 Mark III
Panasonic G95
  • $1699
  • 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

Canon EOS M3
OM System OM-1
  • $700
  • APS-C
  • Larger sensor
  • NFC
  • $2200
  • 4/3
  • Tilt-swivel screen
  • Lens selection

Compare Canon EOS M3 vs OM System OM-1

Olympus E-M1 Mark III
OM System OM-1
  • $1699
  • 4/3
  • $2200
  • 4/3
  • Newer
  • Higher-res screen

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

Compare Other Cameras?