Sony Alpha7R III ILCE-7RM3 vs. Canon EOS R

Camera Comparison, Reviews and Tests

Detailed comparison and review of Sony Alpha7R III ILCE-7RM3 and Canon EOS R. 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 III ILCE-7RM3 vs. Canon EOS R Comparison Chart
DESIGN AND DIMENSIONS Sony Alpha7R III ILCE-7RM3 Canon EOS R
Product Type Digital camera - 4K - mirrorless system Digital camera - 4K - mirrorless system with Live View mode, movie recording
Lens Included Body only Body only
Height 9.56 cm 9.83 cm
Width 12.69 cm 13.58 cm
Depth 7.37 cm 8.44 cm
Weight 572 g 580 g
Weight Details Camera body only: 572 g
Camera with battery and memory card: 675 g
Camera body only: 580 g
Camera with battery and memory card: 660 g
Body Material Magnesium alloy Magnesium alloy
Enclosure Colour Black -
Protection Dust-resistant, moisture-resistant Waterproof, dust-resistant
Digital Zoom 4x -
SENSOR Sony Alpha7R III ILCE-7RM3 Canon EOS R
Sensor Resolution 42.4 Megapixel 30.3 Megapixel
Optical Sensor Type Exmor R CMOS CMOS
Total Pixels 43,600,000 pixels 31,700,000 pixels
Effective Sensor Resolution 42,400,000 pixels 30,300,000 pixels
Optical Sensor Size Full Frame (35.9 x 24 mm) Full Frame (36 x 24 mm)
Frame Rate (Max Resolution) 30 fps 30 fps
Sensor Dust Reduction Yes Yes
Sensor Features Dust Reduction (image sensor vibration), Anti-Dust coating EOS Integrated Cleaning System
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 R
Image Processor BIONZ X DIGIC 8
LENS Sony Alpha7R III ILCE-7RM3 Canon EOS R
Lens Mounting Type Sony E-mount Canon RF
FOCUSING Sony Alpha7R III ILCE-7RM3 Canon EOS R
Auto Focus TTL contrast and phase detection Dual Pixel CMOS AF
Auto Focus Points (Zones) Qty 399 5655
Auto Focus Features Focus Peaking function, Predictive Focus Control Focus Peaking function
AE/AF Control Flex Focus Point, Eye detection AF, Zone AF Face-priority AF, Subject-tracking AF, Eye detection AF, Zone AF, Touch and Drag AF
Face Detection Eye Detect AF, face-priority AF function Face Detection AF/AE
VIEWFINDER Sony Alpha7R III ILCE-7RM3 Canon EOS R
Viewfinder Type Electronic - OLED Electronic - OLED
Viewfinder Colour Support Colour -
Viewfinder Diagonal Size 0.5" 0.5"
Viewfinder Resolution 3,686,400 pixels 3,690,000 pixels
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 0.78x 0.76x
Optical Viewfinder Dioptric Correction Range -4 to +3 -4 to +2
Field of View Crop Factor - 1.0
Features Viewfinder brightness control, colour temperature control Viewfinder brightness control
EXPOSURE & WHITE BALANCE Sony Alpha7R III ILCE-7RM3 Canon EOS R
ISO (Max) 102400 102400
Native ISO - 100-40000
Extended ISO (Max) - 51200 (H1), 102400 (H2)
Extended ISO (Min) - 50
Light Sensitivity ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 ISO 50, ISO 102400, ISO 51200, ISO 100-40000
Exposure Metering Multi-segment, centre-weighted, spot Evaluative, centre-weighted, partial (6.1%), spot (2.7%)
Exposure Metering Zones 1200 384
Exposure Modes Bulb, automatic, manual, aperture-priority, shutter-priority Programme, bulb, automatic, 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) Neutral, Custom Effect, Faithful, monochrome, landscape, portrait, Standard, Fine Detail
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 ±3 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 Yes
X-sync Speed 1/250sec 1/200sec
Exposure Range EV -3-20 (ISO 100) EV -3-20 (ISO 100)
DISPLAY Sony Alpha7R III ILCE-7RM3 Canon EOS R
Type 3" LCD display 3.15" LCD display
Touch Screen Yes Yes
Display Format 1,440,000 pixels 2,100,000 pixels
Display Form Factor Folding Rotating
Display Features Display brightness control, Peaking AF display, Touch AF Display brightness control, display colour control, anti-smudge coating
