• APS-C 366.6mm2
  • 24.2 megapixels
  • ISO 100 - 32,000
  • 4/3 226.2mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Sony A6100 advantages over Olympus E-M10 IV

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 3.92 vs 3.36 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Longer video battery life
    125 vs 80 minutes
    Capture more video
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • More pixels
    24.2 vs 20.3 megapixels
    Higher resolution photos
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Wider angle kit lens
    24 mm vs 28 mm
    Capture more of the scene with the included lens
  • Higher extended ISO
    51200 vs 25600 ISO
    Higher extended ISO can give more low-light flexibility

Olympus E-M10 IV advantages over Sony A6100

  • Lens selection
    Excellent vs Good
    Better lens selection gives you more options
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Higher max flash sync
    1/250 vs 1/160 sec
    Reduce the effect of ambient light in flash shots
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Faster shutter
    1/16000 vs 1/4000 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
  • 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
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • 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
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

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Review Excerpt

The Competition

Compared to Fujifilm X-T100

Sony A6100
Fujifilm X-T100
  • $748
  • APS-C
  • Slower slow-motion
  • NFC
  • $474
  • APS-C
  • Less expensive
  • Tilt-swivel screen
Olympus E-M10 IV
Fujifilm X-T100
  • $700
  • 4/3
  • Lens selection
  • Slower slow-motion
  • $474
  • APS-C
  • Larger sensor
  • Tilt-swivel screen

Compared to Sony A6400

Sony A6100
Sony A6400
  • $748
  • APS-C
  • Less expensive
  • Newer
  • $898
  • APS-C
  • Higher extended ISO
Olympus E-M10 IV
Sony A6400
  • $700
  • 4/3
  • Lens selection
  • In-Camera Image Stabilization
  • $898
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Canon EOS M6 Mark II

Sony A6100
Canon EOS M6 Mark II
  • $748
  • APS-C
  • Lens selection
  • Less expensive
  • $849
  • APS-C
  • More pixels
  • Faster JPEG shooting
Olympus E-M10 IV
Canon EOS M6 Mark II
  • $700
  • 4/3
  • Lens selection
  • Eye-level viewfinder
  • $849
  • APS-C
  • Larger sensor
  • On-sensor phase detect

Compared to Olympus E-M5 III

Sony A6100
Olympus E-M5 III
  • $748
  • APS-C
  • Larger sensor
  • Less expensive
  • $999
  • 4/3
  • Lens selection
  • Tilt-swivel screen
Olympus E-M10 IV
Olympus E-M5 III
  • $700
  • 4/3
  • Longer video battery life
  • Internal flash
  • $999
  • 4/3
  • Tilt-swivel screen
  • High resolution composite

Compared to Panasonic G100

Sony A6100
Panasonic G100
  • $748
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $781
  • 4/3
  • Lens selection
  • Tilt-swivel screen
Olympus E-M10 IV
Panasonic G100
  • $700
  • 4/3
  • In-Camera Image Stabilization
  • More telephoto lens reach
  • $781
  • 4/3
  • Tilt-swivel screen
  • In-camera panoramas
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