• 1 inch 116.2mm2
  • 20.2 megapixels
  • 28.00mm - 100.00mm (35mm eq.)
  • APS-C 364.3mm2
  • 19.6 megapixels
  • ISO 100 - 6400

Buy From

Differences

Sony RX100 advantages over Sigma sd Quattro

  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • 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
    35 mm vs 90 mm
    Thinner
  • Higher max flash sync
    1/2000 vs 1/180 sec
    Reduce the effect of ambient light in flash shots
  • Lighter weight
    240g vs 625g
    Lighter weight
  • 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
  • Faster RAW shooting
    10.0 fps vs 3.6 fps
    Faster RAW shooting in burst mode
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Sigma sd Quattro advantages over Sony RX100

  • Larger sensor
    APS-C vs 1 inch
    More sensor area. Bigger is (generally) better.
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Bigger pixels
    ~ 4.33 vs 2.41 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
  • Newer
    8 years vs 12 years old
    Newer cameras often support more advanced features
  • More dots on screen
    1620k vs 1229k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré
  • Faster shutter
    1/4000 vs 1/2000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • Focus peaking
    Both provide
    Your camera will highlight what's in focus
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • HDMI out
    Both provide
    Use HDMI output to monitor or review 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
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Dual card slots
    Neither provide
    Gives you more storage flexibility
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Your purchases support this site

Buy the Sony RX100
Sony RX100
All RX100 Deals

Your purchases support this site

Buy the Sigma sd Quattro
Body Only
  • Body Only
  • Kit with 30mm f/1.4 Art Lens
All sd Quattro Deals

Review Excerpt

  • Excellent high-ISO performance for such a compact model; Smart controls; Small body; Bright lens; 10fps full-res burst mode; Very fast shutter response; Excellent LCD.

  • Lens flare at night; Poor rendering of yellows; Slow flash recycling; Soft corners wide open; Continuous AF mode slow to lock.

  • Read our Sony RX100 Review

The Competition

Compared to Sony RX100 II

Sony RX100
Sony RX100 II
  • $1095
  • 1 inch
  • Faster RAW shooting
  • $598
  • 1 inch
  • Tiltable Screen
  • Built-in Wi-Fi

Compare Sony RX100 vs Sony RX100 II

Sigma sd Quattro
Sony RX100 II
  • $699
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $598
  • 1 inch
  • Less expensive
  • In-Camera Image Stabilization

Compare Sigma sd Quattro vs Sony RX100 II

Compared to Sony RX100 III

Sony RX100
Sony RX100 III
  • $1095
  • 1 inch
  • More telephoto lens reach
  • Faster RAW shooting
  • $748
  • 1 inch
  • Eye-level viewfinder
  • Tiltable Screen

Compare Sony RX100 vs Sony RX100 III

Sigma sd Quattro
Sony RX100 III
  • $699
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $748
  • 1 inch
  • Less expensive
  • In-Camera Image Stabilization

Compare Sigma sd Quattro vs Sony RX100 III

Compared to Sony A3000

Sony RX100
Sony A3000
  • $1095
  • 1 inch
  • In-Camera Image Stabilization
  • Thinner
  • $598
  • APS-C
  • Less expensive
  • Larger sensor

Compare Sony RX100 vs Sony A3000

Sigma sd Quattro
Sony A3000
  • $699
  • APS-C
  • On-sensor phase detect
  • HDMI out
  • $598
  • APS-C
  • Lens selection
  • In-camera panoramas

Compare Sigma sd Quattro vs Sony A3000

Compared to Canon G7X

Sony RX100
Canon G7X
  • $1095
  • 1 inch
  • In-camera panoramas
  • Longer stills battery life
  • $1239
  • 1 inch
  • Touchscreen
  • Tiltable Screen

Compare Sony RX100 vs Canon G7X

Sigma sd Quattro
Canon G7X
  • $699
  • APS-C
  • Larger sensor
  • Eye-level viewfinder
  • $1239
  • 1 inch
  • In-Camera Image Stabilization
  • Touchscreen

Compare Sigma sd Quattro vs Canon G7X

Compared to Fujifilm X-H1

Sony RX100
Fujifilm X-H1
  • $1095
  • 1 inch
  • Internal flash
  • Thinner
  • $1199
  • APS-C
  • Larger sensor
  • Eye-level viewfinder

Compare Sony RX100 vs Fujifilm X-H1

Sigma sd Quattro
Fujifilm X-H1
  • $699
  • APS-C
  • More dots on screen
  • $1199
  • APS-C
  • Lens selection
  • In-Camera Image Stabilization

Compare Sigma sd Quattro vs Fujifilm X-H1

Compare Other Cameras?