• APS-H 476.1mm2
  • 25.6 megapixels
  • ISO 100 - 6400
  • 4/3 224.9mm2
  • 20.3 megapixels
  • ISO 200 - 25,600

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Differences

Sigma sd Quattro H advantages over Panasonic G100

  • Larger sensor
    APS-H vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 4.30 vs 3.34 microns
    Better low-light and dynamic range (all else equal)
  • On-sensor phase detect
    Yes vs No
    Usually improves live view and video AF performance
  • More pixels
    25.6 vs 20.3 megapixels
    Higher resolution photos
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré

Panasonic G100 advantages over Sigma sd Quattro H

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Lens selection
    Excellent vs Limited
    Better lens selection gives you more options
  • Shoot 4K video
    4K (UHD) vs No
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    54 mm vs 90 mm
    Thinner
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • Newer
    4 years vs 8 years old
    Newer cameras often support more advanced features
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/16000 vs 1/4000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

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
  • 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

Common Weaknesses

  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • 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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Buy the Panasonic G100

Review Excerpt

The Competition

Compared to Sony A3000

Sigma sd Quattro H
Sony A3000
  • $1199
  • APS-H
  • Larger sensor
  • On-sensor phase detect
  • $500
  • APS-C
  • Less expensive
  • Lens selection
Panasonic G100
Sony A3000
  • $599
  • 4/3
  • Tilt-swivel screen
  • Lens selection
  • $500
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Sigma sd Quattro

Sigma sd Quattro H
Sigma sd Quattro
  • $1199
  • APS-H
  • Larger sensor
  • More pixels
  • $699
  • APS-C
  • Bigger RAW buffer
Panasonic G100
Sigma sd Quattro
  • $599
  • 4/3
  • Lens selection
  • Less expensive
  • $699
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Fujifilm X-H1

Sigma sd Quattro H
Fujifilm X-H1
  • $1199
  • APS-H
  • Larger sensor
  • More dots on screen
  • $1199
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization
Panasonic G100
Fujifilm X-H1
  • $599
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $1199
  • APS-C
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Olympus E-M5 III

Sigma sd Quattro H
Olympus E-M5 III
  • $1199
  • APS-H
  • Larger sensor
  • Bigger pixels
  • $924
  • 4/3
  • Lens selection
  • Tilt-swivel screen
Panasonic G100
Olympus E-M5 III
  • $599
  • 4/3
  • Less expensive
  • In-camera panoramas
  • $924
  • 4/3
  • In-Camera Image Stabilization
  • High resolution composite

Compared to Olympus E-M10 IV

Sigma sd Quattro H
Olympus E-M10 IV
  • $1199
  • APS-H
  • Larger sensor
  • Bigger pixels
  • $666
  • 4/3
  • Lens selection
  • In-Camera Image Stabilization
Panasonic G100
Olympus E-M10 IV
  • $599
  • 4/3
  • Less expensive
  • Tilt-swivel screen
  • $666
  • 4/3
  • In-Camera Image Stabilization
  • More telephoto lens reach
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