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 1-on-1 Comparison
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GENERAL
Model Sony Alpha A7R III Fujifilm GFX 100 Sony Alpha A7R IV
Release Date 2017-10-25 2019-05-23 2019-07-16
Camera Type SLR-style mirrorless SLR-style mirrorless SLR-style mirrorless
Current Price AMAZON

B&H PHOTO
AMAZON

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AMAZON

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SENSOR COMPARISON
Sensor Resolution
42

Megapixel

102

Megapixel

61

Megapixel

Max Image Dimensions 7952 x 5304 11648 x 8736 9504 x 6336
Sensor Type BSI-CMOS BSI-CMOS BSI-CMOS
Sensor Size Full frame Medium format Full frame
Sensor Dimensions 35.9 x 24 mm 44 x 33 mm 35.8 x 23.8 mm
Sensor Area
861mm2
1452mm2
852mm2
Max ISO

32000

12800

32000

Min ISO

100

100

100

RAW Support
SHOOTING FEATURES COMPARISON
Model Sony Alpha A7R III Fujifilm GFX 100 Sony Alpha A7R IV
Max Shutter Speed 1/8000 sec 1/4000 sec 1/8000 sec
Min Shutter Speed 30 sec 30 sec 30 sec
Continuous Shooting 10.0 fps 5.0 fps 10.0 fps
Shutter Priority
Aperture Priority
Manual Exposure
Exposure Compensation �5 (at 1/3 EV, 1/2 EV steps) ±5 (at 1/3 EV steps) �5 (at 1/3 EV, 1/2 EV steps)
Exposure Metering
  • MultiCenter-weightedSpot
  • MultiCenter-weightedAverageSpot
  • MultiCenter-weightedHighlight-weightedAverageSpot
Auto Exposure Bracketing �5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps) ±5 (2, 3, 5, 7 frames at 1/3 EV, 2/3 EV, 1 EV, 2 EV steps) �5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV steps)
Custom White Balance
Image Stabilizer Sensor-shift Sensor-shift Sensor-shift
Built-in Flash
Flash Range no built-in flash no built-in flash no built-in flash
Max Flash Sync no built-in flash 1/125s 1/250s
Flash Modes Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync no built-in flash Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync.
External Flash
AE Bracketing
WB Bracketing
VIEWFINDER COMPARISON
Viewfinder Type Electronic Electronic Electronic
Viewfinder Resolution 3,686k dots 5,760k dots 5,760k dots
Viewfinder Coverage 100% 100% 100%
Viewfinder Magnification 0.78 0.86 0.78
LCD DISPLAY COMPARISON
Display Type Tilting Tilting Tilting
Technology n/a n/a n/a
Screen Size
3.00"
3.20"
3.00"
Resolution 1,440k dots 2,360k dots 1,440k dots
Live View
Touch Screen
VIDEO COMPARISON
Model Sony Alpha A7R III Fujifilm GFX 100 Sony Alpha A7R IV
Video Resolution 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) 4096 x 2160 @ 30p / 400 Mbps, MOV, H.265, Linear PCM 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Video File Format
  • MPEG-4
  • AVCHD
  • XAVC S
  • MPEG-4
  • H.264
  • H.265
  • MPEG-4
  • XAVC S
  • H.264
Microphone Type Stereo Stereo Stereo
Speaker Type Mono Mono Mono
External Microphone Port
External Headphone Port
PHYSICAL SPECS COMPARISON
Weight 657 g 1320 g 665 g
Dimensions 127 x 96 x 74 mm 156 x 164 x 103 mm 129 x 96 x 78 mm
Body Sealing Yes Yes Yes
BATTERY and STORAGE
Battery Type Battery Pack Battery Pack Battery Pack
Battery Life

650 Shots

800 Shots

670 Shots

Storage Media Two SD/SDHC/SDXC slots (UHS-II support on one) Dual SD/SDHC/SDXC cards (UHS-II supported) Dual SD/SDHC/SDXC (UHS-II compatible)
CONNECTIVITY COMPARISON
Wireless Connectivity Built-In Built-In Built-In
HDMI
USB USB 3.1 Gen 1(5 GBit/sec) USB 3.1 Gen 1 (5 GBit/sec) USB 3.1 Gen 1(5 GBit/sec)
LENS COMPARISON
Model Sony Alpha A7R III Fujifilm GFX 100 Sony Alpha A7R IV
Lens Mount Sony E Fujifilm G Sony E
Focal Range(35mm) No Lens No Lens No Lens
Focal Length Multiplier 1x 0.79x 1x
Optical Zoom No Lens No Lens No Lens
Max Aperture No Lens No Lens No Lens
Macro Focus Range No Lens No Lens No Lens
Manual Focus
AUTOFOCUS COMPARISON
Number of Focus Points 425 425 567
Contrast Detection
Phase Detection
AF Modes
  • AF Touch
  • AF Continuous
  • AF Single
  • AF Tracking
  • AF Selective
  • AF Center
  • AF Multi Area
  • AF Live View
  • Face Detection
  • AF Touch
  • AF Continuous
  • AF Single
  • AF Tracking
  • AF Selective
  • AF Center
  • AF Multi Area
  • AF Live View
  • Face Detection
  • AF Touch
  • AF Continuous
  • AF Single
  • AF Tracking
  • AF Selective
  • AF Center
  • AF Multi Area
  • AF Live View
  • Face Detection
Current Price AMAZON

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