DUAL CAMERA COMPARISON ENGINE:Side-by-side optical sensor, autofocus, IBIS, and codec matrix with automated win detection
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Canon EOS 5D Mark III vs Canon EOS 80D

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

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Canon EOS 5D Mark III Advantages1 Spec Wins
  • ✓More Phase-Detect AF Points (61pts vs 45pts)
Canon EOS 80D Advantages6 Spec Wins
  • ✓Higher Sensor Resolution (24.2MP vs 22.3MP)
  • ✓Faster Continuous Burst (7fps vs 6fps)
  • ✓Faster Mechanical Shutter (7fps vs 6fps)
  • ✓Faster Electronic Shutter (7fps vs 6fps)
  • ✓Longer CIPA Battery Endurance (960shots vs 950shots)
  • ✓Lighter Body (730g vs 950g)
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 80D24.2 MP
✓ +1.9 MP
Sensor Architecture & Type
Canon EOS 5D Mark IIIFull Frame CMOS
Canon EOS 80DAPS-C Dual Pixel CMOS
Physical Sensor Dimensions
Canon EOS 5D Mark III36.0 × 24.0 mm
Canon EOS 80D22.3 × 14.9 mm
Aspect Ratios
Canon EOS 5D Mark III3:2 (Native), 4:3, 16:9, 1:1
Canon EOS 80D3:2 (Native), 4:3, 16:9, 1:1
Native Lens Mount
Canon EOS 5D Mark IIICanon EF
Canon EOS 80DCanon EF/EF-S
Image Processor
Canon EOS 5D Mark IIIDIGIC 5+
Canon EOS 80DDIGIC 6
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 80D45-Point All Cross-Type AF
Phase-Detect AF Points / Zones
Canon EOS 5D Mark III61 points
✓ +16 pts
Canon EOS 80D45 points
AI Subject Detection
Canon EOS 5D Mark IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Canon EOS 80DDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Max Continuous Burst Speed
Canon EOS 5D Mark III6 fps
Canon EOS 80D7 fps
✓ +1 fps
Mechanical Shutter Burst
Canon EOS 5D Mark III6 fps
Canon EOS 80D7 fps
✓ +1 fps
Electronic Shutter Burst
Canon EOS 5D Mark III6 fps
Canon EOS 80D7 fps
✓ +1 fps
Maximum Shutter Speed
Canon EOS 5D Mark III1/8000s (Mechanical) / 1/32000s (Electronic)
Canon EOS 80D1/8000s (Mechanical) / 1/32000s (Electronic)
In-Body Image Stabilization (IBIS)
Canon EOS 5D Mark IIINo Internal IBIS
Canon EOS 80DNo 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
Canon EOS 80D1080p60 FHD
Supported Frame Rates
Canon EOS 5D Mark III1080p30 ALL-I at maximum sustained frame rate
Canon EOS 80D1080p60 FHD at maximum sustained frame rate
Color Bit Depth & Sampling
Canon EOS 5D Mark III8-bit 4:2:0 H.264
Canon EOS 80D8-bit 4:2:0 MP4
Log Gamma & Cinema Profiles
Canon EOS 5D Mark IIIFull Cinema Log Profile Suite
Canon EOS 80DFull 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 80D3.5mm 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 80DSingle SD UHS-I Slot
Electronic Viewfinder (EVF)
Canon EOS 5D Mark IIIOptical Viewfinder (100% coverage)
Canon EOS 80DOptical Viewfinder (100% coverage)
Battery Life (CIPA Rated)
Canon EOS 5D Mark III950 shots
Canon EOS 80D960 shots
✓ +10 shots
Body Weight (with Battery & Card)
Canon EOS 5D Mark III950 g
Canon EOS 80D730 g
✓ 220g Lighter
Dimensions (W × H × D)
Canon EOS 5D Mark III152.0 × 116.4 × 76.4 mm
Canon EOS 80D139.0 × 105.2 × 78.5 mm
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