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 IV vs Sony Alpha 7R III

Direct specification breakdown comparing Canon's 30.4MP Canon EF-mount body against Sony's 42.4MP Sony E-mount body.

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Canon EOS 5D Mark IV Advantages1 Spec Wins
  • ✓Longer CIPA Battery Endurance (900shots vs 650shots)
Sony Alpha 7R III Advantages7 Spec Wins
  • ✓Higher Sensor Resolution (42.4MP vs 30.4MP)
  • ✓More Phase-Detect AF Points (399pts vs 61pts)
  • ✓Faster Continuous Burst (10fps vs 7fps)
  • ✓Faster Mechanical Shutter (10fps vs 7fps)
  • ✓Faster Electronic Shutter (10fps vs 7fps)
  • ✓Superior In-Body Stabilization (5.5stops vs 0stops)
  • ✓Lighter Body (657g vs 890g)
01

Sensor & Image Quality

Effective megapixel count, sensor readout architecture, and lens mount

Effective Sensor Resolution
Canon EOS 5D Mark IV30.4 MP
Sony Alpha 7R III42.4 MP
✓ +12 MP
Sensor Architecture & Type
Canon EOS 5D Mark IVFull Frame CMOS
Sony Alpha 7R IIIFull Frame Exmor R BSI CMOS
Physical Sensor Dimensions
Canon EOS 5D Mark IV36.0 × 24.0 mm
Sony Alpha 7R III35.9 × 24.0 mm
Aspect Ratios
Canon EOS 5D Mark IV3:2 (Native), 4:3, 16:9, 1:1
Sony Alpha 7R III3:2 (Native), 4:3, 16:9, 1:1
Native Lens Mount
Canon EOS 5D Mark IVCanon EF
Sony Alpha 7R IIISony E
Image Processor
Canon EOS 5D Mark IVDIGIC 6+
Sony Alpha 7R IIIBIONZ X
02

Autofocus & Shooting Speed

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

Autofocus System
Canon EOS 5D Mark IV61-Point High Density Reticular AF
Sony Alpha 7R III399-Point Phase-Detection AF
Phase-Detect AF Points / Zones
Canon EOS 5D Mark IV61 points
Sony Alpha 7R III399 points
✓ +338 pts
AI Subject Detection
Canon EOS 5D Mark IVDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Sony Alpha 7R IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Max Continuous Burst Speed
Canon EOS 5D Mark IV7 fps
Sony Alpha 7R III10 fps
✓ +3 fps
Mechanical Shutter Burst
Canon EOS 5D Mark IV7 fps
Sony Alpha 7R III10 fps
✓ +3 fps
Electronic Shutter Burst
Canon EOS 5D Mark IV7 fps
Sony Alpha 7R III10 fps
✓ +3 fps
Maximum Shutter Speed
Canon EOS 5D Mark IV1/8000s (Mechanical) / 1/32000s (Electronic)
Sony Alpha 7R III1/8000s (Mechanical) / 1/32000s (Electronic)
In-Body Image Stabilization (IBIS)
Canon EOS 5D Mark IVNo Internal IBIS
Sony Alpha 7R III5.5 Stops (5-Axis)
✓ +5.5 stops
03

Video Capabilities

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

Max Video Resolution
Canon EOS 5D Mark IV4K30 DCI
Sony Alpha 7R III4K30 UHD
Supported Frame Rates
Canon EOS 5D Mark IV4K30 DCI at maximum sustained frame rate
Sony Alpha 7R III4K30 UHD at maximum sustained frame rate
Color Bit Depth & Sampling
Canon EOS 5D Mark IV8-bit 4:2:2 Motion JPEG / Log
Sony Alpha 7R III8-bit 4:2:0 S-Log2/3
Log Gamma & Cinema Profiles
Canon EOS 5D Mark IVFull Cinema Log Profile Suite
Sony Alpha 7R IIIFull Cinema Log Profile Suite
Audio & HDMI I/O
Canon EOS 5D Mark IV3.5mm Stereo Microphone, 3.5mm Headphone Monitor, Clean HDMI Output
Sony Alpha 7R 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 IV1x CompactFlash + 1x SD UHS-I
Sony Alpha 7R III1x SD UHS-II + 1x SD UHS-I
Electronic Viewfinder (EVF)
Canon EOS 5D Mark IVOptical Viewfinder (100% coverage)
Sony Alpha 7R III3.69M-dot OLED EVF (120fps)
Battery Life (CIPA Rated)
Canon EOS 5D Mark IV900 shots
✓ +250 shots
Sony Alpha 7R III650 shots
Body Weight (with Battery & Card)
Canon EOS 5D Mark IV890 g
Sony Alpha 7R III657 g
✓ 233g Lighter
Dimensions (W × H × D)
Canon EOS 5D Mark IV150.7 × 116.4 × 75.9 mm
Sony Alpha 7R III126.9 × 95.6 × 73.7 mm
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