Detailed comparison and review of Sony Alpha7R III ILCE-7RM3 and Canon EOS 1D X Mark III. With our comprehensive overview, you can simply compare design, sensors, proximity characteristics, memory capacities, but also other key features of both cameras and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the camera that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Sony Alpha7R III ILCE-7RM3 | 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 | 9.56 cm | 16.76 cm |
| Width | 12.69 cm | 15.8 cm |
| Depth | 7.37 cm | 8.26 cm |
| Weight | 572 g | 1.25 kg |
| Weight Details | Camera body only: 572 g Camera with battery and memory card: 675 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 | Dust-resistant, moisture-resistant | Weatherproof, dust-resistant |
| Digital Zoom | 4x | - |
| Navigation | - | GPS receiver |
| SENSOR | Sony Alpha7R III ILCE-7RM3 | Canon EOS 1D X Mark III |
|---|
| Sensor Resolution | 42.4 Megapixel | 20.1 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | CMOS |
| Total Pixels | 43,600,000 pixels | 21,400,000 pixels |
| Effective Sensor Resolution | 42,400,000 pixels | 20,100,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 24 mm) | Full Frame (36 x 24 mm) |
| Frame Rate (Max Resolution) | 30 fps | 60 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), Anti-Dust coating | Self Cleaning Sensor Unit, High Detail Low Pass Filter |
| Image Stabiliser | Optical (5-axis Steady Shot) | - |
| Built-in Optical Image Stabiliser | Yes | - |
| Sensors | Digital level metre | - |
| PROCESSOR | Sony Alpha7R III ILCE-7RM3 | Canon EOS 1D X Mark III |
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| Image Processor | BIONZ X | DIGIC X |
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| LENS | Sony Alpha7R III ILCE-7RM3 | Canon EOS 1D X Mark III |
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| Lens Mounting Type | Sony E-mount | Canon EF |
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| FOCUSING | Sony Alpha7R III ILCE-7RM3 | 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 | 399 | 191 |
| Auto Focus Features | Focus Peaking function, Predictive Focus Control | Deep Learning technology |
| AE/AF Control | Flex Focus Point, Eye detection AF, Zone 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 | Sony Alpha7R III ILCE-7RM3 | Canon EOS 1D X Mark III |
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| Viewfinder Type | Electronic - OLED | Optical - fixed eye-level pentaprism |
|---|---|---|
| Viewfinder Colour Support | Colour | - |
| Viewfinder Diagonal Size | 0.5" | - |
| Viewfinder Resolution | 3,686,400 pixels | - |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.78x | 0.76x |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -3 to +1 |
| Field of View Crop Factor | - | 1.0 |
| Features | Viewfinder brightness control, colour temperature control | - |
| EXPOSURE & WHITE BALANCE | Sony Alpha7R III ILCE-7RM3 | Canon EOS 1D X Mark III |
|---|
| ISO (Max) | 102400 | 819200 |
|---|---|---|
| Native ISO | - | 100-102400 |
| Extended ISO (Max) | - | 204800 (H1), 409600 (H2), 819200 (H3) |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 | 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 | 1200 | 216 |
| Exposure Modes | Bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, manual, aperture-priority, shutter-priority, E-TTL II program flash |
| Bracketing Modes | Dynamic Range Bracketing, white balance bracketing | - |
| Special Effects | 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 | Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white) | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (white) |
| Shutter Type | - | Mechanical electronically-controlled |
| 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, 5, 9 steps in 1/3, 1/2, 2/3, 1, 2 or 3 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 -3-20 (ISO 100) | EV 0-20 (ISO 100) |
| DISPLAY | Sony Alpha7R III ILCE-7RM3 | Canon EOS 1D X Mark III |
|---|
| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | Yes | - |
| Display Format | 1,440,000 pixels | 2,100,000 pixels |
| Display Form Factor | Folding | Built-in |
| Display Features | Display brightness control, Peaking AF display, Touch AF | Display brightness control |
| FLASH | Sony Alpha7R III ILCE-7RM3 | Canon EOS 1D X Mark III |
|---|
| Features | AF illuminator | - |
|---|
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7R III ILCE-7RM3 | Canon EOS 1D X Mark III |
|---|
| Digital Video Format | AVCHD, XAVC S | H.264, RAW, H.265 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG, C-RAW, HEIF |
| Max Video Resolution | 3840 x 2160 | 5472 x 2886 |
| Audio Signal Format | Dolby Digital AC-3 (2 channel), Linear PCM | - |
| Microphone Operation Mode | Stereo | Mono |
| MEMORY | Sony Alpha7R III ILCE-7RM3 | Canon EOS 1D X Mark III |
|---|
| Memory Card Slot | Memory Stick PRO Duo card, SD card | Dual CFexpress |
|---|---|---|
| Supported Memory Cards | 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 | CFexpress |
| Memory Card | - | 64 GB CFexpress |
| Memory Card Included | No | Yes |
| Image Storage | 7952 x 5304 7952 x 4472 5168 x 3448 5168 x 2912 3984 x 2656 3984 x 2240 2592 x 1728 2592 x 1456 |
5472 x 3648 4368 x 2912 3648 x 2432 2736 x 1824 |
| Video Capture | 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 |
RAW - 5472 x 2286 4096 x 2160 3840 x 2160 1920 x 1080 |
| BATTERY AND CHARGING | Sony Alpha7R III ILCE-7RM3 | Canon EOS 1D X Mark III |
|---|
| Battery Type | Sony NP-FZ100 Lithium Ion | Canon LP-E19 Lithium Ion |
|---|---|---|
| Details | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) | Canon LP-E19 Li-ion rechargeable battery (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) |
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 | Sony Alpha7R III ILCE-7RM3 | Canon EOS 1D X Mark III |
|---|
| Interface | HDMI, USB 2.0, USB-C, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 | USB 3.1, Wireless LAN, Bluetooth |
|---|---|---|
| Connectivity Features | Remote live view | - |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | DPOF support, Exif Print support |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe, PC terminal |
| Connector Type | 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) |
USB 3.1 Gen 2 (USB Type-C) Microphone (mini-phone stereo 3.5 mm) |
| FEATURES | Sony Alpha7R III ILCE-7RM3 | Canon EOS 1D X Mark III |
|---|
| Self-Timer Delay | 10 sec, 2sec, 5 sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 8 frames per second, 3 frames per second, 10 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 |
| HDR Mode | HDR Movie mode | - |
| Additional Features | 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 | 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 | Sony Alpha7R III ILCE-7RM3 | Canon EOS 1D X Mark III |
|---|
| Included Accessories | Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable | Body cap, neck strap, eyecup, interface cable, cable protector, dual battery charger |
|---|---|---|
| Max Operating Temperature | 40 °C | 45 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Service & Support | - | Limited warranty - 2 years |
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