Sony Alpha7R III ILCE-7RM3 vs. Fujifilm X Series X-T3

Camera Comparison, Reviews and Tests

Detailed comparison and review of Sony Alpha7R III ILCE-7RM3 and Fujifilm X Series X-T3. With our comprehensive overview, you can simply compare design, sensors, proximity characteristics, memory capacities, but also other key features of both cameras and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the camera that best fits your needs and expectations.

Camera Specifications Comparison

Sony Alpha7R III ILCE-7RM3 vs. Fujifilm X Series X-T3 Comparison Chart
DESIGN AND DIMENSIONS Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
Product Type Digital camera - 4K - mirrorless system Digital camera - 4K - mirrorless system
Lens Included Body only Body only
Height 9.56 cm 9.28 cm
Width 12.69 cm 13.25 cm
Depth 7.37 cm 5.88 cm
Weight 572 g 489 g
Weight Details Camera body only: 572 g
Camera with battery and memory card: 675 g
Camera body only: 489 g
Camera with battery and memory card: 539 g
Body Material Magnesium alloy Magnesium alloy
Enclosure Colour Black Black | Silver
Protection Dust-resistant, moisture-resistant Weatherproof, freezeproof, dust-resistant
Digital Zoom 4x -
SENSOR Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
Sensor Resolution 42.4 Megapixel 26.1 Megapixel
Optical Sensor Type Exmor R CMOS X-Trans CMOS 4
Total Pixels 43,600,000 pixels -
Effective Sensor Resolution 42,400,000 pixels 26,100,000 pixels
Optical Sensor Size Full Frame (35.9 x 24 mm) APS-C (23.5 x 15.6 mm)
Frame Rate (Max Resolution) 30 fps 60 fps
Sensor Dust Reduction Yes Yes
Sensor Features Dust Reduction (image sensor vibration), Anti-Dust coating Dust Reduction (image sensor vibration)
Image Stabiliser Optical (5-axis Steady Shot) -
Built-in Optical Image Stabiliser Yes -
Sensors Digital level metre -
PROCESSOR Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
Image Processor BIONZ X X-Processor 4
LENS Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
Lens Mounting Type Sony E-mount Fujifilm X Mount
FOCUSING Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
Auto Focus TTL contrast and phase detection TTL contrast and phase detection
Auto Focus Points (Zones) Qty 399 91
Auto Focus Features Focus Peaking function, Predictive Focus Control -
AE/AF Control Flex Focus Point, Eye detection AF, Zone AF Face-priority AF, Subject-tracking AF, Eye detection AF, Zone AF
Face Detection Eye Detect AF, face-priority AF function Eye Detect AF, Face Detection AF/AE
VIEWFINDER Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
Viewfinder Type Electronic - OLED Electronic - OLED
Viewfinder Colour Support Colour Colour
Viewfinder Diagonal Size 0.5" 0.5"
Viewfinder Resolution 3,686,400 pixels 3,690,000 pixels
Optical Viewfinder Field Coverage 100% 100%
Optical Viewfinder Magnification 0.78x 0.75x
Optical Viewfinder Dioptric Correction Range -4 to +3 -4 to +2
Features Viewfinder brightness control, colour temperature control Auto eye sensor
EXPOSURE & WHITE BALANCE Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
ISO (Max) 102400 51200
Native ISO - 160-12800
Extended ISO (Max) - 25600 (H1), 51200 (H2)
Extended ISO (Min) - 80 (L1), 105 (L2), 125 (L3)
Light Sensitivity ISO 50, ISO 102400, ISO auto (100-12800), ISO 100-32000 ISO 100, ISO 125, ISO 80, ISO auto, ISO 51200, ISO 25600, ISO 160-12800
Exposure Metering Multi-segment, centre-weighted, spot Multi-segment, centre-weighted, spot, average
Exposure Metering Zones 1200 256
Exposure Modes Bulb, automatic, manual, aperture-priority, shutter-priority Bulb, 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) Soft focus, miniature, Film Simulation, partial colour, Toy camera, High Key, Low Key, Pop Colour, Dynamic tone
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) Fine, incandescent, shade, fluorescent light (cool white), fluorescent light (daylight), fluorescent light (warm white), Underwater, 2500K - 10000K
Shutter Type - Mechanical, electronic
Max Shutter Speed 1/8000 sec 1/32000 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 -
White Balance Bracketing Yes Yes
X-sync Speed 1/250sec 1/250sec
Exposure Range EV -3-20 (ISO 100) -
DISPLAY Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
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 Tilting (3-way)
Display Features Display brightness control, Peaking AF display, Touch AF Display brightness control, display colour control
FLASH Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
Camera Flash - Detachable flash
Guide Number (m / ISO 100) - 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 AF illuminator
External Flash Name - Fujifilm EF-X8
VIDEOGRAPHY / CAMCORDER Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
Digital Video Format AVCHD, XAVC S H.264, MOV, HEVC, H.265
Image Recording Format JPEG, RAW, RAW + JPEG JPEG, 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 Stereo
MEMORY Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
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
Memory Card Max Supported Size - 512 GB
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
6240 x 4160
6240 x 3512
4160 x 4160
4416 x 2944
4416 x 2488
2944 x 2944
3120 x 2080
3120 x 1760
2080 x 2080
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 p - 59.94 fps - 400Mbps
3840 x 2160 p
2048 x 1080 p
1920 x 1080 p
BATTERY AND CHARGING Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
Battery Type Sony NP-FZ100 Lithium Ion Fujifilm NP-W126S Lithium Ion
Details Sony NP-FZ100 Li-ion rechargeable battery - 2280 mAh (included) Fujifilm NP-W126S 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 - 390 shots
Video recording - 55 minutes (4K resolution)
Video recording - 75 minutes (Full HD resolution)
CONNECTIONS Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
Interface HDMI, USB 2.0, USB-C, IEEE 802.11b/g/n, NFC (Near Field Communication), Bluetooth 4.1 HDMI, USB 3.1, IEEE 802.11b/g/n, Bluetooth 4.2
Connectivity Features Remote live view Remote control via mobile devices, Wireless Image Transfer
Print Standard DPOF support, Exif Print support, PRINT Image Matching Exif Print support
Tripod Mount Connection Point - Yes
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 3.1 Gen 1 (USB Type-C)
HDMI output (19 pin micro HDMI Type D)
Microphone (mini-phone 3.5mm)
Headphones (mini-phone stereo 3.5 mm)
Remote control (sub-mini phone 2.5 mm)
FEATURES Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
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 8 frames per second, 5.7 frames per second, 20 frames per second, 10 frames per second, 30 frames per second, 11 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 AE lock, AF lock, Dynamic Range Adjustment, primary colour filter
OTHERS Sony Alpha7R III ILCE-7RM3 Fujifilm X Series X-T3
Included Accessories Eyepiece cover, battery charger, body cap, shoulder strap, shoe cap, cable protector, USB-C cable Body cap, shoulder strap, shoe cap, protective cover, strap clip, battery grip terminal cover, sync terminal cover, clip attaching tool
Max Operating Temperature 40 °C 40 °C
Min Operating Temperature 0 °C -10 °C
Service & Support - Limited warranty - 1 year
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