In depth comparison and review of Sony Alpha7R III ILCE-7RM3 and Olympus OM-D E-M5 Mark III. 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 | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
|---|
| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.56 cm | 8.52 cm |
| Width | 12.69 cm | 12.53 cm |
| Depth | 7.37 cm | 4.97 cm |
| Weight | 572 g | 366 g |
| Weight Details | Camera body only: 572 g Camera with battery and memory card: 675 g |
Camera body only: 366 g Camera with battery and memory card: 414 g |
| Body Material | Magnesium alloy | - |
| Enclosure Colour | Black | Black | Silver |
| Protection | Dust-resistant, moisture-resistant | Splashproof, freezeproof, dust-resistant |
| Digital Zoom | 4x | - |
| SENSOR | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
|---|
| Sensor Resolution | 42.4 Megapixel | 20.4 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | Live MOS |
| Total Pixels | 43,600,000 pixels | 21,800,000 pixels |
| Effective Sensor Resolution | 42,400,000 pixels | 20,400,000 pixels |
| Optical Sensor Size | Full Frame (35.9 x 24 mm) | Four Thirds (4/3") |
| Frame Rate (Max Resolution) | 30 fps | 24 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Dust Reduction (image sensor vibration), Anti-Dust coating | Supersonic Wave Filter (SWF) |
| 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 | Digital level metre |
| PROCESSOR | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
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| Image Processor | BIONZ X | TruePic VIII |
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| LENS | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
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| Lens Mounting Type | Sony E-mount | Micro Four Thirds |
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| FOCUSING | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 399 | 121 |
| Auto Focus Features | Focus Peaking function, Predictive Focus Control | Focus Peaking function, Manual Focus Check Live View |
| AE/AF Control | Flex Focus Point, Eye detection AF, Zone AF | Subject-tracking AF, Eye detection AF |
| Face Detection | Eye Detect AF, face-priority AF function | Eye Detect AF |
| VIEWFINDER | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
|---|
| Viewfinder Type | Electronic - OLED | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | 0.5" | - |
| Viewfinder Resolution | 3,686,400 pixels | 2,360,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.78x | 1.37x |
| Optical Viewfinder Dioptric Correction Range | -4 to +3 | -4 to +2 |
| Field of View Crop Factor | - | 2 |
| Features | Viewfinder brightness control, colour temperature control | - |
| EXPOSURE & WHITE BALANCE | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
|---|
| ISO (Max) | 102400 | 25600 |
|---|---|---|
| Native ISO | - | 200-25600 |
| Extended ISO (Min) | - | 64 |
| Light Sensitivity | ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 | ISO 100, ISO 64, ISO auto, ISO 200-25600 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 1200 | 324 |
| Exposure Modes | Bulb, automatic, manual, aperture-priority, shutter-priority | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Dynamic Range Bracketing, white balance bracketing | Art Filter bracketing, ISO sensitivity bracketing, Flash Exposure 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) | Soft focus, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Bleach Bypass, Key Line, Vintage, Nostalgia, Neo Nostalgia |
| 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) | Fluorescent, sunlight, tungsten light, Flash, shade, overcast, Underwater, 2000K - 14000K |
| Shutter Type | - | Mechanical, electronic |
| Max Shutter Speed | 1/8000 sec | 1/32000 sec |
| Min Shutter Speed | 30 sec | 60 sec |
| Exposure Compensation | ±5 EV range, in 1/2 or 1/3 EV steps | ±5 EV range, in 1, 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 | Yes |
| X-sync Speed | 1/250sec | - |
| Exposure Range | EV -3-20 (ISO 100) | EV -2-20 (ISO 100) |
| DISPLAY | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,440,000 pixels | 1,040,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Display brightness control, Peaking AF display, Touch AF | Display brightness control, display colour control, Touch AF |
| FLASH | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
|---|
| Camera Flash | - | Detachable flash |
|---|---|---|
| Guide Number (m / ISO 100) | - | 12.9 |
| Flash Modes | - | Fill-in mode, rear curtain sync, slow synchro, auto mode, flash OFF mode, red-eye reduction |
| Red-Eye Reduction | - | Yes |
| Features | AF illuminator | AF illuminator, flash +/- compensation, wireless off-camera control, flash exposure bracketing |
| External Flash Name | - | Olympus FL-LM3 |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
|---|
| Digital Video Format | AVCHD, XAVC S | H.264, MOV |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG, MPO |
| Max Video Resolution | 3840 x 2160 | 4096 x 2160 |
| Audio Signal Format | Dolby Digital AC-3 (2 channel), Linear PCM | Linear PCM |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | - | Wind noise reduction, sensitivity control |
| MEMORY | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
|---|
| 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-I Memory Card, SDXC UHS-I 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 5184 x 3888 JPEG 5184 x 3888 JPEG 1024 x 768 |
| 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 |
MOV - 1920 x 1080 p - 30 fps MOV - 1920 x 1080 p - 25 fps MOV - 1920 x 1080 p - 24 fps MOV - 1920 x 1080 p - 60 fps MOV - 1920 x 1080 p - 50 fps MOV - 1280 x 720 p - 60 fps MOV - 1280 x 720 p - 50 fps MOV - 1280 x 720 p - 30 fps MOV - 1280 x 720 p - 25 fps MOV - 1280 x 720 p - 24 fps MOV - 4096 x 2160 p - 30 fps MOV - 3840 x 2160 p - 30 fps MOV - 3840 x 2160 p - 25 fps MOV - 3840 x 2160 p - 24 fps |
| BATTERY AND CHARGING | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
|---|
| Battery Type | Sony NP-FZ100 Lithium Ion | Olympus BLS-50 Lithium Ion |
|---|---|---|
| Details | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) | Olympus BLS-50 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 - 310 shots |
| CONNECTIONS | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
|---|
| Interface | HDMI, USB 2.0, USB-C, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 | HDMI, USB 2.0, IEEE 802.11a/b/g/n, Bluetooth 4.2 |
|---|---|---|
| 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 |
| 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 2.0 (5 pin Micro-USB Type B) HDMI output (19 pin micro HDMI Type D) Microphone (mini-phone stereo 3.5 mm) Remote control (sub-mini phone 2.5 mm) |
| FEATURES | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
|---|
| Self-Timer Delay | 10 sec, 2sec, 5 sec | 2sec, 12sec |
|---|---|---|
| Continuous Shooting Speed | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second | 10 frames per second, 30 frames per second, 6 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 | Auto power save, AE lock, AF lock, interval shooting mode, USB charging, high-speed recording, Touch Shutter technology, Focus Stacking, 50-megapixel High Resolution mode |
| OTHERS | Sony Alpha7R III ILCE-7RM3 | Olympus OM-D E-M5 Mark III |
|---|
| Included Accessories | Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable | Battery charger, body cap, shoulder strap, USB cable |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
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