In depth comparison and review of Olympus OM-D E-M1 Mark III and Fujifilm GFX 100S. 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 Mark III | Fujifilm GFX 100S |
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| Product Type | Digital camera - 4K - mirrorless system | Digital camera - 4K - mirrorless system with movie recording |
|---|---|---|
| Lens Included | Body only | Body only |
| Height | 9.09 cm | 10.42 cm |
| Width | 13.41 cm | 15 cm |
| Depth | 6.89 cm | 8.72 cm |
| Weight | 504 g | 821 g |
| Weight Details | Camera only: 504 g Camera with battery and memory card: 580 g |
Camera body only: 821 g Camera with battery and memory card: 900 g |
| Body Material | Magnesium alloy | Magnesium alloy |
| Enclosure Colour | Black | Black |
| Protection | Splashproof, freezeproof, dust-resistant | Weatherproof, freezeproof, dust-resistant |
| SENSOR | Olympus OM-D E-M1 Mark III | Fujifilm GFX 100S |
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| Sensor Resolution | 20.4 Megapixel | 102 Megapixel |
|---|---|---|
| Optical Sensor Type | Live MOS | CMOS |
| Total Pixels | 21,800,000 pixels | - |
| Effective Sensor Resolution | 20,400,000 pixels | 102,000,000 pixels |
| Optical Sensor Size | Four Thirds (4/3") | Medium Format (43.8 x 32.9 mm) |
| Frame Rate (Max Resolution) | 24 fps | 30 fps |
| Sensor Dust Reduction | Yes | Yes |
| Sensor Features | Supersonic Wave Filter (SWF) | Ultrasonic vibration |
| Image Stabiliser | Optical (5-axis image sensor shift mechanism) | Optical (5-axis image sensor shift mechanism) |
| Built-in Optical Image Stabiliser | Yes | - |
| Sensors | Digital level metre | - |
| PROCESSOR | Olympus OM-D E-M1 Mark III | Fujifilm GFX 100S |
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| Image Processor | TruePic IX | X-Processor 4 |
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| LENS | Olympus OM-D E-M1 Mark III | Fujifilm GFX 100S |
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| Lens Mounting Type | Micro Four Thirds | Fujifilm G Mount |
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| FOCUSING | Olympus OM-D E-M1 Mark III | Fujifilm GFX 100S |
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| Auto Focus | TTL contrast and phase detection | TTL contrast and phase detection |
|---|---|---|
| Auto Focus Points (Zones) Qty | 121 | - |
| Auto Focus Features | Focus Peaking function | - |
| AE/AF Control | Face-priority AF, Eye detection AF | Subject-tracking AF, Eye detection AF, Zone AF |
| Face Detection | Eye Detect AF, face-priority AF function | Eye Detect AF, face-priority AF function |
| VIEWFINDER | Olympus OM-D E-M1 Mark III | Fujifilm GFX 100S |
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| Viewfinder Type | Electronic - LCD | Electronic - OLED |
|---|---|---|
| Viewfinder Colour Support | Colour | Colour |
| Viewfinder Diagonal Size | - | 0.5" |
| Viewfinder Resolution | 2,360,000 pixels | 3,690,000 pixels |
| Optical Viewfinder Field Coverage | 100% | 100% |
| Optical Viewfinder Magnification | 1.48x | 0.77x |
| Optical Viewfinder Dioptric Correction Range | -4 to +2 | -4 to +2 |
| Viewfinder Information | Shutter speed, exposure compensation, AF-in-focus, aperture, white balance, Exposure Mode, image stabilizer, battery status, AF lock, electronic level, area AF frame, metering mode | - |
