• 35mm 864.0mm2
  • 24.1 megapixels
  • ISO 100 - 102,400
  • 4/3 224.9mm2
  • 25.2 megapixels
  • ISO 100 - 25,600

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Differences

Canon R3 advantages over Panasonic GH6

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 6.00 vs 3.00 microns
    Better low-light and dynamic range (all else equal)
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • More dots on screen
    4150k vs 1840k dots
    Can mean greater resolution or a brighter screen
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Higher extended ISO
    204800 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Panasonic GH6 advantages over Canon R3

  • Less expensive
    $2200 vs $5999 (MSRP)
    Save money for lenses or accessories
  • Slower slow-motion
    240 fps vs 120 fps
    Supports slower slow-mo
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • 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
    75.0 fps vs 30.0 fps
    Faster JPEG shooting (burst mode)
  • Faster shutter
    1/32000 vs 1/8000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Tilt-swivel screen
    Both provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • 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
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • 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
  • Dual card slots
    Both provide
    Gives you more storage flexibility
  • Headphone jack
    Both provide
    Monitor audio recording while you shoot video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash

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Review Excerpt

The Competition

Compared to Olympus E-M1X

Canon R3
Olympus E-M1X
  • $5999
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $2349
  • 4/3
  • High resolution composite
  • Built-in GPS
Panasonic GH6
Olympus E-M1X
  • $2200
  • 4/3
  • Slower slow-motion
  • Newer
  • $2349
  • 4/3
  • Built-in GPS
  • Longer video battery life

Compared to Panasonic G95

Canon R3
Panasonic G95
  • $5999
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $748
  • 4/3
  • In-camera panoramas
  • Internal flash
Panasonic GH6
Panasonic G95
  • $2200
  • 4/3
  • Slower slow-motion
  • High resolution composite
  • $748
  • 4/3
  • In-camera panoramas
  • Internal flash

Compared to Leica SL2-S

Canon R3
Leica SL2-S
  • $5999
  • 35mm
  • Tilt-swivel screen
  • On-sensor phase detect
  • $4895
  • 35mm
  • Less expensive
  • Slower slow-motion
Panasonic GH6
Leica SL2-S
  • $2200
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $4895
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Canon R5 C

Canon R3
Canon R5 C
  • $5999
  • 35mm
  • Bigger pixels
  • More dots on screen
  • $4499
  • 35mm
  • Less expensive
  • Lighter weight
Panasonic GH6
Canon R5 C
  • $2200
  • 4/3
  • Less expensive
  • Slower slow-motion
  • $4499
  • 35mm
  • Larger sensor
  • Bigger pixels

Compared to Canon R6 Mark II

Canon R3
Canon R6 Mark II
  • $5999
  • 35mm
  • Top deck display
  • More dots on screen
  • $2532
  • 35mm
  • Slower slow-motion
  • Newer
Panasonic GH6
Canon R6 Mark II
  • $2200
  • 4/3
  • Slower slow-motion
  • High resolution composite
  • $2532
  • 35mm
  • Larger sensor
  • Bigger pixels
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