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

Canon EOS 5D Mark III vs Sony Alpha 7 IV

Direct specification breakdown comparing Canon's 22.3MP Canon EF-mount body against Sony's 33MP Sony E-mount body.

Canon EOS 5D Mark III Advantages1 Spec Wins
  • ✓Longer CIPA Battery Endurance (950shots vs 580shots)
Sony Alpha 7 IV Advantages7 Spec Wins
  • ✓Higher Sensor Resolution (33MP vs 22.3MP)
  • ✓More Phase-Detect AF Points (759pts vs 61pts)
  • ✓Faster Continuous Burst (10fps vs 6fps)
  • ✓Faster Mechanical Shutter (10fps vs 6fps)
  • ✓Faster Electronic Shutter (10fps vs 6fps)
  • ✓Superior In-Body Stabilization (5.5stops vs 0stops)
  • ✓Lighter Body (658g 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 7 IV33 MP
✓ +10.7 MP
Sensor Architecture & Type
Canon EOS 5D Mark IIIFull Frame CMOS
Sony Alpha 7 IVFull Frame Exmor R BSI CMOS
Physical Sensor Dimensions
Canon EOS 5D Mark III36.0 × 24.0 mm
Sony Alpha 7 IV35.9 × 23.9 mm
Aspect Ratios
Canon EOS 5D Mark III3:2 (Native), 4:3, 16:9, 1:1
Sony Alpha 7 IV3:2 (Native), 4:3, 16:9, 1:1
Native Lens Mount
Canon EOS 5D Mark IIICanon EF
Sony Alpha 7 IVSony E
Image Processor
Canon EOS 5D Mark IIIDIGIC 5+
Sony Alpha 7 IVBIONZ XR
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 7 IV759-Point Phase-Detection AF
Phase-Detect AF Points / Zones
Canon EOS 5D Mark III61 points
Sony Alpha 7 IV759 points
✓ +698 pts
AI Subject Detection
Canon EOS 5D Mark IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Sony Alpha 7 IVDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Max Continuous Burst Speed
Canon EOS 5D Mark III6 fps
Sony Alpha 7 IV10 fps
✓ +4 fps
Mechanical Shutter Burst
Canon EOS 5D Mark III6 fps
Sony Alpha 7 IV10 fps
✓ +4 fps
Electronic Shutter Burst
Canon EOS 5D Mark III6 fps
Sony Alpha 7 IV10 fps
✓ +4 fps
Maximum Shutter Speed
Canon EOS 5D Mark III1/8000s (Mechanical) / 1/32000s (Electronic)
Sony Alpha 7 IV1/8000s (Mechanical) / 1/32000s (Electronic)
In-Body Image Stabilization (IBIS)
Canon EOS 5D Mark IIINo Internal IBIS
Sony Alpha 7 IV5.5 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 III1080p30 ALL-I
Sony Alpha 7 IV4K60 7K-Oversampled
Supported Frame Rates
Canon EOS 5D Mark III1080p30 ALL-I at maximum sustained frame rate
Sony Alpha 7 IV4K60 7K-Oversampled at maximum sustained frame rate
Color Bit Depth & Sampling
Canon EOS 5D Mark III8-bit 4:2:0 H.264
Sony Alpha 7 IV10-bit 4:2:2 S-Log3 / S-Cinetone
Log Gamma & Cinema Profiles
Canon EOS 5D Mark IIIFull Cinema Log Profile Suite
Sony Alpha 7 IVFull 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 7 IV3.5mm 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 7 IV1x CFexpress Type A/SD + 1x SD UHS-II
Electronic Viewfinder (EVF)
Canon EOS 5D Mark IIIOptical Viewfinder (100% coverage)
Sony Alpha 7 IV3.69M-dot OLED EVF (120fps)
Battery Life (CIPA Rated)
Canon EOS 5D Mark III950 shots
✓ +370 shots
Sony Alpha 7 IV580 shots
Body Weight (with Battery & Card)
Canon EOS 5D Mark III950 g
Sony Alpha 7 IV658 g
✓ 292g Lighter
Dimensions (W × H × D)
Canon EOS 5D Mark III152.0 × 116.4 × 76.4 mm
Sony Alpha 7 IV131.3 × 96.4 × 79.8 mm
OPA NETWORK EXPLORER

Deep Dive Across the Ecosystem