Sony Alpha7R III ILCE-7RM3 vs. Fujifilm GFX 100

Camera Comparison, Reviews and Tests

In depth comparison and review of Sony Alpha7R III ILCE-7RM3 and Fujifilm GFX 100. 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.

Camera Specifications Comparison

Sony Alpha7R III ILCE-7RM3 vs. Fujifilm GFX 100 Comparison Chart
DESIGN AND DIMENSIONS Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
Product Type Digital camera - 4K - mirrorless system Digital camera - 4K - mirrorless system with movie recording
Lens Included Body only Body only
Height 9.56 cm 16.36 cm
Width 12.69 cm 15.62 cm
Depth 7.37 cm 10.29 cm
Weight 572 g 1.155 kg
Weight Details Camera body only: 572 g
Camera with battery and memory card: 675 g
Camera body only: 1.155 kg
Camera with battery and memory card: 1.32 kg
Camera with EVF, battery and memory card: 1.4 kg
Body Material Magnesium alloy Magnesium alloy
Enclosure Colour Black -
Protection Dust-resistant, moisture-resistant Weatherproof, freezeproof, dust-resistant
Digital Zoom 4x -
SENSOR Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
Sensor Resolution 42.4 Megapixel 100 Megapixel
Optical Sensor Type Exmor R CMOS CMOS
Total Pixels 43,600,000 pixels -
Effective Sensor Resolution 42,400,000 pixels 102,000,000 pixels
Optical Sensor Size Full Frame (35.9 x 24 mm) Medium Format (43.8 x 32.9 mm)
Frame Rate (Max Resolution) 30 fps 30 fps
Sensor Dust Reduction Yes Yes
Sensor Features Dust Reduction (image sensor vibration), Anti-Dust coating Ultrasonic vibration
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 III ILCE-7RM3 Fujifilm GFX 100
Image Processor BIONZ X X-Processor 4
LENS Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
Lens Mounting Type Sony E-mount Fujifilm G Mount
FOCUSING Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
Auto Focus TTL contrast and phase detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 399 -
Auto Focus Features Focus Peaking function, Predictive Focus Control -
AE/AF Control Flex Focus Point, Eye detection AF, Zone AF -
Face Detection Eye Detect AF, face-priority AF function Eye Detect AF, face-priority AF function
VIEWFINDER Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
Viewfinder Type Electronic - OLED Electronic - OLED
Viewfinder Colour Support Colour Colour
Viewfinder Diagonal Size 0.5" 0.5"
Viewfinder Resolution 3,686,400 pixels 5,760,000 pixels
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 0.78x 0.86x
Optical Viewfinder Dioptric Correction Range -4 to +3 -4 to +2
Interchangeable - Yes
Features Viewfinder brightness control, colour temperature control Viewfinder brightness control, auto eye sensor
EXPOSURE & WHITE BALANCE Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
ISO (Max) 102400 102400
Native ISO - 100-12800
Extended ISO (Max) - 25600 (H1), 51200 (H2), 102400 (H3)
Extended ISO (Min) - 50
Light Sensitivity ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 ISO 50, ISO auto, ISO 102400, ISO 51200, ISO 25600, ISO 100-12800
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, average, spot (2%)
Exposure Metering Zones 1200 256
Exposure Modes Bulb, automatic, manual, aperture-priority, shutter-priority Automatic, manual, aperture-priority, shutter-priority
Bracketing Modes Dynamic Range Bracketing, white balance bracketing Dynamic Range Bracketing, Film Simulation Bracketing, focus bracketing, ISO sensitivity 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) Chrome, Film Simulation, Grainy 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) -
Shutter Type - Mechanical, electronic
Max Shutter Speed 1/8000 sec 1/16000 sec
Min Shutter Speed 30 sec 30 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 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 -3-20 (ISO 100) -
DISPLAY Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
Type 3" LCD display 3.2" LCD display
Touch Screen Yes Yes
Display Format 1,440,000 pixels 2,360,000 pixels
Display Form Factor Folding Folding
Display Features Display brightness control, Peaking AF display, Touch AF Display brightness control, display colour control
FLASH Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
Features AF illuminator -
VIDEOGRAPHY / CAMCORDER Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
Digital Video Format AVCHD, XAVC S H.264, HEVC, H.265
Image Recording Format JPEG, RAW, RAW + JPEG JPEG, TIFF, RAW, RAW + JPEG
Max Video Resolution 3840 x 2160 4096 x 2160
Audio Signal Format Dolby Digital AC-3 (2 channel), Linear PCM -
Microphone Operation Mode Stereo -
MEMORY Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
Memory Card Slot Memory Stick PRO Duo card, SD card SD card
Supported Memory Cards 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 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
Image Storage 7952 x 5304
7952 x 4472
5168 x 3448
5168 x 2912
3984 x 2656
3984 x 2240
2592 x 1728
2592 x 1456
11648 x 8736
11648 x 7768
11648 x 6552
8736 x 8736
11648 x 4304
10298 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 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
4096 x 2160
3840 x 2160
2048 x 1080
1920 x 1080
BATTERY AND CHARGING Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
Battery Type Sony NP-FZ100 Lithium Ion Fujifilm NP-T125 Lithium Ion
Details Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) 2 x Fujifilm NP-T125 Li-ion rechargeable battery (included)
Battery Life 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)
Photo shooting - 800 shots
Video recording - 170 minutes (4K resolution)
CONNECTIONS Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
Interface HDMI, USB 2.0, USB-C, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 HDMI, USB 3.0, IEEE 802.11a/b/g/n/ac
Connectivity Features Remote live view Remote control via mobile devices, remote live view, Wireless Image Transfer
Print Standard DPOF support, Exif Print support, PRINT Image Matching Exif Print support
Flash Terminal Hot shoe, PC terminal Hot shoe
Connector Type 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)
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)
Remote control (sub-mini phone 2.5 mm)
DC power input
FEATURES Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
Self-Timer Delay 10 sec, 2sec, 5 sec 10 sec, 2sec
Continuous Shooting Speed 8 frames per second, 3 frames per second, 10 frames per second, 6 frames per second 5 frames per second
HDR Mode HDR Movie 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, 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 Auto power save, date/time stamp, depth-of-field preview button, sharpness control, histogram display, colour control, AE lock, AF lock, in-camera red-eye removal, highlight point display, Automatic Pixel Mapping (APM), in-camera RAW processing, noise reduction over long exposures, Lens Modulation Optimizer (LMO), noise reduction, multiple exposure capture
OTHERS Sony Alpha7R III ILCE-7RM3 Fujifilm GFX 100
Included Accessories Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable Battery charger, body cap, shoulder strap, viewfinder, power plug adapter, strap clip, cable protector, strap clip lock
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature 0 °C -10 °C
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