• 35mm 864.0mm2
  • 20.2 megapixels
  • ISO 100 - 51,200
  • 4/3 226.2mm2
  • 20.4 megapixels
  • ISO 200 - 25,600

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Differences

Canon 1DX Mark II advantages over Olympus E-M1 Mark III

  • Larger sensor
    35mm vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 6.58 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • More dots on screen
    1620k vs 1037k dots
    Can mean greater resolution or a brighter screen
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    409600 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Olympus E-M1 Mark III advantages over Canon 1DX Mark II

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Less expensive
    $2499 vs $2999*
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Newer
    5 years vs 9 years old
    Newer cameras often support more advanced features
  • Lighter weight
    580g vs 1544g
    Lighter weight
  • 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 1/8000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • 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

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 Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash

User reviews

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Buy the Canon 1DX Mark II
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Buy the Olympus E-M1 Mark III
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  • Body Only
  • Kit with 12-100mm f/4 Lens
  • Kit with 12-40mm Lens
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Review Excerpt

  • Excellent image quality, especially from RAWs; Fantastic high ISO performance; Fast autofocus with great tracking performance; 14fps burst rate; Amazing buffer capacity; 4K 60p video; Robust build quality.

  • Very heavy, bulky and expensive; Dual memory card slots use different formats; 29:59 continuous video recording limit; Touchscreen feels underutilized.

  • Read our Canon 1DX Mark II Review

The Competition

Compared to Canon EOS-1D C

Canon 1DX Mark II
Canon EOS-1D C
  • $2999
  • 35mm
  • Touchscreen
  • Built-in GPS
  • $6989
  • 35mm

Compare Canon 1DX Mark II vs Canon EOS-1D C

Olympus E-M1 Mark III
Canon EOS-1D C
  • $1649
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
  • $6989
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M1 Mark III vs Canon EOS-1D C

Compared to Nikon D4S

Canon 1DX Mark II
Nikon D4S
  • $2999
  • 35mm
  • Less expensive
  • Shoot 4K video
  • $5399
  • 35mm
  • Fast startup
  • Longer stills battery life

Compare Canon 1DX Mark II vs Nikon D4S

Olympus E-M1 Mark III
Nikon D4S
  • $1649
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $5399
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M1 Mark III vs Nikon D4S

Compared to Nikon D5

Canon 1DX Mark II
Nikon D5
  • $2999
  • 35mm
  • Higher effective ISO
  • Built-in GPS
  • $4893
  • 35mm
  • Fast startup
  • Longer stills battery life

Compare Canon 1DX Mark II vs Nikon D5

Olympus E-M1 Mark III
Nikon D5
  • $1649
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $4893
  • 35mm
  • Larger sensor
  • Bigger pixels

Compare Olympus E-M1 Mark III vs Nikon D5

Compared to Panasonic G95

Canon 1DX Mark II
Panasonic G95
  • $2999
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $848
  • 4/3
  • Less expensive
  • Tilt-swivel screen

Compare Canon 1DX Mark II vs Panasonic G95

Olympus E-M1 Mark III
Panasonic G95
  • $1649
  • 4/3
  • High resolution composite
  • On-sensor phase detect
  • $848
  • 4/3
  • Less expensive
  • In-camera panoramas

Compare Olympus E-M1 Mark III vs Panasonic G95

Compared to OM System OM-1

Canon 1DX Mark II
OM System OM-1
  • $2999
  • 35mm
  • Larger sensor
  • Bigger pixels
  • $2200
  • 4/3
  • Focus peaking
  • Tilt-swivel screen

Compare Canon 1DX Mark II vs OM System OM-1

Olympus E-M1 Mark III
OM System OM-1
  • $1649
  • 4/3
  • $2200
  • 4/3
  • Newer
  • Higher-res screen

Compare Olympus E-M1 Mark III vs OM System OM-1

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