FLASH Sony Alpha7R III ILCE-7RM3 Canon EOS R
Features AF illuminator -
VIDEOGRAPHY / CAMCORDER Sony Alpha7R III ILCE-7RM3 Canon EOS R
Digital Video Format AVCHD, XAVC S H.264
Image Recording Format JPEG, RAW, RAW + JPEG JPEG, RAW, RAW + JPEG, C-RAW
Max Video Resolution 3840 x 2160 3840 x 2160
Audio Signal Format Dolby Digital AC-3 (2 channel), Linear PCM Linear PCM
Microphone Operation Mode Stereo Stereo
MEMORY Sony Alpha7R III ILCE-7RM3 Canon EOS R
Memory Card Slot Memory Stick PRO Duo card, SD card SD card
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 SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card
Memory Card Included No No
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
RAW 6720 x 4480
RAW 4176 x 2784
RAW 5952 x 4480
RAW 6720 x 4480
RAW 4480 x 4480
JPEG 4464 x 2976
JPEG 3968 x 2976
JPEG 4464 x 2512
JPEG 2976 x 2976
JPEG 3360 x 2240
JPEG 2400 x 1600
JPEG 2976 x 2240
JPEG 3360 x 1888
JPEG 2240 x 2240
JPEG 2400 x 1600
JPEG 2112 x 1600
JPEG 2400 x 1344
JPEG 1600 x 1600
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
H.264 - 3840 x 2160 p - 29.97 fps
H.264 - 3840 x 2160 p - 24 fps
H.264 - 3840 x 2160 p - 23.98 fps
H.264 - 1920 x 1080 p - 59.94 fps
H.264 - 1920 x 1080 p - 29.97 fps
H.264 - 1920 x 1080 p - 24 fps
H.264 - 1920 x 1080 p - 23.98 fps
H.264 - 1280 x 720 p - 119.9 fps
H.264 - 1280 x 720 p - 59.94 fps
H.264 - 1280 x 720 p - 29.97 fps
BATTERY AND CHARGING Sony Alpha7R III ILCE-7RM3 Canon EOS R
Battery Type Sony NP-FZ100 Lithium Ion Canon LP-E6N Lithium Ion
Details Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) Canon LP-E6N 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 - 370 shots (at 23 °C (Live View mode))
Photo shooting - 350 shots (at 0 °C (Live View mode))
Photo shooting - 350 shots (at 0 °C (LCD Monitor off))
Photo shooting - 330 shots (at 0 °C (LCD Monitor off))
CONNECTIONS Sony Alpha7R III ILCE-7RM3 Canon EOS R
Interface HDMI, USB 2.0, USB-C, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 HDMI, USB 3.1, IEEE 802.11b/g/n, Bluetooth 4.1
Connectivity Features Remote live view Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless image printing
Print Standard DPOF support, Exif Print support, PRINT Image Matching DPOF support, Exif Print support, PictBridge support
Computer Connectivity - Mac, Windows
Flash Terminal Hot shoe, PC terminal Hot shoe
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 (USB Type-C)
HDMI output (19 pin mini HDMI Type C)
Audio line-in / microphone (mini-phone stereo 3.5 mm)
Headphones (mini-phone stereo 3.5 mm)
Remote control
FEATURES Sony Alpha7R III ILCE-7RM3 Canon EOS R
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, 5 frames per second, 2.2 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 RGB primary colour filter, auto power save, camera orientation detection, histogram display, AE lock, AF lock, cropping an image, resizing an image, highlight tone priority, Dust Delete Data system, USB charging, Auto Lighting Optimizer, in-camera RAW processing, peripheral illumination correction, Time-Lapse recording, Canon Log Gamma mode, high ISO speed noise reduction, silent shooting, Dual Pixel CMOS AF technology, diffraction correction, Flicker detection, Digital Lens Optimizer
OTHERS Sony Alpha7R III ILCE-7RM3 Canon EOS R
Included Accessories Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable Battery charger, body cap, neck strap, USB cable, cable protector
Software - Canon Digital Photo Professional
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature 0 °C 0 °C
Service & Support - Limited warranty - parts and labour - 1 year
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