SIDE-BY-SIDE HARDWARE MATRIX
Canon EOS R vs Canon EOS 5D Mark III
Direct specification breakdown comparing Canon's 30.3MP Canon RF-mount body against Canon's 22.3MP Canon EF-mount body.
ACTIVE MATCHUP
Technical Spec Matrix
Green indicators highlight objective numerical advantages.
✓ Smart Win Highlighting Active
Canon EOS R Advantages6 Spec Wins
- ✓Higher Sensor Resolution (30.3MP vs 22.3MP)
- ✓More Phase-Detect AF Points (5655pts vs 61pts)
- ✓Faster Continuous Burst (8fps vs 6fps)
- ✓Faster Mechanical Shutter (8fps vs 6fps)
- ✓Faster Electronic Shutter (8fps vs 6fps)
- ✓Lighter Body (660g vs 950g)
Canon EOS 5D Mark III Advantages1 Spec Wins
- ✓Longer CIPA Battery Endurance (950shots vs 370shots)
01
Sensor & Image Quality
Effective megapixel count, sensor readout architecture, and lens mount
Effective Sensor Resolution
Canon EOS R30.3 MP
✓ +8 MPCanon EOS 5D Mark III22.3 MP
Sensor Architecture & Type
Canon EOS RFull Frame Dual Pixel CMOS
Canon EOS 5D Mark IIIFull Frame CMOS
Physical Sensor Dimensions
Canon EOS R36.0 × 24.0 mm
Canon EOS 5D Mark III36.0 × 24.0 mm
Aspect Ratios
Canon EOS R3:2 (Native), 4:3, 16:9, 1:1
Canon EOS 5D Mark III3:2 (Native), 4:3, 16:9, 1:1
Native Lens Mount
Canon EOS RCanon RF
Canon EOS 5D Mark IIICanon EF
Image Processor
Canon EOS RDIGIC 8
Canon EOS 5D Mark IIIDIGIC 5+
02
Autofocus & Shooting Speed
Phase-detect AF points, neural subject tracking, burst speeds, and IBIS stops
Autofocus System
Canon EOS RDual Pixel CMOS AF
Canon EOS 5D Mark III61-Point High Density Reticular AF
Phase-Detect AF Points / Zones
Canon EOS R5,655 points
✓ +5594 ptsCanon EOS 5D Mark III61 points
AI Subject Detection
Canon EOS RDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Canon EOS 5D Mark IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Max Continuous Burst Speed
Canon EOS R8 fps
✓ +2 fpsCanon EOS 5D Mark III6 fps
Mechanical Shutter Burst
Canon EOS R8 fps
✓ +2 fpsCanon EOS 5D Mark III6 fps
Electronic Shutter Burst
Canon EOS R8 fps
✓ +2 fpsCanon EOS 5D Mark III6 fps
Maximum Shutter Speed
Canon EOS R1/8000s (Mechanical) / 1/32000s (Electronic)
Canon EOS 5D Mark III1/8000s (Mechanical) / 1/32000s (Electronic)
In-Body Image Stabilization (IBIS)
Canon EOS RNo 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
Canon EOS R4K30 Cropped
Canon EOS 5D Mark III1080p30 ALL-I
Supported Frame Rates
Canon EOS R4K30 Cropped at maximum sustained frame rate
Canon EOS 5D Mark III1080p30 ALL-I at maximum sustained frame rate
Color Bit Depth & Sampling
Canon EOS R10-bit 4:2:2 C-Log via HDMI
Canon EOS 5D Mark III8-bit 4:2:0 H.264
Log Gamma & Cinema Profiles
Canon EOS RFull Cinema Log Profile Suite
Canon EOS 5D Mark IIIFull Cinema Log Profile Suite
Audio & HDMI I/O
Canon EOS R3.5mm 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
Canon EOS RSingle SD UHS-II Slot
Canon EOS 5D Mark III1x CompactFlash + 1x SD UHS-I
Electronic Viewfinder (EVF)
Canon EOS R3.69M-dot OLED EVF
Canon EOS 5D Mark IIIOptical Viewfinder (100% coverage)
Battery Life (CIPA Rated)
Canon EOS R370 shots
Canon EOS 5D Mark III950 shots
✓ +580 shotsBody Weight (with Battery & Card)
Canon EOS R660 g
✓ 290g LighterCanon EOS 5D Mark III950 g
Dimensions (W × H × D)
Canon EOS R135.8 × 98.3 × 84.4 mm
Canon EOS 5D Mark III152.0 × 116.4 × 76.4 mm
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