Olympus OM-D E-M5 Mark III vs. Canon EOS 1D X Mark III

Camera Comparison, Reviews and Tests

In depth comparison and review of Olympus OM-D E-M5 Mark III and Canon EOS 1D X Mark III. Compare design, sensors, proximity features, memory capacities and other important specifications and features to easily choose the right camera for you. Our goal is to help you uncover differences between the products and find the digital camera that will best fit your needs.

Camera Specifications Comparison

Olympus OM-D E-M5 Mark III vs. Canon EOS 1D X Mark III Comparison Chart
DESIGN AND DIMENSIONS Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Product Type Digital camera - 4K - mirrorless system Digital camera - 5.5K - SLR with Live View mode, movie recording
Lens Included Body only Body only
Height 8.52 cm 16.76 cm
Width 12.53 cm 15.8 cm
Depth 4.97 cm 8.26 cm
Weight 366 g 1.25 kg
Weight Details Camera body only: 366 g
Camera with battery and memory card: 414 g
Camera body only: 1.25 kg
Camera with battery and memory card: 1.44 kg
Body Material - Magnesium alloy
Enclosure Colour Black | Silver -
Protection Splashproof, freezeproof, dust-resistant Weatherproof, dust-resistant
Navigation - GPS receiver
SENSOR Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Sensor Resolution 20.4 Megapixel 20.1 Megapixel
Optical Sensor Type Live MOS CMOS
Total Pixels 21,800,000 pixels 21,400,000 pixels
Effective Sensor Resolution 20,400,000 pixels 20,100,000 pixels
Optical Sensor Size Four Thirds (4/3") Full Frame (36 x 24 mm)
Frame Rate (Max Resolution) 24 fps 60 fps
Sensor Dust Reduction Yes Yes
Sensor Features Supersonic Wave Filter (SWF) Self Cleaning Sensor Unit, High Detail Low Pass Filter
Image Stabiliser Optical (5-axis image sensor shift mechanism) -
Built-in Optical Image Stabiliser Yes -
Sensors Digital level metre -
PROCESSOR Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Image Processor TruePic VIII DIGIC X
LENS Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Lens Mounting Type Micro Four Thirds Canon EF
FOCUSING Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Auto Focus TTL contrast and phase detection Dual Pixel CMOS AF
Auto Focus Points (Zones) Qty 121 191
Auto Focus Features Focus Peaking function, Manual Focus Check Live View Deep Learning technology
AE/AF Control Subject-tracking AF, Eye detection AF Face-priority AF, Eye detection AF, Zone AF, AI Servo AF, Head Detection AF, Large Zone AF
Face Detection Eye Detect AF -
VIEWFINDER Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Viewfinder Type Electronic - OLED Optical - fixed eye-level pentaprism
Viewfinder Colour Support Colour -
Viewfinder Resolution 2,360,000 pixels -
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 1.37x 0.76x
Optical Viewfinder Dioptric Correction Range -4 to +2 -3 to +1
Field of View Crop Factor 2 1.0
EXPOSURE & WHITE BALANCE Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
ISO (Max) 25600 819200
Native ISO 200-25600 100-102400
Extended ISO (Max) - 204800 (H1), 409600 (H2), 819200 (H3)
Extended ISO (Min) 64 50
Light Sensitivity ISO 100, ISO 64, ISO auto, ISO 200-25600 ISO 50, ISO auto, ISO 100-102400, ISO 819200
Exposure Metering Multi-segment, centre-weighted, spot Evaluative, centre-weighted, spot (1.5%), partial (6.2%)
Exposure Metering Zones 324 216
Exposure Modes Programme, bulb, automatic, manual, aperture-priority, shutter-priority Programme, bulb, manual, aperture-priority, shutter-priority, E-TTL II program flash
Bracketing Modes Art Filter bracketing, ISO sensitivity bracketing, Flash Exposure Bracketing, white balance bracketing -
Special Effects Soft focus, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Bleach Bypass, Key Line, Vintage, Nostalgia, Neo Nostalgia -
White Balance Custom, automatic, presets Custom, automatic, presets
White Balance Presets Fluorescent, sunlight, tungsten light, Flash, shade, overcast, Underwater, 2000K - 14000K Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (white)
Shutter Type Mechanical, electronic Mechanical electronically-controlled
Max Shutter Speed 1/32000 sec 1/8000 sec
Min Shutter Speed 60 sec 30 sec
Exposure Compensation ±5 EV range, in 1, 1/2 or 1/3 EV steps ±5 EV range, in 1/2 or 1/3 EV steps
