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Canon EOS 5D Mark III vs Sony Alpha 7CR

Direct specification breakdown comparing Canon's 22.3MP Canon EF-mount body against Sony's 61MP Sony E-mount body.

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Canon EOS 5D Mark III Advantages1 Spec Wins
  • ✓Longer CIPA Battery Endurance (950shots vs 490shots)
Sony Alpha 7CR Advantages7 Spec Wins
  • ✓Higher Sensor Resolution (61MP vs 22.3MP)
  • ✓More Phase-Detect AF Points (693pts vs 61pts)
  • ✓Faster Continuous Burst (8fps vs 6fps)
  • ✓Faster Mechanical Shutter (8fps vs 6fps)
  • ✓Faster Electronic Shutter (8fps vs 6fps)
  • ✓Superior In-Body Stabilization (7stops vs 0stops)
  • ✓Lighter Body (515g 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 7CR61 MP
✓ +38.7 MP
Sensor Architecture & Type
Canon EOS 5D Mark IIIFull Frame CMOS
Sony Alpha 7CRFull Frame Exmor R BSI CMOS
Physical Sensor Dimensions
Canon EOS 5D Mark III36.0 × 24.0 mm
Sony Alpha 7CR35.7 × 23.8 mm
Aspect Ratios
Canon EOS 5D Mark III3:2 (Native), 4:3, 16:9, 1:1
Sony Alpha 7CR3:2 (Native), 4:3, 16:9, 1:1
Native Lens Mount
Canon EOS 5D Mark IIICanon EF
Sony Alpha 7CRSony E
Image Processor
Canon EOS 5D Mark IIIDIGIC 5+
Sony Alpha 7CRBIONZ 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 7CR693-Point Phase AF with Real-Time AI
Phase-Detect AF Points / Zones
Canon EOS 5D Mark III61 points
Sony Alpha 7CR693 points
✓ +632 pts
AI Subject Detection
Canon EOS 5D Mark IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Sony Alpha 7CRDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Max Continuous Burst Speed
Canon EOS 5D Mark III6 fps
Sony Alpha 7CR8 fps
✓ +2 fps
Mechanical Shutter Burst
Canon EOS 5D Mark III6 fps
Sony Alpha 7CR8 fps
✓ +2 fps
Electronic Shutter Burst
Canon EOS 5D Mark III6 fps
Sony Alpha 7CR8 fps
✓ +2 fps
Maximum Shutter Speed
Canon EOS 5D Mark III1/8000s (Mechanical) / 1/32000s (Electronic)
Sony Alpha 7CR1/8000s (Mechanical) / 1/32000s (Electronic)
In-Body Image Stabilization (IBIS)
Canon EOS 5D Mark IIINo Internal IBIS
Sony Alpha 7CR7 Stops (5-Axis)
✓ +7 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 7CR4K60 UHD
Supported Frame Rates
Canon EOS 5D Mark III1080p30 ALL-I at maximum sustained frame rate
Sony Alpha 7CR4K60 UHD at maximum sustained frame rate
Color Bit Depth & Sampling
Canon EOS 5D Mark III8-bit 4:2:0 H.264
Sony Alpha 7CR10-bit 4:2:2 S-Log3 / S-Cinetone
Log Gamma & Cinema Profiles
Canon EOS 5D Mark IIIFull Cinema Log Profile Suite
Sony Alpha 7CRFull 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 7CR3.5mm 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 7CRSingle SD UHS-II Slot
Electronic Viewfinder (EVF)
Canon EOS 5D Mark IIIOptical Viewfinder (100% coverage)
Sony Alpha 7CR2.36M-dot OLED EVF
Battery Life (CIPA Rated)
Canon EOS 5D Mark III950 shots
✓ +460 shots
Sony Alpha 7CR490 shots
Body Weight (with Battery & Card)
Canon EOS 5D Mark III950 g
Sony Alpha 7CR515 g
✓ 435g Lighter
Dimensions (W × H × D)
Canon EOS 5D Mark III152.0 × 116.4 × 76.4 mm
Sony Alpha 7CR124.0 × 71.1 × 63.4 mm
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