DUAL CAMERA COMPARISON ENGINE:Side-by-side optical sensor, autofocus, IBIS, and codec matrix with automated win detection
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Canon EOS 5D Mark III vs Canon EOS RP

Direct specification breakdown comparing Canon's 22.3MP Canon EF-mount body against Canon's 26.2MP Canon RF-mount body.

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Canon EOS 5D Mark III Advantages4 Spec Wins
  • ✓Faster Continuous Burst (6fps vs 5fps)
  • ✓Faster Mechanical Shutter (6fps vs 5fps)
  • ✓Faster Electronic Shutter (6fps vs 5fps)
  • ✓Longer CIPA Battery Endurance (950shots vs 250shots)
Canon EOS RP Advantages3 Spec Wins
  • ✓Higher Sensor Resolution (26.2MP vs 22.3MP)
  • ✓More Phase-Detect AF Points (4779pts vs 61pts)
  • ✓Lighter Body (485g 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
Canon EOS RP26.2 MP
✓ +3.9 MP
Sensor Architecture & Type
Canon EOS 5D Mark IIIFull Frame CMOS
Canon EOS RPFull Frame Dual Pixel CMOS
Physical Sensor Dimensions
Canon EOS 5D Mark III36.0 × 24.0 mm
Canon EOS RP35.9 × 24.0 mm
Aspect Ratios
Canon EOS 5D Mark III3:2 (Native), 4:3, 16:9, 1:1
Canon EOS RP3:2 (Native), 4:3, 16:9, 1:1
Native Lens Mount
Canon EOS 5D Mark IIICanon EF
Canon EOS RPCanon RF
Image Processor
Canon EOS 5D Mark IIIDIGIC 5+
Canon EOS RPDIGIC 8
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
Canon EOS RPDual Pixel CMOS AF
Phase-Detect AF Points / Zones
Canon EOS 5D Mark III61 points
Canon EOS RP4,779 points
✓ +4718 pts
AI Subject Detection
Canon EOS 5D Mark IIIDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Canon EOS RPDeep Learning Subject Recognition (Human, Animals, Vehicles, Aircraft)
Max Continuous Burst Speed
Canon EOS 5D Mark III6 fps
✓ +1 fps
Canon EOS RP5 fps
Mechanical Shutter Burst
Canon EOS 5D Mark III6 fps
✓ +1 fps
Canon EOS RP5 fps
Electronic Shutter Burst
Canon EOS 5D Mark III6 fps
✓ +1 fps
Canon EOS RP5 fps
Maximum Shutter Speed
Canon EOS 5D Mark III1/8000s (Mechanical) / 1/32000s (Electronic)
Canon EOS RP1/8000s (Mechanical) / 1/32000s (Electronic)
In-Body Image Stabilization (IBIS)
Canon EOS 5D Mark IIINo Internal IBIS
Canon EOS RPNo 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
Canon EOS RP4K24 Cropped
Supported Frame Rates
Canon EOS 5D Mark III1080p30 ALL-I at maximum sustained frame rate
Canon EOS RP4K24 Cropped at maximum sustained frame rate
Color Bit Depth & Sampling
Canon EOS 5D Mark III8-bit 4:2:0 H.264
Canon EOS RP8-bit 4:2:0 Internal
Log Gamma & Cinema Profiles
Canon EOS 5D Mark IIIFull Cinema Log Profile Suite
Canon EOS RPFull Cinema Log Profile Suite
Audio & HDMI I/O
Canon EOS 5D Mark III3.5mm Stereo Microphone, 3.5mm Headphone Monitor, Clean HDMI Output
Canon EOS RP3.5mm 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
Canon EOS RPSingle SD UHS-II Slot
Electronic Viewfinder (EVF)
Canon EOS 5D Mark IIIOptical Viewfinder (100% coverage)
Canon EOS RP2.36M-dot OLED EVF
Battery Life (CIPA Rated)
Canon EOS 5D Mark III950 shots
✓ +700 shots
Canon EOS RP250 shots
Body Weight (with Battery & Card)
Canon EOS 5D Mark III950 g
Canon EOS RP485 g
✓ 465g Lighter
Dimensions (W × H × D)
Canon EOS 5D Mark III152.0 × 116.4 × 76.4 mm
Canon EOS RP132.5 × 85.0 × 70.0 mm
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