In depth comparison and review of Olympus OM-D E-M1 and Sony Alpha7R II ILCE-7RM2. 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-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Product Type | Digital camera - 1080p - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.35 cm | 9.57 cm |
| Width | 13.04 cm | 12.69 cm |
| Depth | 6.31 cm | 6.03 cm |
| Weight | 443 g | 582 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | Silver | Black | Black |
| Protection | Splashproof, freezeproof, dust-resistant | Dust-resistant, moisture-resistant |
| Digital Zoom | - | 4x |
| SENSOR | Olympus OM-D E-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Sensor Resolution | 16.3 Megapixel | 42.4 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | Exmor CMOS |
| Total Pixels | 16,800,000 pixels | 43,600,000 pixels |
| Effective Sensor Resolution | 16,300,000 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 |
| Sensor Features | - | 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-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Image Processor | TruePic VII | BIONZ X |
|---|
| LENS | Olympus OM-D E-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Lens Mounting Type | Micro Four Thirds | Sony E-mount |
|---|
| FOCUSING | Olympus OM-D E-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | - | 399 |
| Auto Focus Features | - | Focus Peaking function, Manual Focus Check Live View |
| AE/AF Control | Face-priority AF, Subject-tracking AF, Eye detection AF | Flex Focus Point, Face-priority AF, Subject-tracking AF, Eye detection AF |
| Face Detection | Yes | Face Recognition |
| VIEWFINDER | Olympus OM-D E-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Viewfinder Type | Built-in - electronic | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | 2,360,000 pixels | 2,359,296 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.48x | 0.78x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +3 |
| Field of View Crop Factor | 2 | - |
| Features | - | Viewfinder brightness control |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| ISO (Max) | 25600 | 102400 |
|---|---|---|
| Native ISO | - | 100-51200 |
| Light Sensitivity | ISO 200-25600, ISO auto (200-25600) | ISO 50, ISO 102400, ISO auto (100-6400), ISO 100-25600 |
| 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 | Programme, bulb, automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Art Filter bracketing, ISO sensitivity bracketing | Flash Exposure Bracketing |
| Shooting Programs | Landscape, portrait mode, macro, beach/snow, landscape-portrait, Children, fireworks, 3D image, panorama assist, night scene, sports mode, sunset, candle, high key, night scene with portrait, anti shake, low key, documents, nature macro, e-portrait, fisheye converter, wide converter, macro converter | Landscape, portrait mode, macro, night portrait, night scene, sports mode, sunset, handheld twilight, anti-motion blur |
| Special Effects | Black & White, Sepia, soft focus, Water Colour, Diorama, Cross Process, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Key Line, Star Light, Defocus, White Edge | Sepia, Neutral, Vivid, sunset, soft focus, illustration, landscape, portrait, Water Colour, miniature, clear, deep, light, autumn leaves, Retro, partial colour, Toy camera, Posterisation, High contrast monochrome, Pop Colour, HDR Painting, Rich-tone monochrome, Soft High-key, Night Scene |
| 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), 2500K - 9900K, fluorescent light (daylight white) |
| Shutter Type | - | Mechanical electronically-controlled |
| Max Shutter Speed | 1/8000 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 |
| White Balance Bracketing | - | Yes |
| X-sync Speed | - | 1/250sec |
| Exposure Range | EV 2-20 (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Olympus OM-D E-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | - |
| Display Format | 1,037,000 pixels | 1,228,800 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Contrast control, display brightness control, display colour control | Display brightness control |
| FLASH | Olympus OM-D E-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Camera Flash | Detachable flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 7 | - |
| 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, flash exposure bracketing | - |
| VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Digital Video Format | AVI, MJPEG, H.264, MOV | AVCHD, H.264, XAVC S |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, MPO | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Surround Sound | - | Dolby Digital AC-3 (2 channel) recording |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction, sensitivity control | - |
| MEMORY | Olympus OM-D E-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| 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 |
| Memory Card Included | No | No |
| Image Storage | RAW 4608 x 3456 - 17 MB JPEG 4608 x 3456 - 7.5 MB JPEG 4608 x 3456 - 3.5 MB JPEG 2560 x 1920 - 1.1 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 MJPEG - 1280 x 720 - 30 fps MJPEG - 640 x 480 - 30 fps |
AVCHD - 1920 x 1080 - 60 fps - 28Mbps AVCHD - 1920 x 1080 - 60 fps - 24Mbps AVCHD - 1920 x 1080 - 60 fps - 17Mbps AVCHD - 1920 x 1080 - 24 fps - 24Mbps AVCHD - 1920 x 1080 - 24 fps - 17Mbps AVCHD - 1920 x 1080 - 50 fps - 28Mbps AVCHD - 1920 x 1080 - 50 fps - 24Mbps AVCHD - 1920 x 1080 - 50 fps - 17Mbps AVCHD - 1920 x 1080 - 25 fps - 24Mbps AVCHD - 1920 x 1080 - 25 fps - 17Mbps XAVC S - 3840 x 2160 - 30 fps - 100Mbps XAVC S - 3840 x 2160 - 30 fps - 60Mbps XAVC S - 3840 x 2160 - 24 fps - 100Mbps XAVC S - 3840 x 2160 - 24 fps - 60Mbps XAVC S - 1920 x 1080 - 60 fps - 50Mbps XAVC S - 1920 x 1080 - 30 fps - 50Mbps XAVC S - 1920 x 1080 - 24 fps - 50Mbps XAVC S - 1280 x 720 - 120 fps - 50Mbps XAVC S - 3840 x 2160 - 25 fps - 100Mbps XAVC S - 3840 x 2160 - 25 fps - 60Mbps XAVC S - 1920 x 1080 - 50 fps - 50Mbps XAVC S - 1920 x 1080 - 25 fps - 50Mbps XAVC S - 1280 x 720 - 100 fps - 50Mbps H.264 - 1920 x 1080 - 60 fps - 28Mbps H.264 - 1920 x 1080 - 30 fps - 16Mbps H.264 - 1280 x 720 - 30 fps - 6Mbps H.264 - 1920 x 1080 - 50 fps - 28Mbps H.264 - 1920 x 1080 - 25 fps - 16Mbps H.264 - 1280 x 720 - 25 fps - 6Mbps |
| BATTERY AND CHARGING | Olympus OM-D E-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Battery Type | Olympus BLN-1 Lithium Ion | Sony NP-FW50 Lithium Ion |
|---|---|---|
| Details | Olympus BLN-1 Li-ion rechargeable battery (included) | Sony NP-FW50 Li-ion rechargeable battery - 1080 mAh (included) |
| Battery Life | Photo shooting - 250 shots | Photo shooting - 340 shots (LCD Monitor on) Photo shooting - 290 shots (EVF on) |
| CONNECTIONS | Olympus OM-D E-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0, Wireless LAN | HDMI, USB 2.0, IEEE 802.11b/g/n, NFC (Near Field Communication) |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | Remote control via mobile devices, 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 | Hot shoe |
| Connector Type | USB 2.0 Composite video/audio output HDMI output (19 pin micro HDMI Type D) Microphone Accessory port |
USB 2.0 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-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 10 frames per second, 6.5 frames per second | 2.5 frames per second, 5 frames per second |
| HDR Mode | - | Auto HDR mode |
| Additional Features | Audio recording, built-in speaker, RGB primary colour filter, auto power save, sharpness control, histogram display, AE lock, AF lock, cropping an image, resizing an image, saturation control, in-camera red-eye fix, interval shooting mode, face detection, Shadow Adjustment Technology, in-camera RAW processing, Full-time Live View, Intelligent AUTO (iAUTO), Eye-Fi Card Ready, Touch Shutter technology, GPS via mobile | Built-in speaker, RGB primary colour filter, sharpness control, AE lock, AF lock, saturation control, Sweep Panorama technology, contrast control, Dynamic Range Optimizer, USB charging, built-in help guide, peripheral illumination correction, Chromatic Aberration Compensation (CAC), x.v.Colour technology, Multi-Frame Noise Reduction, Intelligent AUTO (iAUTO), High ISO NR, Lens Distortion Compensation (LDC), no anti-aliasing filter, Superior Auto mode, Clear Image Zoom, noise reduction over long exposures, PlayMemories Camera Apps support, BRAVIA Sync function, PhotoTV HD, Auto Object Framing |
| OTHERS | Olympus OM-D E-M1 | Sony Alpha7R II ILCE-7RM2 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable | Battery charger, body cap, shoulder strap, AC power adaptor, shoe cap, micro-USB cable, cable protector |
|---|---|---|
| Software | Drivers & Utilities, Olympus Viewer 3 | Sony PlayMemories Home |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | 0 °C |
| Service & Support | - | Limited warranty - parts and labour - 1 year |
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