| Field of View Crop Factor | 2 | - |
| Features | Viewfinder brightness control, colour temperature control | Viewfinder brightness control, auto eye sensor |
| EXPOSURE & WHITE BALANCE | Olympus OM-D E-M1 Mark III | Fujifilm GFX 100S |
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| ISO (Max) | 25600 | 102400 |
|---|---|---|
| Native ISO | 200-6400 | - |
| Extended ISO (Max) | 25600 | 25600 (H1), 51200 (H2), 102400 (H3) |
| Extended ISO (Min) | 64 | 50 |
| Light Sensitivity | ISO auto (64-6400), ISO 64-25600 | ISO 50, ISO auto, ISO 102400, ISO 51200, ISO 25600, ISO 100-12800 |
| Exposure Metering | Multi-segment, centre-weighted, spot, highlight spot, shadow spot | Multi-segment, centre-weighted, spot, average |
| Exposure Metering Zones | 324 | 256 |
| Exposure Modes | Bulb, automatic, manual, aperture-priority, shutter-priority | Automatic, manual, aperture-priority, shutter-priority |
| Bracketing Modes | Art Filter bracketing, focus bracketing, ISO sensitivity bracketing, Flash Exposure Bracketing, white balance bracketing | Dynamic Range Bracketing, Film Simulation Bracketing, focus bracketing, ISO sensitivity bracketing, white balance bracketing |
| Special Effects | Sepia, Monotone, Black & White Red filter, Black & White Yellow filter, Vivid, Black & White Orange filter, soft focus, natural, Black & White Green filter, Flat, portrait, Water Colour, Diorama, Cross Process, partial colour, Grainy Film, Light Tone, Pop Art, Pale & Light Colour, pin hole, Gentle Sepia, Dramatic Tone, Bleach Bypass, High Key, Low Key, Key Line, Vintage, e-Portrait | Chrome, Film Simulation, Grainy Film |
| White Balance | Custom, automatic, presets | Custom, automatic, presets |
| White Balance Presets | Fluorescent, sunlight, tungsten light, Flash, shade, overcast, Underwater, 2000K - 14000K | Incandescent, fluorescent, daylight, shade, fluorescent light (cool white), fluorescent light (warm white), Underwater |
| Shutter Type | Mechanical, electronic | Mechanical, electronic |
| Max Shutter Speed | 1/32000 sec | 1/16000 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 1/3 EV steps |
| Auto Exposure Bracketing | 5 steps in 1/3, 2/3 or 1 EV steps | 2, 3, 5, 7, 9 steps in 1/3 - 3 EV steps |
| White Balance Bracketing | Yes | Yes |
| X-sync Speed | 1/250sec | 1/125sec |
| Exposure Range | EV -2-20 (ISO 100) | - |
| DISPLAY | Olympus OM-D E-M1 Mark III | Fujifilm GFX 100S |
|---|
| Type | 3" LCD display | 3.2" LCD display |
|---|---|---|
| Touch Screen | Yes | Yes |
| Display Format | 1,037,000 pixels | 2,360,000 pixels |
| Display Form Factor | Rotating | Folding |
| Display Features | Display brightness control, display colour control | Display brightness control, display colour control |
| VIDEOGRAPHY / CAMCORDER | Olympus OM-D E-M1 Mark III | Fujifilm GFX 100S |
|---|
| Digital Video Format | MJPEG, H.264 | H.264, HEVC, H.265 |
|---|---|---|
| Image Recording Format | JPEG, RAW, RAW + JPEG | JPEG, RAW, RAW + JPEG |
| Max Video Resolution | 4096 x 2160 | 4096 x 2160 |
| Audio Signal Format | Linear PCM | - |
| Microphone Operation Mode | Stereo | - |
| Microphone Features | Wind noise reduction | - |
| MEMORY | Olympus OM-D E-M1 Mark III | Fujifilm GFX 100S |
|---|
| 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, SDHC UHS-II Memory Card, SDXC UHS-II Memory Card |
