• 1/2.33 inch 28.2mm2
  • 12.0 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • APS-C 369.0mm2
  • 14.8 megapixels
  • 45.00mm (35mm eq.)

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Differences

Nikon S640 advantages over Sigma DP2 Merrill

  • Less expensive
    $250 vs $1000 (MSRP)
    Save money for lenses or accessories
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • More telephoto lens reach
    140 mm vs 45 mm
    Capture objects farther away
  • Longer stills battery life
    More info 270 vs 97 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • Thinner
    20 mm vs 58 mm
    Thinner
  • Lighter weight
    110g vs 355g
    Lighter weight
  • Wider angle lens
    28 mm vs 45 mm
    Capture more of the scene

Sigma DP2 Merrill advantages over Nikon S640

  • Larger sensor
    APS-C vs 1/2.33 inch
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.00 vs 1.53 microns
    Better low-light and dynamic range (all else equal)
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • More dots on screen
    922k vs 230k dots
    Can mean greater resolution or a brighter screen
  • Hot shoe
    Hot shoe vs None
    Off-camera flashes open new possibilities
  • More pixels
    14.8 vs 12.0 megapixels
    Higher resolution photos

Similarities

Common Strengths

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
  • 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
  • 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
  • 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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Sigma DP2 Merrill

Review Excerpt

The Competition

Compared to Pentax P80

Nikon S640
Pentax P80
  • $250
  • 1/2.33 inch
  • More telephoto lens reach
  • Longer stills battery life
  • $200
  • 1/2.3 inch
  • Less expensive
  • Manual focus

Compare Nikon S640 vs Pentax P80

Sigma DP2 Merrill
Pentax P80
  • $3194
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $200
  • 1/2.3 inch
  • Less expensive
  • In-Camera Image Stabilization

Compare Sigma DP2 Merrill vs Pentax P80

Compared to Nikon S570

Nikon S640
Nikon S570
  • $250
  • 1/2.33 inch
  • In-Camera Image Stabilization
  • Longer stills battery life
  • $180
  • 1/2.3 inch
  • Less expensive

Compare Nikon S640 vs Nikon S570

Sigma DP2 Merrill
Nikon S570
  • $3194
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $180
  • 1/2.3 inch
  • Less expensive
  • More telephoto lens reach

Compare Sigma DP2 Merrill vs Nikon S570

Compared to Nikon S5100

Nikon S640
Nikon S5100
  • $250
  • 1/2.33 inch
  • In-Camera Image Stabilization
  • Longer stills battery life
  • $149
  • 1/2.3 inch
  • Less expensive

Compare Nikon S640 vs Nikon S5100

Sigma DP2 Merrill
Nikon S5100
  • $3194
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $149
  • 1/2.3 inch
  • Less expensive
  • More telephoto lens reach

Compare Sigma DP2 Merrill vs Nikon S5100

Compared to Sony DSC-W530

Nikon S640
Sony DSC-W530
  • $250
  • 1/2.33 inch
  • In-Camera Image Stabilization
  • More telephoto lens reach
  • $150
  • 1/2.3 inch
  • Less expensive
  • More pixels

Compare Nikon S640 vs Sony DSC-W530

Sigma DP2 Merrill
Sony DSC-W530
  • $3194
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $150
  • 1/2.3 inch
  • Less expensive
  • More telephoto lens reach

Compare Sigma DP2 Merrill vs Sony DSC-W530

Compared to Olympus VG-120

Nikon S640
Olympus VG-120
  • $250
  • 1/2.33 inch
  • In-Camera Image Stabilization
  • Longer stills battery life
  • $121
  • 1/2.3 inch
  • Less expensive
  • More pixels

Compare Nikon S640 vs Olympus VG-120

Sigma DP2 Merrill
Olympus VG-120
  • $3194
  • APS-C
  • Larger sensor
  • Bigger pixels
  • $121
  • 1/2.3 inch
  • Less expensive
  • More telephoto lens reach

Compare Sigma DP2 Merrill vs Olympus VG-120

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