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Canon EOS 5D Mark III vs Nikon D850

Direct specification breakdown comparing Canon's 22.3MP Canon EF-mount body against Nikon's 45.7MP Nikon F-mount body.

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Canon EOS 5D Mark III Advantages1 Spec Wins
  • ✓Lighter Body (950g vs 1005g)
Nikon D850 Advantages6 Spec Wins
  • ✓Higher Sensor Resolution (45.7MP vs 22.3MP)
  • ✓More Phase-Detect AF Points (153pts vs 61pts)
  • ✓Faster Continuous Burst (9fps vs 6fps)
  • ✓Faster Mechanical Shutter (9fps vs 6fps)
  • ✓Faster Electronic Shutter (9fps vs 6fps)
  • ✓Longer CIPA Battery Endurance (1840shots vs 950shots)
01

Sensor & Image Quality

Effective megapixel count, sensor readout architecture, and lens mount

Effective Sensor Resolution
Canon EOS 5D Mark III22.3 MP
Nikon D85045.7 MP
✓ +23.4 MP
Sensor Architecture & Type
Canon EOS 5D Mark IIIFull Frame CMOS
Nikon D850Full Frame FX BSI CMOS
Physical Sensor Dimensions
Canon EOS 5D Mark III36.0 × 24.0 mm
Nikon D85035.9 × 23.9 mm
Aspect Ratios
Canon EOS 5D Mark III3:2 (Native), 4:3, 16:9, 1:1
Nikon D8503:2 (Native), 4:3, 16:9, 1:1
Native Lens Mount
Canon EOS 5D Mark IIICanon EF
Nikon D850Nikon F
Image Processor
Canon EOS 5D Mark IIIDIGIC 5+
Nikon D850EXPEED 5
02

Autofocus & Shooting Speed

Phase-detect AF points, neural subject tracking, burst speeds, and IBIS stops

Autofocus System
Canon EOS 5D Mark III61-Point High Density Reticular AF
Nikon D850153-Point Multi-CAM 20K AF
Phase-Detect AF Points / Zones
Canon EOS 5D Mark III61 points
Nikon D850153 points
✓ +92 pts
AI Subject Detection
Canon EOS 5D Mark IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Nikon D850Deep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Max Continuous Burst Speed
Canon EOS 5D Mark III6 fps
Nikon D8509 fps
✓ +3 fps
Mechanical Shutter Burst
Canon EOS 5D Mark III6 fps
Nikon D8509 fps
✓ +3 fps
Electronic Shutter Burst
Canon EOS 5D Mark III6 fps
Nikon D8509 fps
✓ +3 fps
Maximum Shutter Speed
Canon EOS 5D Mark III1/8000s (Mechanical) / 1/32000s (Electronic)
Nikon D8501/8000s (Mechanical) / 1/32000s (Electronic)
In-Body Image Stabilization (IBIS)
Canon EOS 5D Mark IIINo Internal IBIS
Nikon D850No Internal IBIS
03

Video Capabilities

Maximum recording resolution, frame rate capabilities, internal bit depth, and I/O

Max Video Resolution
Canon EOS 5D Mark III1080p30 ALL-I
Nikon D8504K30 Uncropped
Supported Frame Rates
Canon EOS 5D Mark III1080p30 ALL-I at maximum sustained frame rate
Nikon D8504K30 Uncropped at maximum sustained frame rate
Color Bit Depth & Sampling
Canon EOS 5D Mark III8-bit 4:2:0 H.264
Nikon D8508-bit 4:2:2 Clean HDMI
Log Gamma & Cinema Profiles
Canon EOS 5D Mark IIIFull Cinema Log Profile Suite
Nikon D850Full Cinema Log Profile Suite
Audio & HDMI I/O
Canon EOS 5D Mark III3.5mm Stereo Microphone, 3.5mm Headphone Monitor, Clean HDMI Output
Nikon D8503.5mm Stereo Microphone, 3.5mm Headphone Monitor, Clean HDMI Output
04

Hardware, Ergonomics & Pricing

Memory card slots, EVF optics, CIPA battery rating, weight, dimensions, and price

Memory Card Slots
Canon EOS 5D Mark III1x CompactFlash + 1x SD UHS-I
Nikon D8501x XQD/CFexpress + 1x SD UHS-II
Electronic Viewfinder (EVF)
Canon EOS 5D Mark IIIOptical Viewfinder (100% coverage)
Nikon D850Optical Viewfinder (100% coverage)
Battery Life (CIPA Rated)
Canon EOS 5D Mark III950 shots
Nikon D8501840 shots
✓ +890 shots
Body Weight (with Battery & Card)
Canon EOS 5D Mark III950 g
✓ 55g Lighter
Nikon D8501005 g
Dimensions (W × H × D)
Canon EOS 5D Mark III152.0 × 116.4 × 76.4 mm
Nikon D850146.0 × 124.0 × 78.5 mm
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