• 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 32,000
  • Medium format 1,441.0mm2
  • 102.0 megapixels
  • ISO 100 - 12,800

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Differences

Sony A7R III advantages over Fujifilm GFX 100

  • Less expensive
    $1805 vs $6699*
    Save money for lenses or accessories
  • Bigger pixels
    ~ 4.51 vs 3.76 microns
    Better low-light and dynamic range (all else equal)
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Thinner
    73 mm vs 102 mm
    Thinner
  • Higher max flash sync
    1/250 vs 1/125 sec
    Reduce the effect of ambient light in flash shots
  • Lighter weight
    657g vs 1400g
    Lighter weight
  • Faster JPEG shooting
    9.9 fps vs 5.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    82 vs 47 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    9.2 fps vs 5.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    30 vs 21 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos

Fujifilm GFX 100 advantages over Sony A7R III

  • Larger sensor
    Medium format vs 35mm
    More sensor area. Bigger is (generally) better.
  • Fast startup
    ~1.30 vs 1.7 sec
    Faster startup lets you catch the moment
  • Longer video battery life
    170 vs 100 minutes
    Capture more video
  • Longer stills battery life
    More info 800 vs 650 shots
    Capture more photos
  • Top deck display
    Yes vs No
    Check settings with a screen on top of the camera
  • Higher-res screen
    787k vs 360k pixels
    More detail on the screen lets you judge focus and composition
  • Less shutter lag
    0.16 vs 0.25 sec
    Focus and take a photo quickly (wide angle)
  • More viewfinder magnification
    0.86x vs 0.78x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    102.0 vs 42.4 megapixels
    Higher resolution photos
  • Longer exposure
    3600 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/16000 vs 1/8000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Both provide
    You'll be able to frame photos even when the sun is out
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • Built-in Bluetooth
    Both provide
    Always-on wireless connectivity
  • On-sensor phase detect
    Both provide
    Usually improves live view and video AF performance
  • External Mic Jack
    Both provide
    Improved sound fidelity when shooting video
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities
  • Dual card slots
    Both provide
    Gives you more storage flexibility
  • Headphone jack
    Both provide
    Monitor audio recording while you shoot video
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Internal flash
    Neither provide
    Useful in a pinch for fill flash

User reviews

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Buy the Fujifilm GFX 100
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Review Excerpt

  • Fantastic image quality; Improved dynamic range over its predecessor; Very good high ISO performance; Much improved real-world AF performance; Class-leading burst rates, even with RAW; Improved 5-axis in-body image stabilization; Better 4K video quality; 1080/120fps video; Dual card slots; Significantly better battery life.

  • Expensive; Menus still confusing; UHS-II support only on one card slot; No optical low-pass filter means greater risk of moire; No built-in flash; Buffer clearing still slow despite UHS-II support.

  • Read our Sony A7R III Review

  • Outstanding image quality; Fast hybrid AF with phase-detect; 5fps bursts at full resolution; In-body image stabilization; Improved EVF; Weather sealing; 4K UHD & Cinema 4K at up to 30fps.

  • Big and bulky; Shallow buffer depth with RAW files; Vertical grip not as comfortable; Native lens selection still limited.

  • Read our Fujifilm GFX 100 Review

The Competition

Compared to Sony A7R II

Sony A7R III
Sony A7R II
  • $2151
  • 35mm
  • Touchscreen
  • High resolution composite
  • $2348
  • 35mm
  • In-camera panoramas

Compare Sony A7R III vs Sony A7R II

Fujifilm GFX 100
Sony A7R II
  • $8899
  • Medium format
  • Larger sensor
  • Touchscreen
  • $2348
  • 35mm
  • Less expensive
  • Bigger pixels

Compare Fujifilm GFX 100 vs Sony A7R II

Compared to Fujifilm GFX 50S

Sony A7R III
Fujifilm GFX 50S
  • $2151
  • 35mm
  • Less expensive
  • In-Camera Image Stabilization
  • $5697
  • Medium format
  • Larger sensor
  • Bigger pixels

Compare Sony A7R III vs Fujifilm GFX 50S

Fujifilm GFX 100
Fujifilm GFX 50S
  • $8899
  • Medium format
  • In-Camera Image Stabilization
  • Shoot 4K video
  • $5697
  • Medium format
  • Less expensive
  • Bigger pixels

Compare Fujifilm GFX 100 vs Fujifilm GFX 50S

Compared to Sony A7R IV

Sony A7R III
Sony A7R IV
  • $2151
  • 35mm
  • Less expensive
  • Bigger pixels
  • $3120
  • 35mm
  • Fast startup
  • More pixels

Compare Sony A7R III vs Sony A7R IV

Fujifilm GFX 100
Sony A7R IV
  • $8899
  • Medium format
  • Larger sensor
  • Longer video battery life
  • $3120
  • 35mm
  • Less expensive
  • High resolution composite

Compare Fujifilm GFX 100 vs Sony A7R IV

Compared to Nikon Z7 II

Sony A7R III
Nikon Z7 II
  • $2151
  • 35mm
  • Less expensive
  • High resolution composite
  • $2330
  • 35mm
  • Top deck display
  • Newer

Compare Sony A7R III vs Nikon Z7 II

Fujifilm GFX 100
Nikon Z7 II
  • $8899
  • Medium format
  • Larger sensor
  • Longer video battery life
  • $2330
  • 35mm
  • Less expensive
  • Bigger pixels

Compare Fujifilm GFX 100 vs Nikon Z7 II

Compared to Fujifilm GFX 100S

Sony A7R III
Fujifilm GFX 100S
  • $2151
  • 35mm
  • Less expensive
  • Bigger pixels
  • $4966
  • Medium format
  • Larger sensor
  • Longer video battery life

Compare Sony A7R III vs Fujifilm GFX 100S

Fujifilm GFX 100
Fujifilm GFX 100S
  • $8899
  • Medium format
  • Longer stills battery life
  • $4966
  • Medium format
  • Less expensive
  • Newer

Compare Fujifilm GFX 100 vs Fujifilm GFX 100S

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