In depth comparison and review of Sony Alpha7R IV ILCE-7RM4 and Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R. 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 IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | M.Zuiko Digital 14-42mm II R lens |
| Height | 9.64 cm | 8.36 cm |
| Width | 12.89 cm | 12.15 cm |
| Depth | 7.75 cm | 4.95 cm |
| Weight | 665 g | 362 g |
| Weight Details | Camera body only: Camera with battery and memory card: 665 g |
Camera body only: 362 g Camera with battery and memory card: 411 g |
| Enclosure Colour | Black | Silver |
| Optical Zoom | - | 3x |
| SENSOR | Sony Alpha7R IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Sensor Resolution | 61 Megapixel | 16.1 Megapixel |
|---|---|---|
| Optical Sensor Type | Exmor R CMOS | Live MOS |
| Total Pixels | 62,500,000 pixels | 17,200,000 pixels |
| Effective Sensor Resolution | 61,000,000 pixels | 16,100,000 pixels |
| Optical Sensor Size | Full Frame (35.7 x 23.8 mm) | Four Thirds (4/3") |
| Frame Rate (Max Resolution) | 30 fps | 30 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 IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Image Processor | BIONZ X | TruePic VIII |
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| LENS | Sony Alpha7R IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Type | - | Zoom lens - 3x zoom - 14 - 42 mm - f/3.5-5.6 Micro Four Thirds |
|---|---|---|
| Focal Length Equivalent to 35mm Camera | - | 28 - 84mm |
| Focus Adjustment | - | Automatic, manual |
| Min Focus Distance | - | 25 cm |
| Max View Angle | - | 75 degree(s) |
| Zoom Adjustment | - | Manual (by ring) |
| Lens Construction | - | 7 groups / 8 elements |
| Filter Size | - | 37 mm |
| Lens Mounting Type | Sony E-mount | Micro Four Thirds |
| Features | - | Aspherical lens, MSC technology |
| FOCUSING | Sony Alpha7R IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Auto Focus | TTL contrast and phase detection | TTL contrast detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 567 | 121 |
| Auto Focus Features | Predictive Focus Control, Focus Priority in Aperture Drive | Focus Peaking function |
| AE/AF Control | Zone AF, Real-time Eye AF, Real-time Tracking AF | Face-priority AF, Subject-tracking AF, Touch Area AF, Eye detection AF |
| Face Detection | Eye Detect AF, face-priority AF function | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Sony Alpha7R IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Viewfinder Type | Electronic - OLED | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | 0.5" | - |
| Viewfinder Resolution | 5,760,000 pixels | 2,360,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 0.78x | 1.23x |
| 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 IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| ISO (Max) | 32000 | 25600 |
|---|---|---|
| Native ISO | 100-32000 | 100-6400 |
| Extended ISO (Max) | 102400 | 25600 |
| Extended ISO (Min) | 50 | - |
| Light Sensitivity | ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 | ISO 100-25600, ISO auto (100-25600) |
| Exposure Metering | Multi-segment, centre-weighted, spot, average | 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, focus 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, Instant Film |
| 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, 2000K - 14000K |
| Shutter Type | Electronic, mechanical electronically-controlled | Mechanical, electronic |
| Max Shutter Speed | 1/8000 sec | 1/16000 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 1/3 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 | 1/250sec, 1/4000 sec |
| Exposure Range | EV -3-20 (ISO 100) | EV -2-20 (ISO 100) |
| DISPLAY | Sony Alpha7R IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| 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 | Colour control, display brightness control |
| FLASH | Sony Alpha7R IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Camera Flash | - | Pop-up flash |
|---|---|---|
| Guide Number (m / ISO 100) | - | 5.8 |
| 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, wireless off-camera control |
| VIDEOGRAPHY / CAMCORDER | Sony Alpha7R IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| 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 | 3840 x 2160 |
| Audio Signal Format | Dolby Digital AC-3 (2 channel), Linear PCM | PCM |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | - | Wind noise reduction, sensitivity control |
| MEMORY | Sony Alpha7R IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Memory Card Slot | Dual SD 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, 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 | - | 16 GB SDHC |
| Memory Card Included | No | Yes |
| Image Storage | 9504 x 6336 8448 x 6336 9504 x 5344 6240 x 4160 5552 x 4160 6240 x 3512 4752 x 3168 4224 x 3168 4752 x 2672 3120 x 2080 2768 x 2080 3120 x 1752 6336 x 6336 4160 x 4160 3168 x 3168 2080 x 2080 |
RAW 4608 x 3456 JPEG 4608 x 3456 JPEG 1280 x 720 |
| 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 - 120 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 - 3840 x 2160 p - 30 fps MOV - 3840 x 2160 p - 25 fps MOV - 3840 x 2160 p - 24 fps MOV - 1920 x 1080 p - 60 fps MOV - 1920 x 1080 p - 50 fps MOV - 1920 x 1080 p - 30 fps MOV - 1280 x 720 p - 60 fps MOV - 1280 x 720 p - 50 fps MOV - 1920 x 1080 p - 25 fps MOV - 1920 x 1080 p - 24 fps MOV - 1280 x 720 p - 30 fps MOV - 1280 x 720 p - 25 fps MOV - 1280 x 720 p - 24 fps |
| BATTERY AND CHARGING | Sony Alpha7R IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| 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 - 670 shots (LCD Monitor on) Photo shooting - 530 shots (EVF on) Video recording - 170 minutes (LCD Monitor on) Video recording - 160 minutes (EVF on) |
Photo shooting - 330 shots (Live View mode) Video recording - 140 minutes |
| CONNECTIONS | Sony Alpha7R IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Interface | HDMI, USB 2.0, USB-C, NFC (Near Field Communication), IEEE 802.11a/b/g/n/ac, Bluetooth 4.1 | HDMI, USB 2.0, IEEE 802.11b/g/n |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view, PC Remote functions via Wi-Fi | Remote control via mobile devices, remote live view, QR code scanning |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | Direct print, DPOF support, Exif Print support, PictBridge support |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe |
| Connector Type | USB 2.0 (5 pin Micro-USB Type B) USB 3.2 Gen 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 (micro-USB) HDMI output (19 pin micro HDMI Type D) |
| FEATURES | Sony Alpha7R IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| 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 | 8.6 frames per second, 4.8 frames per second |
| HDR Mode | HDR Movie mode | Auto HDR 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, x.v.Colour technology, Clear Image Zoom, noise reduction over long exposures, Lens Distortion Correction, high ISO speed noise reduction, silent shooting, 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, PC Remote functions via USB | Built-in speaker, RGB primary colour filter, auto power save, histogram display, AE lock, AF lock, shadow point display, interval shooting mode, highlight point display, in-camera RAW processing, high-speed recording, Dual Axis Electronic Level, silent shooting, GPS via mobile |
| OTHERS | Sony Alpha7R IV ILCE-7RM4 | Olympus OM-D E-M10 Mark IIIS + M.Zuiko Digital 14-42mm II R |
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| Included Accessories | Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable | Battery charger, dust cap, body cap, lens cap, shoulder strap, USB cable, carrying bag |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | -10 °C |
| Service & Support | Limited warranty - parts and labour - 1 year | Limited warranty - 2 years |
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