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Canon EOS 5D Mark III vs Canon EOS R1

Direct specification breakdown comparing Canon's 22.3MP Canon EF-mount body against Canon's 24.2MP Canon RF-mount body.

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Canon EOS 5D Mark III Advantages2 Spec Wins
  • ✓Longer CIPA Battery Endurance (950shots vs 700shots)
  • ✓Lighter Body (950g vs 1115g)
Canon EOS R1 Advantages6 Spec Wins
  • ✓Higher Sensor Resolution (24.2MP vs 22.3MP)
  • ✓More Phase-Detect AF Points (1053pts vs 61pts)
  • ✓Faster Continuous Burst (40fps vs 6fps)
  • ✓Faster Mechanical Shutter (14fps vs 6fps)
  • ✓Faster Electronic Shutter (40fps vs 6fps)
  • ✓Superior In-Body Stabilization (8.5stops vs 0stops)
01

Sensor & Image Quality

Effective megapixel count, sensor readout architecture, and lens mount

Effective Sensor Resolution
Canon EOS 5D Mark III22.3 MP
Canon EOS R124.2 MP
✓ +1.9 MP
Sensor Architecture & Type
Canon EOS 5D Mark IIIFull Frame CMOS
Canon EOS R1Full Frame Back-Illuminated Stacked CMOS
Physical Sensor Dimensions
Canon EOS 5D Mark III36.0 × 24.0 mm
Canon EOS R136.0 × 24.0 mm
Aspect Ratios
Canon EOS 5D Mark III3:2 (Native), 4:3, 16:9, 1:1
Canon EOS R13:2 (Native), 4:3, 16:9, 1:1
Native Lens Mount
Canon EOS 5D Mark IIICanon EF
Canon EOS R1Canon RF
Image Processor
Canon EOS 5D Mark IIIDIGIC 5+
Canon EOS R1DIGIC X + DIGIC Accelerator
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
Canon EOS R1Cross-Type Dual Pixel Intelligent AF
Phase-Detect AF Points / Zones
Canon EOS 5D Mark III61 points
Canon EOS R11,053 points
✓ +992 pts
AI Subject Detection
Canon EOS 5D Mark IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Canon EOS R1Deep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Max Continuous Burst Speed
Canon EOS 5D Mark III6 fps
Canon EOS R140 fps
✓ +34 fps
Mechanical Shutter Burst
Canon EOS 5D Mark III6 fps
Canon EOS R114 fps
✓ +8 fps
Electronic Shutter Burst
Canon EOS 5D Mark III6 fps
Canon EOS R140 fps
✓ +34 fps
Maximum Shutter Speed
Canon EOS 5D Mark III1/8000s (Mechanical) / 1/32000s (Electronic)
Canon EOS R11/8000s (Mechanical) / 1/32000s (Electronic)
In-Body Image Stabilization (IBIS)
Canon EOS 5D Mark IIINo Internal IBIS
Canon EOS R18.5 Stops (5-Axis)
✓ +8.5 stops
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
Canon EOS R16K60 RAW
Supported Frame Rates
Canon EOS 5D Mark III1080p30 ALL-I at maximum sustained frame rate
Canon EOS R16K60 RAW at maximum sustained frame rate
Color Bit Depth & Sampling
Canon EOS 5D Mark III8-bit 4:2:0 H.264
Canon EOS R112-bit RAW / 10-bit 4:2:2 C-Log2/3
Log Gamma & Cinema Profiles
Canon EOS 5D Mark IIIFull Cinema Log Profile Suite
Canon EOS R1Full Cinema Log Profile Suite
Audio & HDMI I/O
Canon EOS 5D Mark III3.5mm Stereo Microphone, 3.5mm Headphone Monitor, Clean HDMI Output
Canon EOS R13.5mm 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
Canon EOS R1Dual CFexpress Type B
Electronic Viewfinder (EVF)
Canon EOS 5D Mark IIIOptical Viewfinder (100% coverage)
Canon EOS R19.44M-dot OLED EVF (120fps)
Battery Life (CIPA Rated)
Canon EOS 5D Mark III950 shots
✓ +250 shots
Canon EOS R1700 shots
Body Weight (with Battery & Card)
Canon EOS 5D Mark III950 g
✓ 165g Lighter
Canon EOS R11115 g
Dimensions (W × H × D)
Canon EOS 5D Mark III152.0 × 116.4 × 76.4 mm
Canon EOS R1157.6 × 149.5 × 87.3 mm
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