In depth comparison and review of Canon EOS R and Sony Alpha7s III ILCE-7SM3. 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 R | Sony Alpha7s III ILCE-7SM3 |
|---|
| Product Type | Digital camera - 4K - mirrorless system with Live View mode, movie recording | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.83 cm | 9.69 cm |
| Width | 13.58 cm | 12.89 cm |
| Depth | 8.44 cm | 8.08 cm |
| Weight | 580 g | 699 g |
| Weight Details | Camera body only: 580 g Camera with battery and memory card: 660 g |
Camera with battery and memory card: 699 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Protection | Waterproof, dust-resistant | Dust-resistant, moisture-resistant |
| Digital Zoom | - | 4x |
| SENSOR | Canon EOS R | Sony Alpha7s III ILCE-7SM3 |
|---|
| Sensor Resolution | 30.3 Megapixel | 12.1 Megapixel |
|---|---|---|
| Optical Sensor Type | CMOS | Exmor R CMOS |
| Total Pixels | 31,700,000 pixels | 12,900,000 pixels |
| Effective Sensor Resolution | 30,300,000 pixels | 12,100,000 pixels |
| Optical Sensor Size | Full Frame (36 x 24 mm) | Full Frame (35.6 x 23.8 mm) |
| Frame Rate (Max Resolution) | 30 fps | 120 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | EOS Integrated Cleaning System | 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 R | Sony Alpha7s III ILCE-7SM3 |
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| Image Processor | DIGIC 8 | BIONZ XR |
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| LENS | Canon EOS R | Sony Alpha7s III ILCE-7SM3 |
|---|
| Lens Mounting Type | Canon RF | Sony E-mount |
|---|
| FOCUSING | Canon EOS R | Sony Alpha7s III ILCE-7SM3 |
|---|
| Auto Focus | Dual Pixel CMOS AF | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 5655 | 759 |
| Auto Focus Features | Focus Peaking function | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | Face-priority AF, Subject-tracking AF, Eye detection AF, Zone AF, Touch and Drag AF | Flex Focus Point, Face-priority AF, Subject-tracking AF, Eye detection AF |
| Face Detection | Face Detection AF/AE | Face Recognition, face-priority AF function |
| VIEWFINDER | Canon EOS R | Sony Alpha7s III ILCE-7SM3 |
|---|
| Viewfinder Type | Electronic - OLED | Built-in - electronic |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | 0.5" | 0.64" |
| Viewfinder Resolution | 3,690,000 pixels | 9,437,184 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.76x | 0.9x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +3 |
| Field of View Crop Factor | 1.0 | - |
| Features | Viewfinder brightness control | - |
| EXPOSURE & WHITE BALANCE | Canon EOS R | Sony Alpha7s III ILCE-7SM3 |
|---|
| ISO (Max) | 102400 | 409600 |
|---|---|---|
| Native ISO | 100-40000 | - |
| Extended ISO (Max) | 51200 (H1), 102400 (H2) | 409600 |
| Extended ISO (Min) | 50 | 40 |
| Light Sensitivity | ISO 50, ISO 102400, ISO 51200, ISO 100-40000 | ISO 204800, ISO 409600, ISO 80-102400, ISO 40 |
| Exposure Metering | Evaluative, centre-weighted, partial (6.1%), spot (2.7%) | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 384 | 1200 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority, E-TTL II program flash | Bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | - | Dynamic Range Bracketing |
| Special Effects | Neutral, Custom Effect, Faithful, monochrome, landscape, portrait, Standard, Fine Detail | - |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Cloudy, tungsten light, Flash, daylight, shade, fluorescent light (white) | Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K |
| Shutter Type | Mechanical electronically-controlled | Mechanical electronically-controlled |
| Max Shutter Speed | 1/8000 sec | 1/8000 sec |
| Min Shutter Speed | 30 sec | 30 sec |
| Exposure Compensation | ±3 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 or 9 steps |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/200sec | 1/250sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Canon EOS R | Sony Alpha7s III ILCE-7SM3 |
|---|
| Type | 3.15" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 2,100,000 pixels | 1,440,000 pixels |
| Display Form Factor | Rotating | Folding |
