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

Sony Alpha 7R vs Canon EOS 5D Mark III

Direct specification breakdown comparing Sony's 36.4MP Sony E-mount body against Canon's 22.3MP Canon EF-mount body.

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Sony Alpha 7R Advantages2 Spec Wins
  • ✓Higher Sensor Resolution (36.4MP vs 22.3MP)
  • ✓Lighter Body (465g vs 950g)
Canon EOS 5D Mark III Advantages5 Spec Wins
  • ✓More Phase-Detect AF Points (61pts vs 25pts)
  • ✓Faster Continuous Burst (6fps vs 4fps)
  • ✓Faster Mechanical Shutter (6fps vs 4fps)
  • ✓Faster Electronic Shutter (6fps vs 4fps)
  • ✓Longer CIPA Battery Endurance (950shots vs 340shots)
01

Sensor & Image Quality

Effective megapixel count, sensor readout architecture, and lens mount

Effective Sensor Resolution
Sony Alpha 7R36.4 MP
✓ +14.1 MP
Canon EOS 5D Mark III22.3 MP
Sensor Architecture & Type
Sony Alpha 7RFull Frame CMOS (No OLPF)
Canon EOS 5D Mark IIIFull Frame CMOS
Physical Sensor Dimensions
Sony Alpha 7R35.9 × 24.0 mm
Canon EOS 5D Mark III36.0 × 24.0 mm
Aspect Ratios
Sony Alpha 7R3:2 (Native), 4:3, 16:9, 1:1
Canon EOS 5D Mark III3:2 (Native), 4:3, 16:9, 1:1
Native Lens Mount
Sony Alpha 7RSony E
Canon EOS 5D Mark IIICanon EF
Image Processor
Sony Alpha 7RBIONZ X
Canon EOS 5D Mark IIIDIGIC 5+
02

Autofocus & Shooting Speed

Phase-detect AF points, neural subject tracking, burst speeds, and IBIS stops

Autofocus System
Sony Alpha 7R25-Point Contrast-Detection AF
Canon EOS 5D Mark III61-Point High Density Reticular AF
Phase-Detect AF Points / Zones
Sony Alpha 7R25 points
Canon EOS 5D Mark III61 points
✓ +36 pts
AI Subject Detection
Sony Alpha 7RDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Canon EOS 5D Mark IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Max Continuous Burst Speed
Sony Alpha 7R4 fps
Canon EOS 5D Mark III6 fps
✓ +2 fps
Mechanical Shutter Burst
Sony Alpha 7R4 fps
Canon EOS 5D Mark III6 fps
✓ +2 fps
Electronic Shutter Burst
Sony Alpha 7R4 fps
Canon EOS 5D Mark III6 fps
✓ +2 fps
Maximum Shutter Speed
Sony Alpha 7R1/8000s (Mechanical) / 1/32000s (Electronic)
Canon EOS 5D Mark III1/8000s (Mechanical) / 1/32000s (Electronic)
In-Body Image Stabilization (IBIS)
Sony Alpha 7RNo Internal IBIS
Canon EOS 5D Mark IIINo Internal IBIS
03

Video Capabilities

Maximum recording resolution, frame rate capabilities, internal bit depth, and I/O

Max Video Resolution
Sony Alpha 7R1080p60 FHD
Canon EOS 5D Mark III1080p30 ALL-I
Supported Frame Rates
Sony Alpha 7R1080p60 FHD at maximum sustained frame rate
Canon EOS 5D Mark III1080p30 ALL-I at maximum sustained frame rate
Color Bit Depth & Sampling
Sony Alpha 7R8-bit 4:2:0 AVCHD
Canon EOS 5D Mark III8-bit 4:2:0 H.264
Log Gamma & Cinema Profiles
Sony Alpha 7RFull Cinema Log Profile Suite
Canon EOS 5D Mark IIIFull Cinema Log Profile Suite
Audio & HDMI I/O
Sony Alpha 7R3.5mm Stereo Microphone, 3.5mm Headphone Monitor, Clean HDMI Output
Canon EOS 5D Mark 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
Sony Alpha 7RSingle SD UHS-I Slot
Canon EOS 5D Mark III1x CompactFlash + 1x SD UHS-I
Electronic Viewfinder (EVF)
Sony Alpha 7R2.36M-dot OLED EVF
Canon EOS 5D Mark IIIOptical Viewfinder (100% coverage)
Battery Life (CIPA Rated)
Sony Alpha 7R340 shots
Canon EOS 5D Mark III950 shots
✓ +610 shots
Body Weight (with Battery & Card)
Sony Alpha 7R465 g
✓ 485g Lighter
Canon EOS 5D Mark III950 g
Dimensions (W × H × D)
Sony Alpha 7R126.9 × 94.4 × 48.2 mm
Canon EOS 5D Mark III152.0 × 116.4 × 76.4 mm
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