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

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Differences

Canon EOS M100 advantages over Olympus E-M1 Mark III

  • Less expensive
    $449 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
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    35 mm vs 68 mm
    Thinner
  • 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 M100

  • 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
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    5 years vs 7 years old
    Newer cameras often support more advanced features
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • 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
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • 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 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

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Buy the Canon EOS M100

Your purchases support this site

Buy the Olympus E-M1 Mark III

Review Excerpt

The Competition

Compared to Canon EOS M6

Canon EOS M100
Canon EOS M6
  • $449
  • APS-C
  • Less expensive
  • Bigger JPEG buffer
  • $399
  • APS-C
  • External Mic Jack
  • Hot shoe
Olympus E-M1 Mark III
Canon EOS M6
  • $1699
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $399
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Fujifilm X-A5

Canon EOS M100
Fujifilm X-A5
  • $449
  • APS-C
  • Fast startup
  • NFC
  • $499
  • APS-C
  • Lens selection
  • Larger sensor
Olympus E-M1 Mark III
Fujifilm X-A5
  • $1699
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $499
  • APS-C
  • Larger sensor
  • Less expensive

Compared to Panasonic G95

Canon EOS M100
Panasonic G95
  • $449
  • APS-C
  • Less expensive
  • Larger sensor
  • $848
  • 4/3
  • Tilt-swivel screen
  • Lens selection
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

Compared to Canon EOS M200

Canon EOS M100
Canon EOS M200
  • $449
  • APS-C
  • NFC
  • $499
  • APS-C
  • Shoot 4K video
  • Slow-motion videos
Olympus E-M1 Mark III
Canon EOS M200
  • $1699
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $499
  • APS-C
  • Less expensive
  • Larger sensor

Compared to OM System OM-1

Canon EOS M100
OM System OM-1
  • $449
  • APS-C
  • Larger sensor
  • NFC
  • $2200
  • 4/3
  • Tilt-swivel screen
  • Lens selection
Olympus E-M1 Mark III
OM System OM-1
  • $1699
  • 4/3
  • $2200
  • 4/3
  • Newer
  • Higher-res screen
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