• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 35.00mm - 140.00mm (35mm eq.)
  • 1 inch 116.2mm2
  • 20.2 megapixels
  • 28.00mm - 100.00mm (35mm eq.)

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Differences

Canon A3100 IS advantages over Sony RX100 II

  • Fast startup
    ~2.10 vs 2.8 sec
    Faster startup lets you catch the moment
  • More telephoto lens reach
    140 mm vs 100 mm
    Capture objects farther away
  • Thinner
    28 mm vs 38 mm
    Thinner
  • Lighter weight
    154g vs 281g
    Lighter weight
  • Bigger JPEG buffer
    Unlimited vs 13 shots
    Take more JPEG shots before waiting (burst mode)

Sony RX100 II advantages over Canon A3100 IS

  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Larger sensor
    1 inch vs 1/2.3 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 2.41 vs 1.54 microns
    Better low-light and dynamic range (all else equal)
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Larger lens aperture
    f/1.8 vs f/2.7
    Take photos in low-light or isolate your subject
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Longer stills battery life
    More info 350 vs 240 shots
    Capture more photos
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • More dots on screen
    1229k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Less shutter lag
    0.15 vs 0.48 sec
    Focus and take a photo quickly (wide angle)
  • More pixels
    20.2 vs 12.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Wider angle lens
    28 mm vs 35 mm
    Capture more of the scene
  • Longer exposure
    30 vs 15 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    9.6 fps vs 0.8 fps
    Faster JPEG shooting (burst mode)
  • Higher extended ISO
    25600 vs 1600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Internal flash
    Both provide
    Useful in a pinch for fill flash

Common Weaknesses

  • Tilt-swivel screen
    Neither provide
    Tilt and swivel the screen for maximum shooting flexibility
  • Eye-level viewfinder
    Neither provide
    You'll be able to frame photos even when the sun is out
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • External Mic Jack
    Neither provide
    Improved sound fidelity when shooting video
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

User reviews

Buy From

Review Excerpt

  • New, 20.2MP, 1-inch type, backside illuminated (BSI) image sensor produces superb image quality, with particular improvements in low light and high ISO; 3-inch tilting rear LCD screen handy for composing shots from difficult angles; Fast all-around performer with quick autofocus and virtually no shutter lag; New, multi-interface hotshoe for adding a strobe or optional electronic viewfinder; Built-in Wi-Fi with NFC.

  • Bigger and heavier than previous model; More expensive than previous model; Reduced burst performance when shooting RAW files; Somewhat confusing menu structure and control layout; Wi-Fi features can be difficult to set up.

The Competition

Compared to Sony RX100

Canon A3100 IS
Sony RX100
  • $85
  • 1/2.3 inch
  • Less expensive
  • Fast startup
  • $1095
  • 1 inch
  • Focus peaking
  • Larger sensor
Sony RX100 II
Sony RX100
  • $598
  • 1 inch
  • Tiltable Screen
  • Built-in Wi-Fi
  • $1095
  • 1 inch
  • Faster RAW shooting

Compared to Sony RX100 III

Canon A3100 IS
Sony RX100 III
  • $85
  • 1/2.3 inch
  • More telephoto lens reach
  • Thinner
  • $748
  • 1 inch
  • Focus peaking
  • Larger sensor
Sony RX100 II
Sony RX100 III
  • $598
  • 1 inch
  • Less expensive
  • More telephoto lens reach
  • $748
  • 1 inch
  • Eye-level viewfinder
  • Fast startup

Compared to Canon A1100 IS

Canon A3100 IS
Canon A1100 IS
  • $85
  • 1/2.3 inch
  • More dots on screen
  • $200
  • 1/2.3 inch
  • Eye-level viewfinder
  • Longer stills battery life
Sony RX100 II
Canon A1100 IS
  • $598
  • 1 inch
  • Focus peaking
  • Larger sensor
  • $200
  • 1/2.3 inch
  • Eye-level viewfinder
  • More telephoto lens reach

Compared to Panasonic DMC-FH1

Canon A3100 IS
Panasonic DMC-FH1
  • $85
  • 1/2.3 inch
  • $160
  • 1/2.33 inch
  • Longer stills battery life
  • Manual focus
Sony RX100 II
Panasonic DMC-FH1
  • $598
  • 1 inch
  • Focus peaking
  • Larger sensor
  • $160
  • 1/2.33 inch
  • More telephoto lens reach
  • Thinner

Compared to Canon A3000 IS

Canon A3100 IS
Canon A3000 IS
  • $85
  • 1/2.3 inch
  • More pixels
  • $108
  • 1/2.3 inch
  • Less expensive
Sony RX100 II
Canon A3000 IS
  • $598
  • 1 inch
  • Focus peaking
  • Larger sensor
  • $108
  • 1/2.3 inch
  • More telephoto lens reach
  • Thinner
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