Detailed comparison and review of Sony Alpha7R IV ILCE-7RM4 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 IV ILCE-7RM4 | Canon EOS 1D X Mark III |
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Product Type | Digital camera - 4K - mirrorless system | Digital camera - 5.5K - SLR with Live View mode, movie recording |
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Lens Included | Body only | Body only |
Height | 9.64 cm | 16.76 cm |
Width | 12.89 cm | 15.8 cm |
Depth | 7.75 cm | 8.26 cm |
Weight | 665 g | 1.25 kg |
Weight Details | Camera body only: Camera with battery and memory card: 665 g |
Camera body only: 1.25 kg Camera with battery and memory card: 1.44 kg |
Body Material | - | Magnesium alloy |
Enclosure Colour | Black | - |
Protection | - | Weatherproof, dust-resistant |
Navigation | - | GPS receiver |
SENSOR | Sony Alpha7R IV ILCE-7RM4 | Canon EOS 1D X Mark III |
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Sensor Resolution | 61 Megapixel | 20.1 Megapixel |
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Optical Sensor Type | Exmor R CMOS | CMOS |
Total Pixels | 62,500,000 pixels | 21,400,000 pixels |
Effective Sensor Resolution | 61,000,000 pixels | 20,100,000 pixels |
Optical Sensor Size | Full Frame (35.7 x 23.8 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 IV ILCE-7RM4 | Canon EOS 1D X Mark III |
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Image Processor | BIONZ X | DIGIC X |
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LENS | Sony Alpha7R IV ILCE-7RM4 | 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 IV ILCE-7RM4 | Canon EOS 1D X Mark III |
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Auto Focus | TTL contrast and phase detection | Dual Pixel CMOS AF |
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Auto Focus Points (Zones) Qty | 567 | 191 |
Auto Focus Features | Predictive Focus Control, Focus Priority in Aperture Drive | Deep Learning technology |
AE/AF Control | Zone AF, Real-time Eye AF, Real-time Tracking 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 IV ILCE-7RM4 | Canon EOS 1D X Mark III |
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Viewfinder Type | Electronic - OLED | Optical - fixed eye-level pentaprism |
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Viewfinder Colour Support | Colour | - |
Viewfinder Diagonal Size | 0.5" | - |
Viewfinder Resolution | 5,760,000 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 IV ILCE-7RM4 | Canon EOS 1D X Mark III |
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ISO (Max) | 32000 | 819200 |
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Native ISO | 100-32000 | 100-102400 |
Extended ISO (Max) | 102400 | 204800 (H1), 409600 (H2), 819200 (H3) |
Extended ISO (Min) | 50 | 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, average | 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 | Electronic, mechanical electronically-controlled | 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 IV ILCE-7RM4 | Canon EOS 1D X Mark III |
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Type | 3" LCD display | 3.2" LCD display |
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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 |
VIDEOGRAPHY / CAMCORDER | Sony Alpha7R IV ILCE-7RM4 | Canon EOS 1D X Mark III |
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Digital Video Format | AVCHD, XAVC S | H.264, RAW, H.265 |
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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 IV ILCE-7RM4 | Canon EOS 1D X Mark III |
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Memory Card Slot | Dual SD card | Dual CFexpress |
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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 | 9504 x 6336 8448 x 6336 9504 x 5344 6240 x 4160 5552 x 4160 6240 x 3512 4752 x 3168 4224 x 3168 4752 x 2672 3120 x 2080 2768 x 2080 3120 x 1752 6336 x 6336 4160 x 4160 3168 x 3168 2080 x 2080 |
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 - 120 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 IV ILCE-7RM4 | Canon EOS 1D X Mark III |
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Battery Type | Sony NP-FZ100 Lithium Ion | Canon LP-E19 Lithium Ion |
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Details | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) | Canon LP-E19 Li-ion rechargeable battery (included) |
Battery Life | Photo shooting - 670 shots (LCD Monitor on) Photo shooting - 530 shots (EVF on) Video recording - 170 minutes (LCD Monitor on) Video recording - 160 minutes (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 IV ILCE-7RM4 | Canon EOS 1D X Mark III |
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Interface | HDMI, USB 2.0, USB-C, NFC (Near Field Communication), IEEE 802.11a/b/g/n/ac, Bluetooth 4.1 | USB 3.1, Wireless LAN, Bluetooth |
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Connectivity Features | Remote control via mobile devices, remote live view, PC Remote functions via Wi-Fi | - |
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 3.2 Gen 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 IV ILCE-7RM4 | Canon EOS 1D X Mark III |
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Self-Timer Delay | 10 sec, 2sec, 5 sec | 10 sec, 2sec |
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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, x.v.Colour technology, Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, silent shooting, 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, PC Remote functions via USB | 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 IV ILCE-7RM4 | Canon EOS 1D X Mark III |
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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 |
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Max Operating Temperature | 40 °C | 45 °C |
Min Operating Temperature | 0 °C | 0 °C |
Service & Support | Limited warranty - parts and labour - 1 year | Limited warranty - 2 years |