• 35mm 849.7mm2
  • 61.0 megapixels
  • ISO 100 - 32,000
  • APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000

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Differences

Sony A7R IV advantages over Sony A6100

  • Larger sensor
    35mm vs APS-C
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • High resolution composite
    Yes vs No
    Combine multiple shots to form a super hi-res version
  • Longer stills battery life
    More info 670 vs 420 shots
    Capture more photos
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • More viewfinder magnification
    0.78x vs 0.70x
    Get a bigger view of the scene through the eye-level viewfinder
  • More pixels
    61.0 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 shutter
    1/8000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    102400 vs 51200 ISO
    Higher extended ISO can give more low-light flexibility

Sony A6100 advantages over Sony A7R IV

  • Less expensive
    $848 vs $3164*
    Save money for lenses or accessories
  • 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
    59 mm vs 77 mm
    Thinner
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Faster JPEG shooting
    11.0 fps vs 10.0 fps
    Faster JPEG shooting (burst mode)
  • Faster RAW shooting
    11.0 fps vs 7.2 fps
    Faster RAW shooting in burst mode

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
  • Tiltable Screen
    Both provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Both provide
    Share your photos wirelessly
  • NFC
    Both provide
    Simplifies pairing your camera with supported phones
  • 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

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • 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 A6100

Review Excerpt

  • Outstanding image quality; Excellent high ISOs; Fast AF performance with Eye-AF tracking; 10fps bursts at full-resolution; Improved ergonomics; Dual UHS-II card slots; Higher-res EVF.

  • Expensive; No 4Kp60; Buffer clearing could be faster; Menus are still frustrating; Touchscreen underutilized; No built-in flash.

The Competition

Compared to Fujifilm X-T100

Sony A7R IV
Fujifilm X-T100
  • $3331
  • 35mm
  • Larger sensor
  • Slower slow-motion
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Sony A6100
Fujifilm X-T100
  • $748
  • APS-C
  • Slower slow-motion
  • NFC
  • $599
  • APS-C
  • Less expensive
  • Tilt-swivel screen

Compared to Sony A6400

Sony A7R IV
Sony A6400
  • $3331
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
  • $898
  • APS-C
  • Less expensive
  • In-camera panoramas
Sony A6100
Sony A6400
  • $748
  • APS-C
  • Less expensive
  • $898
  • APS-C
  • Higher extended ISO

Compared to Canon R5

Sony A7R IV
Canon R5
  • $3331
  • 35mm
  • Less expensive
  • High resolution composite
  • $3399
  • 35mm
  • Tilt-swivel screen
  • Bigger pixels
Sony A6100
Canon R5
  • $748
  • APS-C
  • Less expensive
  • In-camera panoramas
  • $3399
  • 35mm
  • Tilt-swivel screen
  • Larger sensor

Compared to Nikon Z7 II

Sony A7R IV
Nikon Z7 II
  • $3331
  • 35mm
  • High resolution composite
  • NFC
  • $2330
  • 35mm
  • Less expensive
  • Bigger pixels
Sony A6100
Nikon Z7 II
  • $748
  • APS-C
  • Less expensive
  • In-camera panoramas
  • $2330
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Sony A7R V

Sony A7R IV
Sony A7R V
  • $3331
  • 35mm
  • $3900
  • 35mm
  • Newer
Sony A6100
Sony A7R V
  • $748
  • APS-C
  • In-camera panoramas
  • Internal flash
  • $3900
  • 35mm
  • Larger sensor
  • In-Camera Image Stabilization
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