• APS-C 332.3mm2
  • 24.2 megapixels
  • ISO 100 - 12,800
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Canon EOS M3 advantages over Panasonic GH5

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Less expensive
    $549 vs $1698
    Save money for lenses or accessories
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Higher effective ISO
    1,169 vs 807 iso
    Take photos in low light with less noise
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    44 mm vs 87 mm
    Thinner
  • Lighter weight
    366g vs 725g
    Lighter weight
  • More pixels
    24.2 vs 20.3 megapixels
    Higher resolution photos
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Bigger JPEG buffer
    Unlimited vs 600 shots
    Take more JPEG shots before waiting (burst mode)

Panasonic GH5 advantages over Canon EOS M3

  • 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
  • Fast startup
    ~1.00 vs 2.4 sec
    Faster startup lets you catch the moment
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • More dynamic range
    13.0 vs 11.8 evs
    Retain detail in highlight and shadows
  • Longer stills battery life
    More info 410 vs 250 shots
    Capture more photos
  • Newer
    18 months vs 3 years old
    Newer cameras often support more advanced features
  • More dots on screen
    1620k vs 1040k dots
    Can mean greater resolution or a brighter screen
  • 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 JPEG shooting
    11.9 fps vs 4.2 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    11.9 fps vs 4.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    65 vs 4 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 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
  • 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 GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera

User reviews

Buy From

Your purchases support this site

Buy the Canon EOS M3

Your purchases support this site

Buy the Panasonic GH5

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.

  • 20MP sensor; Better per-pixel sharpness; Very good, slightly improved dynamic range and high ISOs; Stellar 4K video up to 60p with no crop; 6K Photo; Dual UHS-II SD slots; Good battery life for its class.

  • Buffer is deep, but slow to clear; Expensive; Menus still confusing; No optical low-pass filter means greater risk of moire; No built-in flash.

The Competition

Compared to Sony A6000

Canon EOS M3
Sony A6000
  • $549
  • APS-C
  • Touchscreen
  • More telephoto lens reach
  • $448
  • APS-C
  • Lens selection
  • Larger sensor
Panasonic GH5
Sony A6000
  • $1698
  • 4/3
  • Tilt-swivel screen
  • Lens selection
  • $448
  • APS-C
  • Larger sensor
  • Less expensive

Compared to Samsung NX3000

Canon EOS M3
Samsung NX3000
  • $549
  • APS-C
  • Focus peaking
  • Touchscreen
  • $442
  • APS-C
  • Larger sensor
  • Less expensive
Panasonic GH5
Samsung NX3000
  • $1698
  • 4/3
  • Lens selection
  • Focus peaking
  • $442
  • APS-C
  • Less expensive
  • Larger sensor

Compared to Sony A5100

Canon EOS M3
Sony A5100
  • $549
  • APS-C
  • More telephoto lens reach
  • External Mic Jack
  • $398
  • APS-C
  • Lens selection
  • Larger sensor
Panasonic GH5
Sony A5100
  • $1698
  • 4/3
  • Tilt-swivel screen
  • Lens selection
  • $398
  • APS-C
  • Larger sensor
  • Less expensive

Compared to Olympus E-M1 II

Canon EOS M3
Olympus E-M1 II
  • $549
  • APS-C
  • Less expensive
  • Larger sensor
  • $1699
  • 4/3
  • Tilt-swivel screen
  • Lens selection
Panasonic GH5
Olympus E-M1 II
  • $1698
  • 4/3
  • Built-in Bluetooth
  • Bigger JPEG buffer
  • $1699
  • 4/3
  • High resolution composite
  • Higher effective ISO

Compared to Panasonic G9

Canon EOS M3
Panasonic G9
  • $549
  • APS-C
  • Less expensive
  • Larger sensor
  • $1298
  • 4/3
  • Lens selection
  • Tilt-swivel screen
Panasonic GH5
Panasonic G9
  • $1698
  • 4/3
  • Less expensive
  • Bigger JPEG buffer
  • $1298
  • 4/3
  • High resolution composite
  • Top deck display
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