• 1/2.3 inch 28.1mm2
  • 16.2 megapixels
  • 25.00mm - 100.00mm (35mm eq.)
  • 1/3 inch 17.3mm2
  • 10.1 megapixels
  • 29.00mm - 87.00mm (35mm eq.)

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Differences

Sony TX20 advantages over Nikon S31

  • Larger sensor
    1/2.3 inch vs 1/3 inch
    More sensor area. Bigger is (generally) better.
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Thinner
    17 mm vs 41 mm
    Thinner
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Lighter weight
    133g vs 185g
    Lighter weight
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    16.2 vs 10.1 megapixels
    Higher resolution photos
  • Wider angle lens
    25 mm vs 29 mm
    Capture more of the scene
  • Faster JPEG shooting
    10.0 fps vs 1.5 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    10 vs 4 shots
    Take more JPEG shots before waiting (burst mode)
  • Higher extended ISO
    3200 vs 1600 ISO
    Higher extended ISO can give more low-light flexibility

Nikon S31 advantages over Sony TX20

  • Less expensive
    $120 vs $330 (MSRP)
    Save money for lenses or accessories

Similarities

Common Strengths

  • Waterproof
    Both provide
    Take photos underwater without destroying your camera!
  • Internal flash
    Both provide
    Useful in a pinch for fill flash

Common Weaknesses

  • Focus peaking
    Neither provide
    Your camera will highlight what's in focus
  • 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
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • RAW file ability
    Neither provide
    Gives you more flexibility to develop your photos later
  • Built-in Wi-Fi
    Neither provide
    Share your photos wirelessly
  • 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
  • Manual focus
    Neither provide
    AF is for the weak. Real photographers focus manually.
  • 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
  • Bulb shutter
    Neither provide
    Hold the shutter open manually for long exposures
  • Slow-motion videos
    Neither provide
    Shoot slow-motion videos

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Your purchases support this site

Review Excerpt

  • Sleek, stylish, slender design; Easy to handle and fast to shoot; Good print quality at up to 13 x 19 inches; Low shutter lag; 10fps burst mode.

  • Touchscreen display is hard to see and use in bright light; Inconsistent image exposure; Mild distortion problems; no GPS.

The Competition

Compared to Sony DSC-TX100V

Sony TX20
Sony DSC-TX100V
  • $370
  • 1/2.3 inch
  • Less expensive
  • Waterproof
  • $282
  • 1/2.3 inch
  • More dots on screen
  • Shoots 1080p video
Nikon S31
Sony DSC-TX100V
  • $89
  • 1/3 inch
  • Less expensive
  • Waterproof
  • $282
  • 1/2.3 inch
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Sony DSC-T110

Sony TX20
Sony DSC-T110
  • $370
  • 1/2.3 inch
  • Waterproof
  • Touchscreen
  • $220
  • 1/2.3 inch
  • Less expensive
Nikon S31
Sony DSC-T110
  • $89
  • 1/3 inch
  • Less expensive
  • Waterproof
  • $220
  • 1/2.3 inch
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Sony TX200V

Sony TX20
Sony TX200V
  • $370
  • 1/2.3 inch
  • Less expensive
  • Longer exposure
  • $363
  • 1/2.3 inch
  • More telephoto lens reach
  • Manual focus
Nikon S31
Sony TX200V
  • $89
  • 1/3 inch
  • Less expensive
  • Longer exposure
  • $363
  • 1/2.3 inch
  • Larger sensor
  • In-Camera Image Stabilization

Compared to Nikon S30

Sony TX20
Nikon S30
  • $370
  • 1/2.3 inch
  • Larger sensor
  • In-Camera Image Stabilization
  • $120
  • 1/3 inch
  • Less expensive
  • Longer stills battery life
Nikon S31
Nikon S30
  • $89
  • 1/3 inch
  • Faster shutter
  • $120
  • 1/3 inch
  • Longer stills battery life

Compared to Nikon S33

Sony TX20
Nikon S33
  • $370
  • 1/2.3 inch
  • Larger sensor
  • In-Camera Image Stabilization
  • $109
  • 1/3.1 inch
  • Less expensive
  • Shoots 1080p video
Nikon S31
Nikon S33
  • $89
  • 1/3 inch
  • Less expensive
  • Bigger pixels
  • $109
  • 1/3.1 inch
  • HDMI out
  • Shoots 1080p video
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