In depth comparison and review of Canon EOS 1D X and Sony Alpha7R III ILCE-7RM3. 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.
| DESIGN AND DIMENSIONS | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
|---|
| Product Type | Digital camera - 1080p - SLR with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 16.36 cm | 9.56 cm |
| Width | 15.8 cm | 12.69 cm |
| Depth | 8.27 cm | 7.37 cm |
| Weight | 1.34 kg | 572 g |
| Weight Details | - | Camera body only: 572 g Camera with battery and memory card: 675 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | - | Black |
| Protection | Waterproof, dust-resistant | Dust-resistant, moisture-resistant |
| Digital Zoom | - | 4x |
| SENSOR | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
|---|
| Sensor Resolution | 18.1 Megapixel | 42.4 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Exmor R CMOS |
| Total Pixels | 19,300,000 pixels | 43,600,000 pixels |
| Effective Sensor Resolution | 18,100,000 pixels | 42,400,000 pixels |
| Optical Sensor Size | Full Frame (36 x 24 mm) | Full Frame (35.9 x 24 mm) |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | EOS Integrated Cleaning System, Anti-Dust coating, Ultrasonic Wave Motion Cleaning (UWMC) | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | - | Optical (5-axis Steady Shot) |
| Built-in Optical Image Stabiliser | - | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
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| Image Processor | Dual DIGIC 5+ | BIONZ X |
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| LENS | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
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| Lens Mounting Type | Canon EF | Sony E-mount |
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| FOCUSING | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
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| Auto Focus | TTL phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 61 | 399 |
| Auto Focus Features | Predictive Focus Control | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | - | Flex Focus Point, Eye detection AF, Zone AF |
| Face Detection | Live Face detection AF mode | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
|---|
| Viewfinder Type | Optical - fixed eye-level pentaprism | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | - | 3,686,400 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.76x | 0.78x |
| Optical Viewfinder Dioptric Correction Range | -3 to +1 | -4 to +3 |
| Viewfinder Information | Shutter speed, exposure compensation, AE lock, flash charge completion, aperture, white balance, metering system, battery status, flash compensation on/off, highlight tone priority, ISO sensitivity, memory card status, FE lock, AF status, AF point | - |
| Field of View Crop Factor | 1.0 | - |
| Features | - | Viewfinder brightness control, colour temperature control |
| EXPOSURE & WHITE BALANCE | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
|---|
| ISO (Max) | 204800 | 102400 |
|---|---|---|
| Light Sensitivity | ISO 50, ISO 102400, ISO 204800, ISO 100-51200, ISO auto (100-51200) | ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 |
| Exposure Metering | Evaluative, multi-spot, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 252 | 1200 |
| Exposure Modes | Programme, bulb, manual, aperture-priority, shutter-priority, E-TTL II program flash | Bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Dynamic Range Bracketing, white balance bracketing |
| Special Effects | Neutral, Faithful, monochrome, landscape, portrait | Black & White, Sepia, Neutral, Vivid, sunset, landscape, portrait, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, Soft High-key, Night Scene, Standard, Style Box, Posterisation (B/W) |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Fluorescent, cloudy, tungsten light, Flash, daylight, shade | Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white) |
| Max Shutter Speed | 1/8000 sec | 1/8000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 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 | 3, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 EV steps |
| White Balance Bracketing | - | Yes |
| X-sync Speed | 1/250sec | 1/250sec |
| Exposure Range | EV 0-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
|---|
| Type | 3.2" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | - | Yes |
| Display Format | 1,040,000 pixels | 1,440,000 pixels |
| Display Form Factor | Built-in | Folding |
| Display Features | Display brightness control | Display brightness control, Peaking AF display, Touch AF |
| FLASH | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
|---|
| Features | - | AF illuminator |
|---|
| VIDEOGRAPHY / CAMCORDER | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
|---|
| Digital Video Format | H.264, MOV | AVCHD, XAVC S |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Audio Signal Format | - | Dolby Digital AC-3 (2 channel), Linear PCM |
