• 1/3 inch 17.3mm2
  • 10.1 megapixels
  • 29.00mm - 87.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 18.1 megapixels
  • 24.00mm - 1000.00mm (35mm eq.)

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Differences

Nikon S31 advantages over Nikon P520

  • Less expensive
    $120 vs $450 (MSRP)
    Save money for lenses or accessories
  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • Longer stills battery life
    More info 260 vs 200 shots
    Capture more photos
  • Thinner
    41 mm vs 101 mm
    Thinner
  • Lighter weight
    185g vs 550g
    Lighter weight

Nikon P520 advantages over Nikon S31

  • Larger sensor
    1/2.3 inch vs 1/3 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
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • More telephoto lens reach
    1,000 mm vs 87 mm
    Capture objects farther away
  • Built-in GPS
    GPS vs None
    Geotag your 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
  • More dots on screen
    921k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • More pixels
    18.1 vs 10.1 megapixels
    Higher resolution photos
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Wider angle lens
    24 mm vs 29 mm
    Capture more of the scene
  • Longer exposure
    8 vs 4 sec
    Long exposures for night shots
  • Faster JPEG shooting
    7.0 fps vs 1.5 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    7 vs 4 shots
    Take more JPEG shots before waiting (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/4000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    6400 vs 1600 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • 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
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • 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
  • Bulb shutter
    Neither provide
    Hold the shutter open manually for long exposures

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Review Excerpt

The Competition

Compared to Nikon S30

Nikon S31
Nikon S30
  • $89
  • 1/3 inch
  • Faster shutter
  • $120
  • 1/3 inch
  • Longer stills battery life
Nikon P520
Nikon S30
  • $427
  • 1/2.3 inch
  • Larger sensor
  • Eye-level viewfinder
  • $120
  • 1/3 inch
  • Less expensive
  • Waterproof

Compared to Nikon P510

Nikon S31
Nikon P510
  • $89
  • 1/3 inch
  • Less expensive
  • Waterproof
  • $649
  • 1/2.3 inch
  • Larger sensor
  • Eye-level viewfinder
Nikon P520
Nikon P510
  • $427
  • 1/2.3 inch
  • Built-in Wi-Fi
  • Built-in GPS
  • $649
  • 1/2.3 inch
  • Longer stills battery life
  • Higher extended ISO

Compared to Nikon P530

Nikon S31
Nikon P530
  • $89
  • 1/3 inch
  • Waterproof
  • Thinner
  • $279
  • 1/2.3 inch
  • Larger sensor
  • Eye-level viewfinder
Nikon P520
Nikon P530
  • $427
  • 1/2.3 inch
  • Tiltable Screen
  • Built-in Wi-Fi
  • $279
  • 1/2.3 inch
  • Longer stills battery life
  • Shoots 24p video

Compared to Nikon S33

Nikon S31
Nikon S33
  • $89
  • 1/3 inch
  • Bigger pixels
  • $129
  • 1/3.1 inch
  • HDMI out
  • Shoots 1080p video
Nikon P520
Nikon S33
  • $427
  • 1/2.3 inch
  • Larger sensor
  • Eye-level viewfinder
  • $129
  • 1/3.1 inch
  • Waterproof
  • Thinner

Compared to Nikon W100

Nikon S31
Nikon W100
  • $89
  • 1/3 inch
  • Bigger pixels
  • $157
  • 1/3.1 inch
  • Built-in Wi-Fi
  • Built-in Bluetooth
Nikon P520
Nikon W100
  • $427
  • 1/2.3 inch
  • Larger sensor
  • Eye-level viewfinder
  • $157
  • 1/3.1 inch
  • Waterproof
  • Built-in Bluetooth
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