• 35mm 861.6mm2
  • 42.4 megapixels
  • ISO 100 - 32,000
  • APS-C 369.0mm2
  • 24.2 megapixels
  • ISO 200 - 12,800

Buy From

Differences

Sony A7R III advantages over Fujifilm X-T100

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • Slower slow-motion
    120 fps vs 100 fps
    Supports slower slow-mo
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Bigger pixels
    ~ 4.51 vs 3.92 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
  • Fast startup
    ~1.70 vs 2.7 sec
    Faster startup lets you catch the moment
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Longer stills battery life
    More info 650 vs 430 shots
    Capture more photos
  • More viewfinder magnification
    0.78x vs 0.62x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    42.4 vs 24.2 megapixels
    Higher resolution photos
  • Dual card slots
    Yes vs No
    Gives you more storage flexibility
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Faster JPEG shooting
    9.9 fps vs 6.0 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    9.2 fps vs 6.0 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    30 vs 16 shots
    Larger buffer for RAW shots (burst mode)
  • Higher extended ISO
    102400 vs 51200 ISO
    Higher extended ISO can give more low-light flexibility

Fujifilm X-T100 advantages over Sony A7R III

  • Less expensive
    $599 vs $2498
    Save money for lenses or accessories
  • Tilt-swivel screen
    Tilt-swivel vs tilt-only
    Tilt and swivel the screen for maximum shooting flexibility
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    47 mm vs 73 mm
    Thinner
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Faster shutter
    1/32000 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
  • Shoot 4K video
    Both provide
    Make sure you have a fast computer
  • Touchscreen
    Both provide
    Interact with your camera just like your smartphone
  • 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
  • Bulb shutter
    Both provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Both provide
    Shoot slow-motion videos

Common Weaknesses

  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera

User reviews

Buy From

Your purchases support this site

Buy the Sony A7R III

Your purchases support this site

Buy the Fujifilm X-T100

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.

The Competition

Compared to Sony A7R II

Sony A7R III
Sony A7R II
  • $2204
  • 35mm
  • Touchscreen
  • High resolution composite
  • $2348
  • 35mm
  • Less expensive
  • In-camera panoramas
Fujifilm X-T100
Sony A7R II
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $2348
  • 35mm
  • Slower slow-motion
  • Larger sensor

Compared to Sony A6400

Sony A7R III
Sony A6400
  • $2204
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $798
  • APS-C
  • Less expensive
  • In-camera panoramas
Fujifilm X-T100
Sony A6400
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $798
  • APS-C
  • Slower slow-motion
  • Fast startup

Compared to Sony A7R IV

Sony A7R III
Sony A7R IV
  • $2204
  • 35mm
  • Less expensive
  • Bigger pixels
  • $3217
  • 35mm
  • Fast startup
  • More pixels
Fujifilm X-T100
Sony A7R IV
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $3217
  • 35mm
  • Larger sensor
  • Slower slow-motion

Compared to Sony A6100

Sony A7R III
Sony A6100
  • $2204
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $648
  • APS-C
  • Less expensive
  • In-camera panoramas
Fujifilm X-T100
Sony A6100
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $648
  • APS-C
  • Slower slow-motion
  • NFC

Compared to Nikon Z7 II

Sony A7R III
Nikon Z7 II
  • $2204
  • 35mm
  • High resolution composite
  • NFC
  • $2330
  • 35mm
  • Top deck display
  • Newer
Fujifilm X-T100
Nikon Z7 II
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen
  • $2330
  • 35mm
  • Larger sensor
  • Slower slow-motion
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