• 1/2.3 inch 28.1mm2
  • 14.0 megapixels
  • 28.00mm - 110.00mm (35mm eq.)
  • 1/3 inch 17.3mm2
  • 10.1 megapixels
  • 29.00mm - 87.00mm (35mm eq.)

Buy From

Differences

Pentax RS1000 advantages over Nikon S31

  • Larger sensor
    1/2.3 inch vs 1/3 inch
    More sensor area. Bigger is (generally) better.
  • More telephoto lens reach
    110 mm vs 87 mm
    Capture objects farther away
  • Thinner
    20 mm vs 41 mm
    Thinner
  • Lighter weight
    130g vs 185g
    Lighter weight
  • More pixels
    14.0 vs 10.1 megapixels
    Higher resolution photos
  • Faster JPEG shooting
    3.2 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
    6400 vs 1600 ISO
    Higher extended ISO can give more low-light flexibility

Nikon S31 advantages over Pentax RS1000

  • Less expensive
    $120 vs $150 (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 210 shots
    Capture more photos

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
  • 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 Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • Touchscreen
    Neither provide
    Interact with your camera just like your smartphone
  • 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
  • HDMI out
    Neither provide
    Use HDMI output to monitor or review 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

Buy From

Your purchases support this site

Buy the Pentax RS1000

Your purchases support this site

Buy the Nikon S31
Nikon S31

Review Excerpt

The Competition

Compared to Nikon S4000

Pentax RS1000
Nikon S4000
  • $117
  • 1/2.3 inch
  • Less expensive
  • Internal flash
  • $200
  • 1/2.3 inch
  • More dots on screen

Compare Pentax RS1000 vs Nikon S4000

Nikon S31
Nikon S4000
  • $89
  • 1/3 inch
  • Less expensive
  • Waterproof
  • $200
  • 1/2.3 inch
  • Larger sensor
  • Bigger pixels

Compare Nikon S31 vs Nikon S4000

Compared to Nikon S4100

Pentax RS1000
Nikon S4100
  • $117
  • 1/2.3 inch
  • Less expensive
  • Higher extended ISO
  • $180
  • 1/2.3 inch
  • More telephoto lens reach
  • More dots on screen

Compare Pentax RS1000 vs Nikon S4100

Nikon S31
Nikon S4100
  • $89
  • 1/3 inch
  • Less expensive
  • Waterproof
  • $180
  • 1/2.3 inch
  • Larger sensor
  • More telephoto lens reach

Compare Nikon S31 vs Nikon S4100

Compared to Pentax RS1500

Pentax RS1000
Pentax RS1500
  • $117
  • 1/2.3 inch
  • $90
  • 1/2.3 inch
  • In-Camera Image Stabilization

Compare Pentax RS1000 vs Pentax RS1500

Nikon S31
Pentax RS1500
  • $89
  • 1/3 inch
  • Less expensive
  • Waterproof
  • $90
  • 1/2.3 inch
  • Larger sensor
  • In-Camera Image Stabilization

Compare Nikon S31 vs Pentax RS1500

Compared to Nikon S30

Pentax RS1000
Nikon S30
  • $117
  • 1/2.3 inch
  • Larger sensor
  • More telephoto lens reach
  • $120
  • 1/3 inch
  • Less expensive
  • Waterproof

Compare Pentax RS1000 vs Nikon S30

Nikon S31
Nikon S30
  • $89
  • 1/3 inch
  • Faster shutter
  • $120
  • 1/3 inch
  • Longer stills battery life

Compare Nikon S31 vs Nikon S30

Compared to Nikon S33

Pentax RS1000
Nikon S33
  • $117
  • 1/2.3 inch
  • Larger sensor
  • Bigger pixels
  • $109
  • 1/3.1 inch
  • Waterproof
  • Newer

Compare Pentax RS1000 vs Nikon S33

Nikon S31
Nikon S33
  • $89
  • 1/3 inch
  • Less expensive
  • Bigger pixels
  • $109
  • 1/3.1 inch
  • HDMI out
  • Shoots 1080p video

Compare Nikon S31 vs Nikon S33

Compare Other Cameras?