• 35mm 864.0mm2
  • 22.3 megapixels
  • ISO 100 - 25600
  • 35mm 861.6mm2
  • 36.3 megapixels
  • ISO 100 - 6400

Advantages

Canon 5D Mark III over Nikon D800

  • More cross-type AF points
    41 vs 15
    Cross-type AF points improve autofocus performance
  • Less shutter lag
    0.120 vs 0.209 sec
    Focus and take a photo quickly (wide angle)
  • Bigger RAW buffer
    Unlimited vs 23 shots
    Larger buffer for RAW shots (single-shot mode)
  • Higher extended ISO
    102400 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Nikon D800 over Canon 5D Mark III

  • Fast startup
    0.30 vs 0.50 sec
    Faster startup lets you catch the moment
  • More pixels
    36.3 vs 22.3 megapixels
    Higher resolution photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash

Review Excerpt

  • Superb still and video image quality; Powerful, fast, and accurate AF system with loads of cross-type points, loads of configurability and great frame coverage; Rugged, weather-sealed body with great control layout and user-interface configurability.

  • Dynamic range is limited by noise in deep shadows; Somewhat heavy-handed noise suppression and sharpening at default settings. (Shooting RAW avoids both.); No AF illuminator.

  • Rugged build; Excellent controls; Extremely high resolution; Dual cards; Surprising high ISO performance.

  • Very large files; Slower frame rate; Custom white balance gives a greenish tint; Battery life lower than D700.

The Competition

Compared to Canon 6D

Canon 5D Mark III
Canon 6D
  • $3217
  • 35mm
  • More cross-type AF points
  • Headphone jack
  • $2374
  • 35mm
  • Wi-Fi
  • GPS
Nikon D800
Canon 6D
  • $2708
  • 35mm
  • Fast startup
  • More cross-type AF points
  • $2374
  • 35mm
  • Wi-Fi
  • GPS

Compared to Sony A99

Canon 5D Mark III
Sony A99
  • $3217
  • 35mm
  • Lens selection
  • Fast startup
  • $2056
  • 35mm
  • Focus peaking
  • Tiltable Screen
Nikon D800
Sony A99
  • $2708
  • 35mm
  • Lens selection
  • Fast startup
  • $2056
  • 35mm
  • Focus peaking
  • Tiltable Screen

Compared to Nikon D610

Canon 5D Mark III
Nikon D610
  • $3217
  • 35mm
  • More cross-type AF points
  • More AF points
  • $2260
  • 35mm
  • Fast startup
  • Newer
Nikon D800
Nikon D610
  • $2708
  • 35mm
  • More cross-type AF points
  • More pixels
  • $2260
  • 35mm
  • Newer
  • Bigger RAW buffer

Compared to Nikon Df

Canon 5D Mark III
Nikon Df
  • $3217
  • 35mm
  • 60p
  • More cross-type AF points
  • $2946
  • 35mm
  • Newer
  • Higher extended ISO
Nikon D800
Nikon Df
  • $2708
  • 35mm
  • Fast startup
  • 60p
  • $2946
  • 35mm
  • Newer
  • Bigger RAW buffer

Compared to Nikon D750

Canon 5D Mark III
Nikon D750
  • $3217
  • 35mm
  • More cross-type AF points
  • Lighter weight
  • $3600
  • 35mm
  • Tiltable Screen
  • Wi-Fi
Nikon D800
Nikon D750
  • $2708
  • 35mm
  • More pixels
  • Lighter weight
  • $3600
  • 35mm
  • Tiltable Screen
  • Wi-Fi
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