| Display Features | Display brightness control, display colour control, anti-smudge coating | Display brightness control |
| VIDEOGRAPHY / CAMCORDER | Canon EOS R | Sony Alpha7s III ILCE-7SM3 |
|---|
| Digital Video Format | H.264 | H.264, XAVC S, H.265, XAVC HS |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, C-RAW | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 3840 x 2160 | 3840 x 2160 |
| Audio Signal Format | Linear PCM | AAC |
| Microphone Operation Mode | Stereo | Stereo |
| MEMORY | Canon EOS R | Sony Alpha7s III ILCE-7SM3 |
|---|
| Memory Card Slot | SD card | Dual SD card, dual CFexpress |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card | 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 Included | No | No |
| Image Storage | 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 |
JPEG 4240 x 2832 JPEG 2768 x 1848 JPEG 2128 x 1416 JPEG 1376 x 920 JPEG 3776 x 2832 JPEG 2464 x 1848 JPEG 1888 x 1416 JPEG 1232 x 920 JPEG 4240 x 2348 JPEG 2768 x 1550 JPEG 2128 x 1200 JPEG 1376 x 776 JPEG 2832 x 2832 JPEG 1840 x 1840 JPEG 1408 x 1408 JPEG 912 x 912 |
| Video Capture | 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 |
XAVC HS - 3840 x 2160 p - 120 fps XAVC HS - 3840 x 2160 p - 60 fps XAVC HS - 3840 x 2160 p - 100 fps - 200Mbps XAVC HS - 3840 x 2160 p - 50 fps XAVC HS - 3840 x 2160 p - 24 fps XAVC S - 3840 x 2160 p - 120 fps XAVC S - 3840 x 2160 p - 60 fps XAVC S - 3840 x 2160 p - 30 fps XAVC S - 3840 x 2160 p - 24 fps XAVC S - 3840 x 2160 p - 100 fps XAVC S - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 25 fps XAVC S HD - 1920 x 1080 p - 120 fps XAVC S HD - 1920 x 1080 p - 60 fps XAVC S HD - 1920 x 1080 p - 30 fps XAVC S HD - 1920 x 1080 p - 24 fps XAVC S HD - 1920 x 1080 p - 100 fps XAVC S HD - 1920 x 1080 p - 50 fps XAVC S HD - 1920 x 1080 p - 25 fps |
| BATTERY AND CHARGING | Canon EOS R | Sony Alpha7s III ILCE-7SM3 |
|---|
| Battery Type | Canon LP-E6N Lithium Ion | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Canon LP-E6N Li-ion rechargeable battery (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
| Battery Life | 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)) |
Photo shooting - 510 shots (EVF on) Photo shooting - 600 shots (LCD Monitor on) Video recording - 80 minutes (EVF on) Video recording - 135 minutes (LCD Monitor on) |
| CONNECTIONS | Canon EOS R | Sony Alpha7s III ILCE-7SM3 |
|---|
| Interface | HDMI, USB 3.1, IEEE 802.11b/g/n, Bluetooth 4.1 | HDMI, USB-C, Wireless LAN, NFC (Near Field Communication), Bluetooth 5.0 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless image printing | Remote control via mobile devices, Wireless Image Transfer, PC Remote functions via Wi-Fi |
| Print Standard | DPOF support, Exif Print support, PictBridge support | Exif Print support, PRINT Image Matching |
| Computer Connectivity | Mac, Windows | - |
| Flash Terminal | Hot shoe | Hot shoe |
| Connector Type | 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 |
USB (USB Type-C) HDMI output (19 pin HDMI Type A) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Canon EOS R | Sony Alpha7s III ILCE-7SM3 |
|---|
| Self-Timer Delay | 10 sec, 2sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| Continuous Shooting Speed | 8 frames per second, 3 frames per second, 5 frames per second, 2.2 frames per second | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second |
| Additional Features | 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 | Built-in speaker, digital image rotation, camera orientation detection, histogram display, shadow point display, interval shooting mode, highlight point display, Dynamic Range Optimizer, USB charging, built-in help guide, Chromatic Aberration Compensation (CAC), HDR image enhancement technology, Intelligent AUTO (iAUTO), fast motion recording, Lens Distortion Compensation (LDC), noise reduction over long exposures, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, slow motion recording, peripheral shading correction, anti-flicker, Hybrid Log-Gamma (HLG) recording |
| OTHERS | Canon EOS R | Sony Alpha7s III ILCE-7SM3 |
|---|
| Included Accessories | 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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