DUAL CAMERA COMPARISON ENGINE:Side-by-side optical sensor, autofocus, IBIS, and codec matrix with automated win detection
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SIDE-BY-SIDE HARDWARE MATRIX

Canon EOS 5D Mark III vs Sony Alpha 7R II

Direct specification breakdown comparing Canon's 22.3MP Canon EF-mount body against Sony's 42.4MP Sony E-mount body.

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Canon EOS 5D Mark III Advantages4 Spec Wins
  • ✓Faster Continuous Burst (6fps vs 5fps)
  • ✓Faster Mechanical Shutter (6fps vs 5fps)
  • ✓Faster Electronic Shutter (6fps vs 5fps)
  • ✓Longer CIPA Battery Endurance (950shots vs 340shots)
Sony Alpha 7R II Advantages4 Spec Wins
  • ✓Higher Sensor Resolution (42.4MP vs 22.3MP)
  • ✓More Phase-Detect AF Points (399pts vs 61pts)
  • ✓Superior In-Body Stabilization (4.5stops vs 0stops)
  • ✓Lighter Body (625g 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 7R II42.4 MP
✓ +20.1 MP
Sensor Architecture & Type
Canon EOS 5D Mark IIIFull Frame CMOS
Sony Alpha 7R IIFull Frame Exmor R BSI CMOS
Physical Sensor Dimensions
Canon EOS 5D Mark III36.0 × 24.0 mm
Sony Alpha 7R II35.9 × 24.0 mm
Aspect Ratios
Canon EOS 5D Mark III3:2 (Native), 4:3, 16:9, 1:1
Sony Alpha 7R II3:2 (Native), 4:3, 16:9, 1:1
Native Lens Mount
Canon EOS 5D Mark IIICanon EF
Sony Alpha 7R IISony E
Image Processor
Canon EOS 5D Mark IIIDIGIC 5+
Sony Alpha 7R IIBIONZ X
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 7R II399-Point Phase-Detection AF
Phase-Detect AF Points / Zones
Canon EOS 5D Mark III61 points
Sony Alpha 7R II399 points
✓ +338 pts
AI Subject Detection
Canon EOS 5D Mark IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Sony Alpha 7R IIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Max Continuous Burst Speed
Canon EOS 5D Mark III6 fps
✓ +1 fps
Sony Alpha 7R II5 fps
Mechanical Shutter Burst
Canon EOS 5D Mark III6 fps
✓ +1 fps
Sony Alpha 7R II5 fps
Electronic Shutter Burst
Canon EOS 5D Mark III6 fps
✓ +1 fps
Sony Alpha 7R II5 fps
Maximum Shutter Speed
Canon EOS 5D Mark III1/8000s (Mechanical) / 1/32000s (Electronic)
Sony Alpha 7R II1/8000s (Mechanical) / 1/32000s (Electronic)
In-Body Image Stabilization (IBIS)
Canon EOS 5D Mark IIINo Internal IBIS
Sony Alpha 7R II4.5 Stops (5-Axis)
✓ +4.5 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
Sony Alpha 7R II4K30 UHD
Supported Frame Rates
Canon EOS 5D Mark III1080p30 ALL-I at maximum sustained frame rate
Sony Alpha 7R II4K30 UHD at maximum sustained frame rate
Color Bit Depth & Sampling
Canon EOS 5D Mark III8-bit 4:2:0 H.264
Sony Alpha 7R II8-bit 4:2:0 S-Log2
Log Gamma & Cinema Profiles
Canon EOS 5D Mark IIIFull Cinema Log Profile Suite
Sony Alpha 7R IIFull 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 7R II3.5mm 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 7R IISingle SD UHS-I Slot
Electronic Viewfinder (EVF)
Canon EOS 5D Mark IIIOptical Viewfinder (100% coverage)
Sony Alpha 7R II2.36M-dot OLED EVF
Battery Life (CIPA Rated)
Canon EOS 5D Mark III950 shots
✓ +610 shots
Sony Alpha 7R II340 shots
Body Weight (with Battery & Card)
Canon EOS 5D Mark III950 g
Sony Alpha 7R II625 g
✓ 325g Lighter
Dimensions (W × H × D)
Canon EOS 5D Mark III152.0 × 116.4 × 76.4 mm
Sony Alpha 7R II126.9 × 95.7 × 60.3 mm
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