• 1/2.5 inch 24.7mm2
  • 8.0 megapixels
  • 35.00mm - 140.00mm (35mm eq.)
  • 1/3 inch 17.3mm2
  • 10.1 megapixels
  • 29.00mm - 87.00mm (35mm eq.)

Buy From

Differences

Canon A590 IS advantages over Nikon S31

  • Larger sensor
    1/2.5 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
  • Bigger pixels
    ~ 1.76 vs 1.32 microns
    Better low-light and dynamic range (all else equal)
  • Larger lens aperture
    f/2.6 vs f/3.3
    Take photos in low-light or isolate your subject
  • More telephoto lens reach
    140 mm vs 87 mm
    Capture objects farther away
  • Longer stills battery life
    More info 450 vs 260 shots
    Capture more photos
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • Longer exposure
    15 vs 4 sec
    Long exposures for night shots
  • Bigger JPEG buffer
    Unlimited vs 4 shots
    Take more JPEG shots before waiting (burst mode)

Nikon S31 advantages over Canon A590 IS

  • Less expensive
    $120 vs $180 (MSRP)
    Save money for lenses or accessories
  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • Newer
    12 years vs 17 years old
    Newer cameras often support more advanced features
  • More dots on screen
    230k vs 115k dots
    Can mean greater resolution or a brighter screen
  • More pixels
    10.1 vs 8.0 megapixels
    Higher resolution photos
  • Wider angle lens
    29 mm vs 35 mm
    Capture more of the scene
  • Faster JPEG shooting
    1.5 fps vs 1.0 fps
    Faster JPEG shooting (burst mode)

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
  • 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
  • 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

Review Excerpt

The Competition

Compared to Canon A580

Canon A590 IS
Canon A580
  • $219
  • 1/2.5 inch
  • In-Camera Image Stabilization
  • Less shutter lag
  • $150
  • 1/2.5 inch
  • Less expensive
  • Fast startup
Nikon S31
Canon A580
  • $89
  • 1/3 inch
  • Less expensive
  • Waterproof
  • $150
  • 1/2.5 inch
  • Larger sensor
  • Eye-level viewfinder

Compared to Canon E1

Canon A590 IS
Canon E1
  • $219
  • 1/2.5 inch
  • Manual focus
  • Bigger JPEG buffer
  • $200
  • 1/2.3 inch
  • Larger sensor
  • Thinner
Nikon S31
Canon E1
  • $89
  • 1/3 inch
  • Less expensive
  • Waterproof
  • $200
  • 1/2.3 inch
  • Larger sensor
  • Eye-level viewfinder

Compared to Canon A1000 IS

Canon A590 IS
Canon A1000 IS
  • $219
  • 1/2.5 inch
  • Manual focus
  • Bigger JPEG buffer
  • $200
  • 1/2.3 inch
  • Larger sensor
  • Thinner
Nikon S31
Canon A1000 IS
  • $89
  • 1/3 inch
  • Less expensive
  • Waterproof
  • $200
  • 1/2.3 inch
  • Larger sensor
  • Eye-level viewfinder

Compared to Nikon S30

Canon A590 IS
Nikon S30
  • $219
  • 1/2.5 inch
  • Larger sensor
  • Eye-level viewfinder
  • $120
  • 1/3 inch
  • Less expensive
  • Waterproof
Nikon S31
Nikon S30
  • $89
  • 1/3 inch
  • Faster shutter
  • $120
  • 1/3 inch
  • Longer stills battery life

Compared to Nikon S33

Canon A590 IS
Nikon S33
  • $219
  • 1/2.5 inch
  • Larger sensor
  • Eye-level viewfinder
  • $109
  • 1/3.1 inch
  • Less expensive
  • Waterproof
Nikon S31
Nikon S33
  • $89
  • 1/3 inch
  • Less expensive
  • Bigger pixels
  • $109
  • 1/3.1 inch
  • HDMI out
  • Shoots 1080p video
Compare Other Cameras?