Detailed comparison and review of Sony Alpha7R III ILCE-7RM3 and Sony Alpha1 ILCE-1. 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 | Sony Alpha1 ILCE-1 |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 8K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.56 cm | 9.69 cm |
| Width | 12.69 cm | 12.89 cm |
| Depth | 7.37 cm | 8.08 cm |
| Weight | 572 g | 652 g |
| Weight Details | Camera body only: 572 g Camera with battery and memory card: 675 g |
Camera body only: 652 g Camera with battery and memory card: 737 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | Black | Black |
| Protection | Dust-resistant, moisture-resistant | - |
| Digital Zoom | 4x | - |
| SENSOR | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
|---|
| Sensor Resolution | 42.4 Megapixel | 50.1 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | Exmor RS CMOS |
| Total Pixels | 43,600,000 pixels | 50,500,000 pixels |
| Effective Sensor Resolution | 42,400,000 pixels | 50,100,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 24 mm) | Full Frame (35.9 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 | Dust Reduction (image sensor vibration), Anti-Dust coating, APS-C compatible mode |
| Image Stabiliser | Optical (5-axis Steady Shot) | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | Digital level metre | - |
| PROCESSOR | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
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| Image Processor | BIONZ X | BIONZ XR |
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| LENS | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
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| Lens Mounting Type | Sony E-mount | Sony E-mount |
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| FOCUSING | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
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| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 399 | 759 |
| Auto Focus Features | Focus Peaking function, Predictive Focus Control | Focus Peaking function |
| AE/AF Control | Flex Focus Point, Eye detection AF, Zone AF | Subject-tracking AF, Eye detection AF, Predictive AI Servo AF, Zone AF |
| Face Detection | Eye Detect AF, face-priority AF function | Eye Detect AF, Pet Detection |
| VIEWFINDER | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
|---|
| Viewfinder Type | Electronic - OLED | Built-in - electronic |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | 0.5" | 0.64" |
| Viewfinder Resolution | 3,686,400 pixels | 9,437,184 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.78x | 0.9x |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -4 to +3 |
| Field of View Crop Factor | - | 1.0 |
| Features | Viewfinder brightness control, colour temperature control | - |
| EXPOSURE & WHITE BALANCE | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
|---|
| ISO (Max) | 102400 | 102400 |
|---|---|---|
| Extended ISO (Max) | - | 102400 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 | ISO 50, ISO auto, ISO 102400, ISO 100-32000 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot, average, highlight-weighted |
| Exposure Metering Zones | 1200 | 1200 |
| Exposure Modes | Bulb, automatic, manual, aperture-priority, shutter-priority | Bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Dynamic Range Bracketing, white balance bracketing | 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) | Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K |
| Shutter Type | - | Electronic, mechanical electronically-controlled |
| Max Shutter Speed | 1/8000 sec | 1/32000 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 | - |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/250sec | 1/200sec, 1/500 sec, 1/400 sec, 1/250sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,440,000 pixels | 1,440,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Display brightness control, Peaking AF display, Touch AF | Display brightness control |
| FLASH | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
|---|
| Features | AF illuminator | - |
|---|
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
|---|
| Digital Video Format | AVCHD, XAVC S | H.264, XAVC S, H.265, XAVC HS |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, MPF, HEIF |
| Max Video Resolution | 3840 x 2160 | 7680 x 4320 |
| Audio Signal Format | Dolby Digital AC-3 (2 channel), Linear PCM | Linear PCM, AAC |
| Microphone Operation Mode | Stereo | Stereo |
| MEMORY | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
|---|
| Memory Card Slot | Memory Stick PRO Duo card, SD card | Dual CFexpress / 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-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 | 7952 x 5304 7952 x 4472 5168 x 3448 5168 x 2912 3984 x 2656 3984 x 2240 2592 x 1728 2592 x 1456 |
8640 x 5760 5616 x 3744 4320 x 2880 5616 x 3744 - APS-C mode 4320 x 2880 - APS-C mode 7680 x 5760 4992 x 3744 3840 x 2880 4992 x 3744 - APS-C mode 3840 x 2880 - APS-C mode 8760 x 4864 5616 x 3160 4320 x 2432 5616 x 3160 - APS-C mode 4320 x 2432 - APS-C mode 5760 x 5760 3744 x 3744 2880 x 2880 3744 x 3744 - APS-C mode 2880 x 2880 - APS-C mode |
| 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 |
XAVC HS - 7680 x 4320 p - 30 fps - 400Mbps XAVC HS - 7680 x 4320 p - 24 fps - 400Mbps XAVC HS - 7680 x 4320 p - 25 fps - 400Mbps XAVC HS - 3840 x 2160 p - 24 - 120 fps XAVC S - 3840 x 2160 p - 24 - 120 fps XAVC S - 1920 x 1080 p - 24 - 120 fps |
| BATTERY AND CHARGING | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
|---|
| Battery Type | Sony NP-FZ100 Lithium Ion | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (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 - 430 shots (LCD Monitor on) Photo shooting - 530 shots (EVF on) Video recording - 150 minutes (LCD Monitor on) Video recording - 145 minutes (EVF on) |
| CONNECTIONS | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
|---|
| Interface | HDMI, USB 2.0, USB-C, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 | HDMI, USB-C, NFC (Near Field Communication), IEEE 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Connectivity Features | Remote live view | Remote control via mobile devices, remote live view |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | Exif Print support, PRINT Image Matching |
| 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) |
HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) Network (RJ-45) USB / AV output (micro-USB) USB (USB Type-C) |
| FEATURES | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
|---|
| Self-Timer Delay | 10 sec, 2sec, 5 sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| 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, 30 frames per second, 6 frames per second, 15 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 | Built-in speaker, RGB primary colour filter, AE lock, AF lock, interval shooting mode, Dynamic Range Optimizer, USB charging, Chromatic Aberration Compensation (CAC), Intelligent AUTO (iAUTO), Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, PhotoTV HD, GPS via mobile, peripheral shading correction, Flickering Reduction function |
| OTHERS | Sony Alpha7R III ILCE-7RM3 | Sony Alpha1 ILCE-1 |
|---|
| Included Accessories | Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable | Battery charger, body cap, shoulder strap, eyecup, shoe cap, cable protector, USB-C to USB-A cable |
|---|---|---|
| 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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