In depth comparison and review of Olympus OM-D E-M10 and Sony Alpha7R III ILCE-7RM3. 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 | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
|---|
| Product Type | Digital camera - 1080p - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 8.23 cm | 9.56 cm |
| Width | 11.91 cm | 12.69 cm |
| Depth | 4.59 cm | 7.37 cm |
| Weight | 350 g | 572 g |
| Weight Details | - | Camera body only: 572 g Camera with battery and memory card: 675 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | Black | Silver | Black |
| Protection | - | Dust-resistant, moisture-resistant |
| Digital Zoom | - | 4x |
| SENSOR | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
|---|
| Sensor Resolution | 16.1 Megapixel | 42.4 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | Exmor R CMOS |
| Total Pixels | 17,200,000 pixels | 43,600,000 pixels |
| Effective Sensor Resolution | 16,100,000 pixels | 42,400,000 pixels |
| Optical Sensor Size | Four Thirds (4/3") | Full Frame (35.9 x 24 mm) |
| Frame Rate (Max Resolution) | - | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Supersonic Wave Filter (SWF) | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Optical (5-axis Steady Shot) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
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| Image Processor | TruePic VII | BIONZ X |
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| LENS | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
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| Lens Mounting Type | Micro Four Thirds | Sony E-mount |
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| FOCUSING | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
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| Auto Focus | TTL contrast detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 81 | 399 |
| Auto Focus Features | - | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | Subject-tracking AF, Eye detection AF | Flex Focus Point, Eye detection AF, Zone AF |
| Face Detection | Eye Detect AF | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
|---|
| Viewfinder Type | Built-in - electronic | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | 1,440,000 pixels | 3,686,400 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.15x | 0.78x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +3 |
| Viewfinder Information | Shutter speed, exposure compensation, AF-in-focus, aperture, white balance, metering system, Exposure Mode, image stabilizer, battery status, AF lock, AF point, electronic level | - |
| Field of View Crop Factor | 2 | - |
| Features | Viewfinder brightness control, auto eye sensor, colour temperature control | Viewfinder brightness control, colour temperature control |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
|---|
| ISO (Max) | 25600 | 102400 |
|---|---|---|
| Light Sensitivity | ISO auto, ISO 100-25600 | ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 |
| Exposure Metering | Multi-segment, centre-weighted, spot | Multi-segment, centre-weighted, spot |
| Exposure Metering Zones | 324 | 1200 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Art Filter bracketing, Dynamic Range Bracketing, ISO sensitivity bracketing | Dynamic Range Bracketing, white balance bracketing |
| Shooting Programs | Landscape, portrait mode, macro, beach/snow, night portrait, landscape-portrait, Children, fireworks, 3D image, panorama assist, night scene, Underwater, sports mode, sunset, candle, high key, low key, documents, nature macro, e-portrait, fisheye converter, wide converter, macro converter, handheld starlight, digital IS | - |
| Special Effects | Sepia, Monotone, Black & White Red filter, Black & White Yellow filter, Vivid, purple, blue, green, Frames, Black & White Orange filter, soft focus, natural, monochrome, Black & White Green filter, Muted, portrait, Water Colour, Diorama, Cross Process, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, i-Enhance, Dramatic Tone, Image Overlay, Key Line, Star Light, White Edge | 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, fluorescent, cloudy, sunlight, Flash, shade, Underwater, 2000K - 14000K | Incandescent, cloudy, Flash, daylight, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 9900K, fluorescent light (daylight white) |
| Max Shutter Speed | 1/4000 sec | 1/8000 sec |
| Min Shutter Speed | 60 sec | 30 sec |
| Exposure Compensation | ±5 EV range, in 1, 1/2 or 1/3 EV steps | ±5 EV range, in 1/2 or 1/3 EV steps |
| Auto Exposure Bracketing | 7 steps in 1/3, 2/3 or 1 EV steps | 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 | 1/250sec |
| Exposure Range | EV -2-20 | EV -3-20 (ISO 100) |
| DISPLAY | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,037,000 pixels | 1,440,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Contrast control | Display brightness control, Peaking AF display, Touch AF |
| FLASH | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
|---|
| Camera Flash | Pop-up flash | - |
|---|---|---|
| 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, flash +/- compensation, wireless off-camera control | AF illuminator |
| VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
|---|
| Digital Video Format | AVI, MJPEG, H.264, MOV | AVCHD, XAVC S |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, MPO | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Audio Signal Format | - | Dolby Digital AC-3 (2 channel), Linear PCM |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction, sensitivity control | - |
| MEMORY | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
|---|
| Memory Card Slot | SD card | Memory Stick PRO Duo card, SD card |
|---|---|---|
| Supported Memory Cards | SD Memory Card, SDXC Memory Card, SDHC Memory Card, SDHC UHS-I Memory Card, SDXC UHS-I Memory Card | 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 |
| Memory Card Included | - | No |
| Image Storage | RAW 4608 x 3456 - 17 MB JPEG 4608 x 3456 - 7.5 MB JPEG 4608 x 3456 - 3.5 MB JPEG 3200 x 2400 - 1.7 MB JPEG 1280 x 960 - 0.4 MB |
7952 x 5304 7952 x 4472 5168 x 3448 5168 x 2912 3984 x 2656 3984 x 2240 2592 x 1728 2592 x 1456 |
| Video Capture | MOV - 1920 x 1080 - 30 fps - 24Mbps MOV - 1920 x 1080 - 30 fps - 16Mbps MOV - 1280 x 720 - 30 fps - 12Mbps MOV - 1280 x 720 - 30 fps - 8Mbps AVI - 1280 x 720 - 30 fps AVI - 640 x 480 - 30 fps - 16Mbps |
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 |
| BATTERY AND CHARGING | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
|---|
| Battery Type | Olympus BLS-5 Lithium Ion | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Olympus BLS-5 Li-ion rechargeable battery (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
| Battery Life | Photo shooting - 320 shots | 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) |
| CONNECTIONS | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0, IEEE 802.11b/g/n | HDMI, USB 2.0, USB-C, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | Remote live view |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | DPOF support, Exif Print support, PRINT Image Matching |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe, PC terminal |
| Connector Type | USB 2.0 Composite video/audio output HDMI output |
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) |
| FEATURES | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| Continuous Shooting Speed | 8 frames per second, 3.5 frames per second | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second |
| HDR Mode | - | HDR Movie mode |
| Additional Features | Built-in speaker, RGB primary colour filter, auto power save, sharpness control, camera orientation detection, histogram display, cropping an image, resizing an image, saturation control, in-camera red-eye fix, shadow point display, interval shooting mode, highlight point display, takes photos while film recording, built-in help guide, Shadow Adjustment Technology, in-camera RAW processing, HDR image enhancement technology, Intelligent AUTO (iAUTO), Dual Axis Electronic Level, GPS via mobile | 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 |
| OTHERS | Olympus OM-D E-M10 | Sony Alpha7R III ILCE-7RM3 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable | Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable |
|---|---|---|
| Software | Olympus Viewer 3 | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
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