| Microphone Operation Mode | Stereo | Stereo |
| MEMORY | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
|---|
| Memory Card Slot | Dual CompactFlash Card | Memory Stick PRO Duo card, SD card |
|---|---|---|
| Supported Memory Cards | CompactFlash | SD Memory Card, Memory Stick PRO Duo, SDXC Memory Card, SDHC Memory Card, Memory Stick PRO-HG Duo, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card Included | - | No |
| Image Storage | JPEG 5184 x 3456 JPEG 4608 x 3072 JPEG 3456 x 2304 JPEG 2560 x 1536 RAW 5184 x 3456 RAW 3888 x 2592 RAW 2592 x 1728 |
7952 x 5304 7952 x 4472 5168 x 3448 5168 x 2912 3984 x 2656 3984 x 2240 2592 x 1728 2592 x 1456 |
| Video Capture | H.264 - 1920 x 1080 - 30 fps H.264 - 1920 x 1080 - 25 fps H.264 - 1920 x 1080 - 24 fps H.264 - 1280 x 720 - 60 fps H.264 - 1280 x 720 - 50 fps H.264 - 640 x 480 - 30 fps H.264 - 640 x 480 - 25 fps |
AVCHD - 1920 x 1080 i - 60 fps - 24Mbps AVCHD - 1920 x 1080 i - 60 fps - 17Mbps AVCHD - 1920 x 1080 i - 50 fps - 24Mbps AVCHD - 1920 x 1080 i - 50 fps - 17Mbps XAVC S - 3840 x 2160 p - 30 fps - 100Mbps XAVC S - 3840 x 2160 p - 24 fps - 100Mbps XAVC S - 3840 x 2160 p - 30 fps - 60Mbps XAVC S - 3840 x 2160 p - 24 fps - 60Mbps XAVC S - 1920 x 1080 p - 60 fps - 100Mbps XAVC S - 1920 x 1080 p - 120 fps - 60Mbps XAVC S - 1920 x 1080 p - 60 fps - 50Mbps XAVC S - 1920 x 1080 p - 30 fps - 50Mbps XAVC S - 1920 x 1080 p - 24 fps - 50Mbps XAVC S - 1920 x 1080 p - 60 fps - 25Mbps XAVC S - 1920 x 1080 p - 30 fps - 16Mbps XAVC S - 3840 x 2160 p - 25 fps - 100Mbps XAVC S - 3840 x 2160 p - 25 fps - 60Mbps XAVC S - 1920 x 1080 p - 100 fps - 100Mbps XAVC S - 1920 x 1080 p - 100 fps - 60Mbps XAVC S - 1920 x 1080 p - 50 fps - 50Mbps XAVC S - 1920 x 1080 p - 25 fps - 50Mbps XAVC S - 1920 x 1080 p - 50 fps - 25Mbps XAVC S - 1920 x 1080 p - 25 fps - 16Mbps |
| BATTERY AND CHARGING | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
|---|
| Battery Type | Canon LP-E4N Lithium Ion | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Canon LP-E4N Li-ion rechargeable battery - 2450 mAh (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
| Battery Life | - | Photo shooting - 650 shots (LCD Monitor on) Photo shooting - 530 shots (EVF on) Video recording - 1.92 hours (LCD Monitor on) Video recording - 1.67 hours (EVF on) |
| CONNECTIONS | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0 | HDMI, USB 2.0, USB-C, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 |
|---|---|---|
| Connectivity Features | - | Remote live view |
| Print Standard | Direct print, DPOF support, Exif Print support, PictBridge support | DPOF support, Exif Print support, PRINT Image Matching |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe, PC terminal |
| Connector Type | USB 2.0 Composite video/audio output Remote control HDMI output Microphone LAN |
USB 2.0 (5 pin Micro-USB Type B) USB 3.1 (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) |
| FEATURES | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
|---|
| Self-Timer Delay | 10 sec, 2sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| Continuous Shooting Speed | 12 frames per second, 14 frames per second | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second |
| HDR Mode | - | HDR Movie mode |
| Additional Features | Audio recording, RGB primary colour filter, auto power save, digital noise reduction, depth-of-field preview button, camera orientation detection, histogram display, AE lock, AF lock, FE lock, GPS ready, LCD live view mode, highlight point display, Dust Delete Data system, face detection, mirror lock, Auto Lighting Optimizer, in-camera RAW processing, peripheral illumination correction, Chromatic Aberration Compensation (CAC), NR Slow Shutter, distortion control, High ISO NR, EOS iTR (Intelligent Tracking and Recognition) AF, EOS iSA (Intelligent Subject Analysis) System, Quad Active Mirror Stopper, touch pad control | Built-in speaker, sharpness control, camera orientation detection, histogram display, saturation control, contrast control, Dynamic Range Optimizer, USB charging, built-in help guide, Dolby Digital Stereo Creator, x.v.Colour technology, HDR image enhancement technology, Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, silent shooting, GPS via mobile, S-Log2 gamma setting, Pixel Shift Resolution technology, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting |
| OTHERS | Canon EOS 1D X | Sony Alpha7R III ILCE-7RM3 |
|---|
| Included Accessories | Battery charger, body cap, neck strap, eyecup | Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable |
|---|---|---|
| Software | Drivers & Utilities, Canon PhotoStitch, Canon ZoomBrowser EX, Canon ImageBrowser, Canon Remote Capture, Canon Digital Photo Professional | - |
| Max Operating Temperature | 45 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
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