• 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-M5 III

  • Less expensive
    $449 vs $1099
    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
  • Longer video battery life
    80 vs 60 minutes
    Capture more video
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    35 mm vs 49 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
  • Bigger JPEG buffer
    91 vs 26 shots
    Take more JPEG shots before waiting (burst mode)

Olympus E-M5 III advantages over Canon EOS M100

  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • 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
    2 years vs 5 years old
    Newer cameras often support more advanced features
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster JPEG shooting
    30.0 fps vs 6.1 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    30.0 fps vs 6.1 fps
    Faster RAW shooting in 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

  • 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
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • 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
  • 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 Canon EOS M100

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 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-M5 III
Canon EOS M6
  • $900
  • 4/3
  • Tilt-swivel screen
  • Lens selection
  • $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-M5 III
Fujifilm X-A5
  • $900
  • 4/3
  • Tilt-swivel screen
  • Slower slow-motion
  • $499
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Canon EOS M200

Canon EOS M100
Canon EOS M200
  • $449
  • APS-C
  • Less expensive
  • NFC
  • $549
  • APS-C
  • Shoot 4K video
  • Newer
Olympus E-M5 III
Canon EOS M200
  • $900
  • 4/3
  • Lens selection
  • Tilt-swivel screen
  • $549
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Panasonic G100

Canon EOS M100
Panasonic G100
  • $449
  • APS-C
  • Less expensive
  • Larger sensor
  • $598
  • 4/3
  • Tilt-swivel screen
  • Lens selection
Olympus E-M5 III
Panasonic G100
  • $900
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $598
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Olympus E-M10 IV

Canon EOS M100
Olympus E-M10 IV
  • $449
  • APS-C
  • Less expensive
  • Larger sensor
  • $600
  • 4/3
  • Lens selection
  • Eye-level viewfinder
Olympus E-M5 III
Olympus E-M10 IV
  • $900
  • 4/3
  • Tilt-swivel screen
  • High resolution composite
  • $600
  • 4/3
  • Less expensive
  • Longer video battery life
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