• 1 inch 116.2mm2
  • 20.2 megapixels
  • 28.00mm - 100.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 20.2 megapixels
  • 24.00mm - 840.00mm (35mm eq.)

Buy From

Differences

Sony RX100 advantages over Nikon A900

  • 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 1.19 microns
    Better low-light and dynamic range (all else equal)
  • Larger lens aperture
    f/1.8 vs f/3.4
    Take photos in low-light or isolate your subject
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Longer stills battery life
    More info 330 vs 270 shots
    Capture more photos
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Higher-res screen
    307k vs 230k pixels
    More detail on the screen lets you judge focus and composition
  • Has anti-aliasing filter
    Filter vs No Filter
    Reduces unsightly moiré in photos
  • Longer exposure
    30 vs 8 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    10.0 fps vs 7.0 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    13 vs 7 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    25600 vs 3200 ISO
    Higher extended ISO can give more low-light flexibility

Nikon A900 advantages over Sony RX100

  • Shoot 4K video
    4K (UHD) vs 1080p
    Make sure you have a fast computer
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Yes vs No
    Always-on wireless connectivity
  • More telephoto lens reach
    840 mm vs 100 mm
    Capture objects farther away
  • Newer
    9 years vs 12 years old
    Newer cameras often support more advanced features
  • Wider angle lens
    24 mm vs 28 mm
    Capture more of the scene
  • Lacks anti-aliasing filter
    No Filter vs Filter
    Enjoy sharper photos
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/4000 vs 1/2000 sec
    Shoot wide open in bright light

Similarities

Common Strengths

  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • In-camera panoramas
    Both provide
    Stitches multiple shots into a panoramic photo
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video

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 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
  • Hot shoe
    Neither provide
    Off-camera flashes open new possibilities
  • Headphone jack
    Neither provide
    Monitor audio recording while you shoot video

User reviews

Buy From

Your purchases support this site

Buy the Sony RX100

Your purchases support this site

Buy the Nikon A900

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.

The Competition

Compared to Sony RX100 II

Sony RX100
Sony RX100 II
  • $1074
  • 1 inch
  • Faster RAW shooting
  • $598
  • 1 inch
  • Tiltable Screen
  • Built-in Wi-Fi
Nikon A900
Sony RX100 II
  • $397
  • 1/2.3 inch
  • Less expensive
  • Shoot 4K video
  • $598
  • 1 inch
  • Focus peaking
  • Larger sensor

Compared to Sony RX100 III

Sony RX100
Sony RX100 III
  • $1074
  • 1 inch
  • More telephoto lens reach
  • Faster RAW shooting
  • $748
  • 1 inch
  • Eye-level viewfinder
  • Tiltable Screen
Nikon A900
Sony RX100 III
  • $397
  • 1/2.3 inch
  • Less expensive
  • Shoot 4K video
  • $748
  • 1 inch
  • Focus peaking
  • Larger sensor

Compared to Canon G7X

Sony RX100
Canon G7X
  • $1074
  • 1 inch
  • In-camera panoramas
  • Longer stills battery life
  • $1239
  • 1 inch
  • Touchscreen
  • Tiltable Screen
Nikon A900
Canon G7X
  • $397
  • 1/2.3 inch
  • Shoot 4K video
  • In-camera panoramas
  • $1239
  • 1 inch
  • Focus peaking
  • Larger sensor

Compared to Panasonic ZS60

Sony RX100
Panasonic ZS60
  • $1074
  • 1 inch
  • Larger sensor
  • Bigger pixels
  • $448
  • 1/2.3 inch
  • Eye-level viewfinder
  • Shoot 4K video
Nikon A900
Panasonic ZS60
  • $397
  • 1/2.3 inch
  • Tiltable Screen
  • NFC
  • $448
  • 1/2.3 inch
  • Focus peaking
  • Slower slow-motion

Compared to Canon SX730 HS

Sony RX100
Canon SX730 HS
  • $1074
  • 1 inch
  • Focus peaking
  • Larger sensor
  • $399
  • 1/2.3 inch
  • Tiltable Screen
  • Built-in Wi-Fi
Nikon A900
Canon SX730 HS
  • $397
  • 1/2.3 inch
  • Shoot 4K video
  • In-camera panoramas
  • $399
  • 1/2.3 inch
  • Manual focus
  • Higher-res screen
Compare Other Cameras?