Auto Exposure Bracketing - 3 steps in 1/2 or 1/3 EV steps
White Balance Bracketing Yes -
X-sync Speed - 1/250sec
Exposure Range EV -2-20 (ISO 100) EV 0-20 (ISO 100)
DISPLAY Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Type 3" LCD display 3.2" LCD display
Touch Screen Yes -
Display Format 1,040,000 pixels 2,100,000 pixels
Display Form Factor Folding Built-in
Display Features Display brightness control, display colour control, Touch AF Display brightness control
FLASH Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Camera Flash Detachable flash -
Guide Number (m / ISO 100) 12.9 -
Flash Modes Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction -
Red-Eye Reduction Yes -
Features AF illuminator, flash +/- compensation, wireless off-camera control, flash exposure bracketing -
External Flash Name Olympus FL-LM3 -
VIDEOGRAPHY / CAMCORDER Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Digital Video Format H.264, MOV H.264, RAW, H.265
Image Recording Format JPEG, RAW, RAW + JPEG, MPO JPEG, RAW, RAW + JPEG, C-RAW, HEIF
Max Video Resolution 4096 x 2160 5472 x 2886
Audio Signal Format Linear PCM -
Microphone Operation Mode Stereo Mono
Microphone Features Wind noise reduction, sensitivity control -
MEMORY Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Memory Card Slot SD card Dual CFexpress
Supported Memory Cards SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card CFexpress
Memory Card - 64 GB CFexpress
Memory Card Included No Yes
Image Storage RAW 5184 x 3888
JPEG 5184 x 3888
JPEG 1024 x 768
5472 x 3648
4368 x 2912
3648 x 2432
2736 x 1824
Video Capture MOV - 1920 x 1080 p - 30 fps
MOV - 1920 x 1080 p - 25 fps
MOV - 1920 x 1080 p - 24 fps
MOV - 1920 x 1080 p - 60 fps
MOV - 1920 x 1080 p - 50 fps
MOV - 1280 x 720 p - 60 fps
MOV - 1280 x 720 p - 50 fps
MOV - 1280 x 720 p - 30 fps
MOV - 1280 x 720 p - 25 fps
MOV - 1280 x 720 p - 24 fps
MOV - 4096 x 2160 p - 30 fps
MOV - 3840 x 2160 p - 30 fps
MOV - 3840 x 2160 p - 25 fps
MOV - 3840 x 2160 p - 24 fps
RAW - 5472 x 2286
4096 x 2160
3840 x 2160
1920 x 1080
BATTERY AND CHARGING Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Battery Type Olympus BLS-50 Lithium Ion Canon LP-E19 Lithium Ion
Details Olympus BLS-50 Li-ion rechargeable battery (included) Canon LP-E19 Li-ion rechargeable battery (included)
Battery Life Photo shooting - 310 shots Photo shooting - 2850 shots (at 23 °C (LCD Monitor off))
Photo shooting - 2360 shots (at 0 °C (LCD Monitor off))
Photo shooting - 610 shots (at 23 °C (Live View mode))
Photo shooting - 530 shots (at 0 °C (Live View mode))
CONNECTIONS Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Interface HDMI, USB 2.0, IEEE 802.11a/b/g/n, Bluetooth 4.2 USB 3.1, Wireless LAN, Bluetooth
Connectivity Features Remote control via mobile devices, remote live view -
Print Standard Exif Print support DPOF support, Exif Print support
Flash Terminal Hot shoe Hot shoe, PC terminal
Connector Type USB 2.0 (5 pin Micro-USB Type B)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone stereo 3.5 mm)
Remote control (sub-mini phone 2.5 mm)
USB 3.1 Gen 2 (USB Type-C)
Microphone (mini-phone stereo 3.5 mm)
FEATURES Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Self-Timer Delay 2sec, 12sec 10 sec, 2sec
Continuous Shooting Speed 10 frames per second, 30 frames per second, 6 frames per second 8 frames per second, 3 frames per second, 20 frames per second, 10 frames per second, 16 frames per second
Additional Features Auto power save, AE lock, AF lock, interval shooting mode, USB charging, high-speed recording, Touch Shutter technology, Focus Stacking, 50-megapixel High Resolution mode Audio recording, RGB primary colour filter, auto power save, depth-of-field preview button, histogram display, AE lock, AF lock, FE lock, highlight point display, Dust Delete Data system, in-camera RAW processing
OTHERS Olympus OM-D E-M5 Mark III Canon EOS 1D X Mark III
Included Accessories Battery charger, body cap, shoulder strap, USB cable Body cap, neck strap, eyecup, interface cable, cable protector, dual battery charger
Max Operating Temperature 40 °C 45 °C
Min Operating Temperature -10 °C 0 °C
Service & Support - Limited warranty - 2 years
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