In depth comparison and review of Olympus PEN E-PL8 and Sony Alpha7 IV ILCE-7M4. 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 PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Product Type | Digital camera - 1080p - mirrorless system | Digital camera - 4K - mirrorless system |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 6.83 cm | 9.64 cm |
| Width | 11.71 cm | 13.13 cm |
| Depth | 3.84 cm | 7.98 cm |
| Weight | 326 g | 658 g |
| Weight Details | Camera body only: 326 g Camera with battery and memory card: 374 g Camera with battery, memory card and M.Zuiko 14-42mm II R lens: 491 g |
Camera with battery and memory card: 658 g |
| Body Material | - | Magnesium alloy |
| Enclosure Colour | Black | White | - |
| Protection | - | Dust-resistant, moisture-resistant |
| Digital Zoom | - | 4x |
| SENSOR | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Sensor Resolution | 16.1 Megapixel | 33.0 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | Exmor R CMOS |
| Total Pixels | 17,200,000 pixels | 34,100,000 pixels |
| Effective Sensor Resolution | 16,100,000 pixels | 33,000,000 pixels |
| Optical Sensor Size | Four Thirds (17.3 x 13.0 mm) | Full Frame (35.9 x 23.9 mm) |
| Frame Rate (Max Resolution) | 30 fps | 60 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Supersonic Wave Filter (SWF) | Dust Reduction (image sensor vibration), Anti-Dust coating |
| Image Stabiliser | Optical (3-axis image sensor shift mechanism) | Optical (Steady Shot with 5-axis Intelligent Active Mode) |
| Built-in Optical Image Stabiliser | Yes | Yes |
| Sensors | - | Digital level metre |
| PROCESSOR | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Image Processor | TruePic VII | BIONZ XR |
|---|
| LENS | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Lens Mounting Type | Micro Four Thirds | Sony E-mount |
|---|
| FOCUSING | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Auto Focus | TTL contrast detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 800 | 759 |
| Auto Focus Features | - | Focus Peaking function, Predictive Focus Control |
| AE/AF Control | Face-priority AF, Subject-tracking AF, Touch Area AF, Eye detection AF | Face-priority AF, Subject-tracking AF, Touch Area AF, Zone AF, Real-time Eye AF, Real-time Tracking AF, Wide-area AF, Expanded area AF, animal eye detection, bird eye detection, right/left eye select |
| Face Detection | Eye Detect AF | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Viewfinder Type | - | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | - | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | - | 3,686,400 pixels |
| Optical Viewfinder Field Coverage | - | 100% |
| Optical Viewfinder Magnification | - | 0.78x |
| Optical Viewfinder Dioptric Correction Range | - | -4 to +3 |
| EXPOSURE & WHITE BALANCE | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| ISO (Max) | 25600 | 204800 |
|---|---|---|
| Native ISO | 100-25600 | 100-51200 |
| Extended ISO (Max) | - | 204800 |
| Extended ISO (Min) | - | 50 |
| Light Sensitivity | ISO 100-25600, ISO auto (100-25600) | ISO 50, ISO auto, ISO 204800, ISO 100-51200 |
| Exposure Metering | Multi-segment, centre-weighted, spot, highlight spot, shadow spot | Multi-segment, centre-weighted, average, highlight spot |
| Exposure Metering Zones | 324 | 1200 |
| Exposure Modes | Programme, bulb, automatic, manual, aperture-priority, shutter-priority | Automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Art Filter bracketing, focus bracketing, ISO sensitivity bracketing, white balance bracketing | Dynamic Range Bracketing, white balance bracketing |
| Special Effects | Sepia, Monotone, Neutral, Vivid, Custom Effect, soft focus, natural, Muted, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Key Line, Vintage | Soft Skin, Creative Look presets |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Incandescent, fluorescent, cloudy, sunlight, Flash, shade, Underwater, 2000K - 14000K | Incandescent, fluorescent, cloudy, Flash, daylight, shade, Underwater, 2500K - 9900K |
| Shutter Type | Electronic | Mechanical electronically-controlled |
| 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 or 2/3 EV steps | 3, 5 or 9 steps |
| White Balance Bracketing | Yes | - |
| X-sync Speed | 1/125sec, 1/4000 sec | 1/250sec |
| Exposure Range | EV -2-20 - wide lens (ISO 100) | EV -3-20 (ISO 100) |
| DISPLAY | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Type | 3" LCD display | 3" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,037,000 pixels | 1,036,000 pixels |
| Display Form Factor | Folding | Folding |
| Display Features | Display brightness control, display colour control | Display brightness control |
| FLASH | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Camera Flash | Detachable flash | - |
|---|---|---|
