Side by side comparison and review of Olympus OM-D E-M1 Mark III and Canon EOS 1D X Mark III. Compare design, sensors, zoom functions, batteries and other key specifications and features to simplify the choice of your perfect digital camera. Our goal is to make it easier for you to decide on the camera that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Olympus OM-D E-M1 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 | 9.09 cm | 16.76 cm |
| Width | 13.41 cm | 15.8 cm |
| Depth | 6.89 cm | 8.26 cm |
| Weight | 504 g | 1.25 kg |
| Weight Details | Camera only: 504 g Camera with battery and memory card: 580 g |
Camera body only: 1.25 kg Camera with battery and memory card: 1.44 kg |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | Black | - |
| Protection | Splashproof, freezeproof, dust-resistant | Weatherproof, dust-resistant |
| Navigation | - | GPS receiver |
| SENSOR | Olympus OM-D E-M1 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-M1 Mark III | Canon EOS 1D X Mark III |
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| Image Processor | TruePic IX | DIGIC X |
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| LENS | Olympus OM-D E-M1 Mark III | Canon EOS 1D X Mark III |
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| Lens Mounting Type | Micro Four Thirds | Canon EF |
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| FOCUSING | Olympus OM-D E-M1 Mark III | Canon EOS 1D X Mark III |
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| Auto Focus | TTL contrast and phase detection | Dual Pixel CMOS AF |
|---|---|---|
| Auto Focus Points (Zones) Qty | 121 | 191 |
| Auto Focus Features | Focus Peaking function | Deep Learning technology |
| AE/AF Control | Face-priority 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, face-priority AF function | - |
| VIEWFINDER | Olympus OM-D E-M1 Mark III | Canon EOS 1D X Mark III |
|---|
| Viewfinder Type | Electronic - LCD | Optical - fixed eye-level pentaprism |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Resolution | 2,360,000 pixels | - |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.48x | 0.76x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -3 to +1 |
| Viewfinder Information | Shutter speed, exposure compensation, AF-in-focus, aperture, white balance, Exposure Mode, image stabilizer, battery status, AF lock, electronic level, area AF frame, metering mode | - |
| Field of View Crop Factor | 2 | 1.0 |
| Features | Viewfinder brightness control, colour temperature control | - |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M1 Mark III | Canon EOS 1D X Mark III |
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| ISO (Max) | 25600 | 819200 |
|---|---|---|
| Native ISO | 200-6400 | 100-102400 |
| Extended ISO (Max) | 25600 | 204800 (H1), 409600 (H2), 819200 (H3) |
| Extended ISO (Min) | 64 | 50 |
| Light Sensitivity | ISO auto (64-6400), ISO 64-25600 | ISO 50, ISO auto, ISO 100-102400, ISO 819200 |
| Exposure Metering | Multi-segment, centre-weighted, spot, highlight spot, shadow spot | Evaluative, centre-weighted, spot (1.5%), partial (6.2%) |
| Exposure Metering Zones | 324 | 216 |
| Exposure Modes | Bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, manual, aperture-priority, shutter-priority, E-TTL II program flash |
| Bracketing Modes | Art Filter bracketing, focus bracketing, ISO sensitivity bracketing, Flash Exposure Bracketing, white balance bracketing | - |
| Special Effects | Sepia, Monotone, Black & White Red filter, Black & White Yellow filter, Vivid, Black & White Orange filter, soft focus, natural, Black & White Green filter, Flat, portrait, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Bleach Bypass, High Key, Low Key, Key Line, Vintage, e-Portrait | - |
| 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 | 5 steps in 1/3, 2/3 or 1 EV steps | 3 steps in 1/2 or 1/3 EV steps |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/250sec | 1/250sec |
| Exposure Range | EV -2-20 (ISO 100) | EV 0-20 (ISO 100) |
| DISPLAY | Olympus OM-D E-M1 Mark III | Canon EOS 1D X Mark III |
|---|
| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | Yes | - |
| Display Format | 1,037,000 pixels | 2,100,000 pixels |
| Display Form Factor | Rotating | Built-in |
| Display Features | Display brightness control, display colour control | Display brightness control |
| VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M1 Mark III | Canon EOS 1D X Mark III |
|---|
| Digital Video Format | MJPEG, H.264 | H.264, RAW, H.265 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | 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 | - |
| MEMORY | Olympus OM-D E-M1 Mark III | Canon EOS 1D X Mark III |
|---|
| Memory Card Slot | Dual 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, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card | CFexpress |
| Memory Card | - | 64 GB CFexpress |
| Memory Card Included | No | Yes |
| Image Storage | 5184 x 3888 | 5472 x 3648 4368 x 2912 3648 x 2432 2736 x 1824 |
| Video Capture | 4096 x 2160 p - 24 fps - 237Mbps 3840 x 2160 p - 30 fps 3840 x 2160 p - 25 fps 3840 x 2160 p - 24 fps 1920 x 1080 p - 30 fps 1920 x 1080 p - 25 fps 1920 x 1080 p - 24 fps 1920 x 1080 p - 60 fps 1920 x 1080 p - 50 fps 1280 x 720 p - 60 fps 1280 x 720 p - 50 fps 1280 x 720 p - 30 fps 1280 x 720 p - 25 fps 1280 x 720 p - 24 fps AVI - 640 x 480 p - 30 fps |
RAW - 5472 x 2286 4096 x 2160 3840 x 2160 1920 x 1080 |
| BATTERY AND CHARGING | Olympus OM-D E-M1 Mark III | Canon EOS 1D X Mark III |
|---|
| Battery Type | Olympus BLH-1 Lithium Ion | Canon LP-E19 Lithium Ion |
|---|---|---|
| Details | Olympus BLH-1 Li-ion rechargeable battery - 1720 mAh (included) | Canon LP-E19 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 420 shots Video recording - 85 minutes |
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-M1 Mark III | Canon EOS 1D X Mark III |
|---|
| Interface | HDMI, USB 3.0, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 | USB 3.1, Wireless LAN, Bluetooth |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | - |
| Print Standard | DPOF support, Exif Print support | DPOF support, Exif Print support |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe, PC terminal |
| Connector Type | USB 3.0 (USB Type-C) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
USB 3.1 Gen 2 (USB Type-C) Microphone (mini-phone stereo 3.5 mm) |
| FEATURES | Olympus OM-D E-M1 Mark III | Canon EOS 1D X Mark III |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 10 frames per second, 15 frames per second, 60 frames per second, 18 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 | Built-in speaker, RGB primary colour filter, auto power save, sharpness control, histogram display, in-camera red-eye removal, cropping an image, resizing an image, saturation control, shadow point display, highlight point display, in-camera film editing, contrast control, digital tele-converter, USB charging, HDR image enhancement technology, high-speed recording, Time-Lapse recording, silent shooting, GPS via mobile, Flicker detection, multiple exposure capture, Focus Stacking, 80-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-M1 Mark III | Canon EOS 1D X Mark III |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable, cable clip | 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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