SIDE-BY-SIDE HARDWARE MATRIX
Canon EOS 5D Mark III vs Sony Alpha 7S
Direct specification breakdown comparing Canon's 22.3MP Canon EF-mount body against Sony's 12.2MP Sony E-mount body.
ACTIVE MATCHUP
Technical Spec Matrix
Green indicators highlight objective numerical advantages.
✓ Smart Win Highlighting Active
Canon EOS 5D Mark III Advantages6 Spec Wins
- ✓Higher Sensor Resolution (22.3MP vs 12.2MP)
- ✓More Phase-Detect AF Points (61pts vs 25pts)
- ✓Faster Continuous Burst (6fps vs 5fps)
- ✓Faster Mechanical Shutter (6fps vs 5fps)
- ✓Faster Electronic Shutter (6fps vs 5fps)
- ✓Longer CIPA Battery Endurance (950shots vs 380shots)
Sony Alpha 7S Advantages1 Spec Wins
- ✓Lighter Body (489g 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
✓ +10.1 MPSony Alpha 7S12.2 MP
Sensor Architecture & Type
Canon EOS 5D Mark IIIFull Frame CMOS
Sony Alpha 7SFull Frame Exmor CMOS
Physical Sensor Dimensions
Canon EOS 5D Mark III36.0 × 24.0 mm
Sony Alpha 7S35.6 × 23.8 mm
Aspect Ratios
Canon EOS 5D Mark III3:2 (Native), 4:3, 16:9, 1:1
Sony Alpha 7S3:2 (Native), 4:3, 16:9, 1:1
Native Lens Mount
Canon EOS 5D Mark IIICanon EF
Sony Alpha 7SSony E
Image Processor
Canon EOS 5D Mark IIIDIGIC 5+
Sony Alpha 7SBIONZ 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 7S25-Point Contrast-Detection AF
Phase-Detect AF Points / Zones
Canon EOS 5D Mark III61 points
✓ +36 ptsSony Alpha 7S25 points
AI Subject Detection
Canon EOS 5D Mark IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Sony Alpha 7SDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Max Continuous Burst Speed
Canon EOS 5D Mark III6 fps
✓ +1 fpsSony Alpha 7S5 fps
Mechanical Shutter Burst
Canon EOS 5D Mark III6 fps
✓ +1 fpsSony Alpha 7S5 fps
Electronic Shutter Burst
Canon EOS 5D Mark III6 fps
✓ +1 fpsSony Alpha 7S5 fps
Maximum Shutter Speed
Canon EOS 5D Mark III1/8000s (Mechanical) / 1/32000s (Electronic)
Sony Alpha 7S1/8000s (Mechanical) / 1/32000s (Electronic)
In-Body Image Stabilization (IBIS)
Canon EOS 5D Mark IIINo Internal IBIS
Sony Alpha 7SNo Internal IBIS
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 7S4K30 via HDMI Out
Supported Frame Rates
Canon EOS 5D Mark III1080p30 ALL-I at maximum sustained frame rate
Sony Alpha 7S4K30 via HDMI Out at maximum sustained frame rate
Color Bit Depth & Sampling
Canon EOS 5D Mark III8-bit 4:2:0 H.264
Sony Alpha 7S8-bit 4:2:2 Clean HDMI / S-Log2
Log Gamma & Cinema Profiles
Canon EOS 5D Mark IIIFull Cinema Log Profile Suite
Sony Alpha 7SFull 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 7S3.5mm 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 7SSingle SD UHS-I Slot
Electronic Viewfinder (EVF)
Canon EOS 5D Mark IIIOptical Viewfinder (100% coverage)
Sony Alpha 7S2.36M-dot OLED EVF
Battery Life (CIPA Rated)
Canon EOS 5D Mark III950 shots
✓ +570 shotsSony Alpha 7S380 shots
Body Weight (with Battery & Card)
Canon EOS 5D Mark III950 g
Sony Alpha 7S489 g
✓ 461g LighterDimensions (W × H × D)
Canon EOS 5D Mark III152.0 × 116.4 × 76.4 mm
Sony Alpha 7S126.9 × 94.4 × 48.2 mm
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