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 Sony Alpha 9 III

Direct specification breakdown comparing Canon's 22.3MP Canon EF-mount body against Sony's 24.6MP Sony E-mount body.

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Canon EOS 5D Mark III Advantages1 Spec Wins
  • ✓Longer CIPA Battery Endurance (950shots vs 530shots)
Sony Alpha 9 III Advantages7 Spec Wins
  • ✓Higher Sensor Resolution (24.6MP vs 22.3MP)
  • ✓More Phase-Detect AF Points (759pts vs 61pts)
  • ✓Faster Continuous Burst (120fps vs 6fps)
  • ✓Faster Mechanical Shutter (14fps vs 6fps)
  • ✓Faster Electronic Shutter (120fps vs 6fps)
  • ✓Superior In-Body Stabilization (8stops vs 0stops)
  • ✓Lighter Body (702g 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
Sony Alpha 9 III24.6 MP
✓ +2.3 MP
Sensor Architecture & Type
Canon EOS 5D Mark IIIFull Frame CMOS
Sony Alpha 9 IIIFull Frame Global Shutter CMOS
Physical Sensor Dimensions
Canon EOS 5D Mark III36.0 × 24.0 mm
Sony Alpha 9 III35.6 × 23.8 mm
Aspect Ratios
Canon EOS 5D Mark III3:2 (Native), 4:3, 16:9, 1:1
Sony Alpha 9 III3:2 (Native), 4:3, 16:9, 1:1
Native Lens Mount
Canon EOS 5D Mark IIICanon EF
Sony Alpha 9 IIISony E
Image Processor
Canon EOS 5D Mark IIIDIGIC 5+
Sony Alpha 9 IIIDual BIONZ XR + AI Processing Unit
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
Sony Alpha 9 III759-Point Fast Hybrid AF with AI Tracking
Phase-Detect AF Points / Zones
Canon EOS 5D Mark III61 points
Sony Alpha 9 III759 points
✓ +698 pts
AI Subject Detection
Canon EOS 5D Mark IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Sony Alpha 9 IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Max Continuous Burst Speed
Canon EOS 5D Mark III6 fps
Sony Alpha 9 III120 fps
✓ +114 fps
Mechanical Shutter Burst
Canon EOS 5D Mark III6 fps
Sony Alpha 9 III14 fps
✓ +8 fps
Electronic Shutter Burst
Canon EOS 5D Mark III6 fps
Sony Alpha 9 III120 fps
✓ +114 fps
Maximum Shutter Speed
Canon EOS 5D Mark III1/8000s (Mechanical) / 1/32000s (Electronic)
Sony Alpha 9 III1/8000s (Mechanical) / 1/32000s (Electronic)
In-Body Image Stabilization (IBIS)
Canon EOS 5D Mark IIINo Internal IBIS
Sony Alpha 9 III8 Stops (5-Axis)
✓ +8 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
Sony Alpha 9 III4K120 6K-Oversampled
Supported Frame Rates
Canon EOS 5D Mark III1080p30 ALL-I at maximum sustained frame rate
Sony Alpha 9 III4K120 6K-Oversampled at maximum sustained frame rate
Color Bit Depth & Sampling
Canon EOS 5D Mark III8-bit 4:2:0 H.264
Sony Alpha 9 III10-bit 4:2:2 S-Log3 / S-Cinetone
Log Gamma & Cinema Profiles
Canon EOS 5D Mark IIIFull Cinema Log Profile Suite
Sony Alpha 9 IIIFull Cinema Log Profile Suite
Audio & HDMI I/O
Canon EOS 5D Mark III3.5mm Stereo Microphone, 3.5mm Headphone Monitor, Clean HDMI Output
Sony Alpha 9 III3.5mm 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
Sony Alpha 9 IIIDual CFexpress Type A / SD UHS-II
Electronic Viewfinder (EVF)
Canon EOS 5D Mark IIIOptical Viewfinder (100% coverage)
Sony Alpha 9 III9.44M-dot OLED EVF (240fps)
Battery Life (CIPA Rated)
Canon EOS 5D Mark III950 shots
✓ +420 shots
Sony Alpha 9 III530 shots
Body Weight (with Battery & Card)
Canon EOS 5D Mark III950 g
Sony Alpha 9 III702 g
✓ 248g Lighter
Dimensions (W × H × D)
Canon EOS 5D Mark III152.0 × 116.4 × 76.4 mm
Sony Alpha 9 III136.1 × 96.9 × 82.9 mm
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