Sony Alpha7R IV ILCE-7RM4 vs. Canon EOS 1D X Mark III

Camera Comparison, Reviews and Tests

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.

Camera Specifications Comparison

Sony Alpha7R IV ILCE-7RM4 vs. Canon EOS 1D X Mark III Comparison Chart
DESIGN AND DIMENSIONS Sony Alpha7R IV ILCE-7RM4 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 9.64 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
Sensor Resolution 61 Megapixel 20.1 Megapixel
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
Image Processor BIONZ X DIGIC X
LENS Sony Alpha7R IV ILCE-7RM4 Canon EOS 1D X Mark III
Lens Mounting Type Sony E-mount Canon EF
FOCUSING Sony Alpha7R IV ILCE-7RM4 Canon EOS 1D X Mark III
Auto Focus TTL contrast and phase detection Dual Pixel CMOS AF
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
Viewfinder Type Electronic - OLED Optical - fixed eye-level pentaprism
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
ISO (Max) 32000 819200
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
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
VIDEOGRAPHY / CAMCORDER Sony Alpha7R IV ILCE-7RM4 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 IV ILCE-7RM4 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 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
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 - 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
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
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
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, 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
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 - parts and labour - 1 year Limited warranty - 2 years
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