| Guide Number (m / ISO 100) | 10 | - |
| 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 | - |
| External Flash Name | Olympus FL-LM1 | - |
| VIDEOGRAPHY / CAMCORDER | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Digital Video Format | AVI, MJPEG, H.264, MOV | MPEG-4, H.264, XAVC S, H.265, XAVC HS |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG, MPO | JPEG, RAW, RAW + JPEG, HEIF, RAW + HEIF |
| Max Video Resolution | 1920 x 1080 | 3840 x 2160 |
| Audio Signal Format | - | Linear PCM, AAC |
| Microphone Operation Mode | Stereo | Stereo |
| Microphone Features | Wind noise reduction, sensitivity control | Wind noise reduction |
| MEMORY | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Memory Card Slot | SD card | SD card, CFexpress / 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, 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 | - |
| 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 JPEG 1280 x 960 - 0.4 MB |
7008 x 4672 4608 x 3072 3504 x 2336 4608 x 3072 - APS-C mode 3504 x 2336 - APS-C mode 6224 x 4672 4096 x 3072 3120 x 2336 4096 x 3072 - APS-C mode 3120 x 2336 - APS-C mode 7008 x 3944 4608 x 2592 3504 x 1968 4608 x 2592 - APS-C mode 3504 x 1968 - APS-C mode 4672 x 4672 3072 x 3072 2336 x 2336 3072 x 3072 - APS-C mode 2336 x 2336 - APS-C mode |
| Video Capture | MOV - 1920 x 1080 p - 30 fps - 24Mbps MOV - 1920 x 1080 p - 30 fps - 16Mbps MOV - 1280 x 720 p - 30 fps - 12Mbps MOV - 1280 x 720 p - 30 fps - 8Mbps MJPEG - 1280 x 720 - 30 fps MJPEG - 640 x 480 - 30 fps |
XAVC HS - 3840 x 2160 p - 60 fps XAVC HS - 3840 x 2160 p - 24 fps XAVC HS - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 60 fps XAVC S - 3840 x 2160 p - 30 fps XAVC S - 3840 x 2160 p - 24 fps XAVC S - 3840 x 2160 p - 50 fps XAVC S - 3840 x 2160 p - 25 fps XAVC S - 1920 x 1080 p - 60 fps XAVC S - 1920 x 1080 p - 30 fps XAVC S - 1920 x 1080 p - 24 fps XAVC S - 1920 x 1080 p - 50 fps XAVC S - 1920 x 1080 p - 25 fps |
| BATTERY AND CHARGING | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Battery Type | Olympus BLS-50 Lithium Ion | Sony NP-FZ100 Lithium Ion |
|---|---|---|
| Details | Olympus BLS-50 Li-ion rechargeable battery (included) | Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) |
| Battery Life | Photo shooting - 350 shots Video recording - 2.5 hours |
Photo shooting - 520 shots (EVF on) Photo shooting - 580 shots (LCD Monitor on) Video recording - 100 minutes (EVF on) Video recording - 110 minutes (LCD Monitor on) |
| CONNECTIONS | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Interface | Composite video/audio, HDMI, USB 2.0, IEEE 802.11b/g/n | USB 2.0, USB-C, IEEE 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | Remote control via mobile devices, remote live view, Wireless Image Transfer, wireless video upload to FTP server, PC Remote functions via Wi-Fi |
| Print Standard | DPOF support, Exif Print support, PRINT Image Matching | 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) |
USB 2.0 (5 pin Micro-USB Type B) USB 3.2 Gen 1 (USB Type-C) Microphone (mini-phone stereo 3.5 mm) Headphones (mini-phone stereo 3.5 mm) |
| FEATURES | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec, 5 sec |
|---|---|---|
| Continuous Shooting Speed | 3.7 frames per second, 8.5 frames per second, 7.4 frames per second | 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second |
| HDR Mode | Auto HDR mode, HDR post-processing | - |
| Additional Features | Audio recording, built-in speaker, auto power save, digital image rotation, camera orientation detection, histogram display, shadow point display, highlight point display, in-camera RAW processing, Full-time Live View, Intelligent AUTO (iAUTO), Eye-Fi Card Ready, Touch Shutter technology | Built-in speaker, camera orientation detection, histogram display, shadow point display, highlight point display, Dynamic Range Optimizer, USB charging, Intelligent AUTO (iAUTO), fast motion recording, noise reduction over long exposures, high ISO speed noise reduction, silent shooting, BRAVIA Sync function, distortion correction function, S-Log2 gamma setting, slow motion recording, peripheral shading correction, chromatic aberration correction, anti-flicker, Hybrid Log-Gamma (HLG) recording, S-Log3 gamma setting, 4:2:2 10-bit internal rercording, simultaneous streaming & recording mode, focus breathing compensation, USB streaming, 14-bit RAW |
| OTHERS | Olympus PEN E-PL8 | Sony Alpha7 IV ILCE-7M4 |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable | Eyepiece cover, body cap, shoulder strap, AC power adaptor, shoe cap, USB-C to USB-A cable |
|---|---|---|
| Software | Drivers & Utilities, Olympus Viewer 3 | - |
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | 0 °C | 0 °C |
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