| Memory Card Included | No | No |
| Memory Card Max Supported Size | - | 2 TB |
| Image Storage | 5184 x 3888 | 11648 x 8736 11648 x 7768 11648 x 6552 8736 x 8736 11648 x 4304 10928 x 8736 10192 x 8736 8256 x 6192 8256 x 5504 8256 x 4640 6192 x 6192 8256 x 3048 7744 x 6192 7232 x 6192 4000 x 3000 4000 x 2664 4000 x 2248 2992 x 2992 4000 x 1480 3744 x 3000 3504 x 3000 |
| Video Capture | 4096 x 2160 p - 24 fps - 237Mbps 3840 x 2160 p - 30 fps 3840 x 2160 p - 25 fps 3840 x 2160 p - 24 fps 1920 x 1080 p - 30 fps 1920 x 1080 p - 25 fps 1920 x 1080 p - 24 fps 1920 x 1080 p - 60 fps 1920 x 1080 p - 50 fps 1280 x 720 p - 60 fps 1280 x 720 p - 50 fps 1280 x 720 p - 30 fps 1280 x 720 p - 25 fps 1280 x 720 p - 24 fps AVI - 640 x 480 p - 30 fps |
4096 x 2160 p 3840 x 2160 p 2048 x 1080 p 1920 x 1080 p |
| BATTERY AND CHARGING | Olympus OM-D E-M1 Mark III | Fujifilm GFX 100S |
|---|
| Battery Type | Olympus BLH-1 Lithium Ion | Fujifilm NP-W235 Lithium Ion |
|---|---|---|
| Details | Olympus BLH-1 Li-ion rechargeable battery - 1720 mAh (included) | Fujifilm NP-W235 Li-ion rechargeable battery (included) |
| Battery Life | Photo shooting - 420 shots Video recording - 85 minutes |
Photo shooting - 460 shots Video recording - 95 minutes (4K resolution) |
| CONNECTIONS | Olympus OM-D E-M1 Mark III | Fujifilm GFX 100S |
|---|
| Interface | HDMI, USB 3.0, IEEE 802.11a/b/g/n/ac, Bluetooth 4.2 | HDMI, USB-C, IEEE 802.11b/g/n, Bluetooth 4.2 |
|---|---|---|
| Connectivity Features | Remote control via mobile devices, remote live view | Remote control via mobile devices, Wireless Image Transfer |
| Print Standard | DPOF support, Exif Print support | Exif Print support |
| Flash Terminal | Hot shoe, PC terminal | Hot shoe |
| Connector Type | USB 3.0 (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 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) Remote control (sub-mini phone 2.5 mm) |
| FEATURES | Olympus OM-D E-M1 Mark III | Fujifilm GFX 100S |
|---|
| Self-Timer Delay | 2sec, 12sec | 10 sec, 2sec |
|---|---|---|
| Continuous Shooting Speed | 10 frames per second, 15 frames per second, 60 frames per second, 18 frames per second | 2 frames per second, 5 frames per second, 2.9 frames per second |
| Additional Features | Built-in speaker, RGB primary colour filter, auto power save, sharpness control, histogram display, in-camera red-eye removal, cropping an image, resizing an image, saturation control, shadow point display, highlight point display, in-camera film editing, contrast control, digital tele-converter, USB charging, HDR image enhancement technology, high-speed recording, Time-Lapse recording, silent shooting, GPS via mobile, Flicker detection, multiple exposure capture, Focus Stacking, 80-megapixel High Resolution mode | Auto power save, date/time stamp, histogram display, interval shooting mode, in-camera RAW processing |
| OTHERS | Olympus OM-D E-M1 Mark III | Fujifilm GFX 100S |
|---|
| Included Accessories | Battery charger, body cap, shoulder strap, USB cable, cable clip | Body cap, shoulder strap, AC power adaptor, USB cable, power plug adapter, cable protector, hot shoe cover |
|---|---|---|
| Max Operating Temperature | 40 °C | 40 °C |
| Min Operating Temperature | -10 °C | -10 °C |
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