• 35mm 864.0mm2
  • 18.1 megapixels
  • ISO 100 - 51,200
  • Medium format 1,350.0mm2
  • 64.0 megapixels
  • ISO 100 - 50,000

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Differences

Canon 1DX advantages over Leica S3

  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Bigger pixels
    ~ 6.94 vs 4.59 microns
    Better low-light and dynamic range (all else equal)
  • More cross-type AF points
    41 vs 1
    Cross-type AF points improve autofocus performance
  • Higher max flash sync
    1/250 vs 1/125 sec
    Reduce the effect of ambient light in flash shots
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • More AF points
    61 vs 1
    More AF points improve autofocus
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Faster JPEG shooting
    12.0 fps vs 3.0 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    12.0 fps vs 3.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    31 vs 6 shots
    Larger buffer for RAW shots (burst mode)
  • Faster shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    204800 vs 50000 ISO
    Higher extended ISO can give more low-light flexibility

Leica S3 advantages over Canon 1DX

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    Medium format vs 35mm
    More sensor area. Bigger is (generally) better.
  • Shoot 4K video
    4K (DCI) vs 1080p
    Make sure you have a fast computer
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Newer
    4 years vs 12 years old
    Newer cameras often support more advanced features
  • More viewfinder magnification
    1.09x vs 0.76x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    64.0 vs 18.1 megapixels
    Higher resolution photos
  • 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
    125 vs 30 sec
    Long exposures for night shots
  • Bigger JPEG buffer
    Unlimited vs 56 shots
    Take more JPEG shots before waiting (burst mode)

Similarities

Common Strengths

  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • Top deck display
    Both provide
    Check settings with a screen on top of the camera
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • Pentaprism viewfinder
    Both provide
    Much better viewfinder picture fidelity
  • 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
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

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Review Excerpt

The Competition

Compared to Nikon D4

Canon 1DX
Nikon D4
  • $5299
  • 35mm
  • More cross-type AF points
  • Less shutter lag
  • $4500
  • 35mm
  • Less expensive
  • Fast startup

Compare Canon 1DX vs Nikon D4

Leica S3
Nikon D4
  • $19
  • Medium format
  • Focus peaking
  • Larger sensor
  • $4500
  • 35mm
  • Lens selection
  • Bigger pixels

Compare Leica S3 vs Nikon D4

Compared to Canon EOS-1D C

Canon 1DX
Canon EOS-1D C
  • $5299
  • 35mm
  • $6989
  • 35mm
  • Shoot 4K video
  • Headphone jack

Compare Canon 1DX vs Canon EOS-1D C

Leica S3
Canon EOS-1D C
  • $19
  • Medium format
  • Less expensive
  • Focus peaking
  • $6989
  • 35mm
  • Lens selection
  • Bigger pixels

Compare Leica S3 vs Canon EOS-1D C

Compared to Nikon D4S

Canon 1DX
Nikon D4S
  • $5299
  • 35mm
  • More cross-type AF points
  • Less shutter lag
  • $5999
  • 35mm
  • Fast startup
  • Higher effective ISO

Compare Canon 1DX vs Nikon D4S

Leica S3
Nikon D4S
  • $19
  • Medium format
  • Focus peaking
  • Larger sensor
  • $5999
  • 35mm
  • Lens selection
  • Bigger pixels

Compare Leica S3 vs Nikon D4S

Compared to Canon 5DS

Canon 1DX
Canon 5DS
  • $5299
  • 35mm
  • Bigger pixels
  • Higher effective ISO
  • $1299
  • 35mm
  • Less expensive
  • Lighter weight

Compare Canon 1DX vs Canon 5DS

Leica S3
Canon 5DS
  • $19
  • Medium format
  • Focus peaking
  • Larger sensor
  • $1299
  • 35mm
  • Lens selection
  • More cross-type AF points

Compare Leica S3 vs Canon 5DS

Compared to Pentax K-1

Canon 1DX
Pentax K-1
  • $5299
  • 35mm
  • Bigger pixels
  • Fast startup
  • $1800
  • 35mm
  • Focus peaking
  • In-Camera Image Stabilization

Compare Canon 1DX vs Pentax K-1

Leica S3
Pentax K-1
  • $19
  • Medium format
  • Less expensive
  • Larger sensor
  • $1800
  • 35mm
  • Lens selection
  • In-Camera Image Stabilization

Compare Leica S3 vs Pentax K-1

Compare Other Cameras?