• 1 inch 116.2mm2
  • 20.2 megapixels
  • 24.00mm - 100.00mm (35mm eq.)
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 6400

Buy From

Differences

Canon G7X Mark III advantages over Olympus E-M5 III

  • Less expensive
    $749* vs $1099
    Save money for lenses or accessories
  • 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
  • Integrated ND filter
    Yes vs No
    Shoot in daylight with a large aperture or slow shutter
  • Higher max flash sync
    1/2000 vs 1/250 sec
    Reduce the effect of ambient light in flash shots
  • Lighter weight
    304g vs 414g
    Lighter weight
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger JPEG buffer
    125 vs 26 shots
    Take more JPEG shots before waiting (burst mode)
  • Bigger RAW buffer
    76 vs 23 shots
    Larger buffer for RAW shots (burst mode)

Olympus E-M5 III advantages over Canon G7X Mark III

  • Larger sensor
    4/3 vs 1 inch
    More sensor area. Bigger is (generally) better.
  • 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
  • Bigger pixels
    ~ 3.36 vs 2.41 microns
    Better low-light and dynamic range (all else equal)
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Longer stills battery life
    More info 310 vs 235 shots
    Capture more photos
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • 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 20.0 fps
    Faster JPEG shooting (burst mode)

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • 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 G7X Mark III

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 G7X Mark II

Canon G7X Mark III
Canon G7X Mark II
  • $749
  • 1 inch
  • Shoot 4K video
  • In-camera panoramas
  • $816
  • 1 inch
  • Less expensive
  • NFC
Olympus E-M5 III
Canon G7X Mark II
  • $924
  • 4/3
  • Larger sensor
  • Tilt-swivel screen
  • $816
  • 1 inch
  • Less expensive
  • NFC

Compared to Canon G5X Mark II

Canon G7X Mark III
Canon G5X Mark II
  • $749
  • 1 inch
  • Less expensive
  • External Mic Jack
  • $899
  • 1 inch
  • Eye-level viewfinder
  • More telephoto lens reach
Olympus E-M5 III
Canon G5X Mark II
  • $924
  • 4/3
  • Larger sensor
  • Tilt-swivel screen
  • $899
  • 1 inch
  • Less expensive
  • In-camera panoramas

Compared to Sony ZV-1

Canon G7X Mark III
Sony ZV-1
  • $749
  • 1 inch
  • More telephoto lens reach
  • Internal flash
  • $800
  • 1 inch
  • Slower slow-motion
  • NFC
Olympus E-M5 III
Sony ZV-1
  • $924
  • 4/3
  • Tilt-swivel screen
  • Larger sensor
  • $800
  • 1 inch
  • Slower slow-motion
  • In-camera panoramas

Compared to Panasonic G100

Canon G7X Mark III
Panasonic G100
  • $749
  • 1 inch
  • In-Camera Image Stabilization
  • Integrated ND filter
  • $623
  • 4/3
  • Less expensive
  • Tilt-swivel screen
Olympus E-M5 III
Panasonic G100
  • $924
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite
  • $623
  • 4/3
  • Less expensive
  • In-camera panoramas

Compared to Olympus E-M10 IV

Canon G7X Mark III
Olympus E-M10 IV
  • $749
  • 1 inch
  • In-camera panoramas
  • Integrated ND filter
  • $649
  • 4/3
  • Larger sensor
  • Eye-level viewfinder
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
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