• 1/2.3 inch 28.1mm2
  • 16.1 megapixels
  • 25.00mm - 125.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 21.00mm - 105.00mm (35mm eq.)

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Differences

Samsung ST66 advantages over Olympus TG-870

  • Larger lens aperture
    f/2.5 vs f/3.5
    Take photos in low-light or isolate your subject
  • More telephoto lens reach
    125 mm vs 105 mm
    Capture objects farther away
  • Thinner
    16 mm vs 27 mm
    Thinner
  • Lighter weight
    101g vs 221g
    Lighter weight
  • Longer exposure
    8 vs 4 sec
    Long exposures for night shots

Olympus TG-870 advantages over Samsung ST66

  • Waterproof
    Yes vs No
    Take photos underwater without destroying your camera!
  • In-Camera Image Stabilization
    Yes vs No
    Reduces the effects of camera shake at slower shutter speeds
  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Tiltable Screen
    Tiltable vs Fixed
    Tilt the screen for shooting flexbility
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Newer
    8 years vs 12 years old
    Newer cameras often support more advanced features
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • More dots on screen
    920k 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
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Wider angle lens
    21 mm vs 25 mm
    Capture more of the scene
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Higher extended ISO
    6400 vs 3200 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
  • 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
  • RAW file ability
    Neither provide
    Gives you more flexibility to develop your photos later
  • NFC
    Neither provide
    Simplifies pairing your camera with supported phones
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • 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

User reviews

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Buy the Samsung ST66

Your purchases support this site

Buy the Olympus TG-870

Review Excerpt

The Competition

Compared to Samsung DV300F

Samsung ST66
Samsung DV300F
  • $230
  • 1/2.3 inch
  • Less expensive
  • $300
  • 1/2.3 inch
  • In-Camera Image Stabilization
  • Built-in Wi-Fi
Olympus TG-870
Samsung DV300F
  • $279
  • 1/2.3 inch
  • Waterproof
  • In-camera panoramas
  • $300
  • 1/2.3 inch
  • Larger lens aperture
  • More telephoto lens reach

Compared to Sony WX50

Samsung ST66
Sony WX50
  • $230
  • 1/2.3 inch
  • Less expensive
  • Longer exposure
  • $227
  • 1/2.3 inch
  • In-Camera Image Stabilization
  • Manual focus
Olympus TG-870
Sony WX50
  • $279
  • 1/2.3 inch
  • Waterproof
  • In-camera panoramas
  • $227
  • 1/2.3 inch
  • Larger lens aperture
  • More telephoto lens reach

Compared to Samsung ST72

Samsung ST66
Samsung ST72
  • $230
  • 1/2.3 inch
  • $179
  • 1/2.3 inch
Olympus TG-870
Samsung ST72
  • $279
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
  • $179
  • 1/2.3 inch
  • Larger lens aperture
  • More telephoto lens reach

Compared to Olympus TG-850

Samsung ST66
Olympus TG-850
  • $230
  • 1/2.3 inch
  • Less expensive
  • Larger lens aperture
  • $249
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
Olympus TG-870
Olympus TG-850
  • $279
  • 1/2.3 inch
  • Built-in Wi-Fi
  • Built-in GPS
  • $249
  • 1/2.3 inch

Compared to Olympus TG-860

Samsung ST66
Olympus TG-860
  • $230
  • 1/2.3 inch
  • Less expensive
  • Larger lens aperture
  • $230
  • 1/2.3 inch
  • Waterproof
  • In-Camera Image Stabilization
Olympus TG-870
Olympus TG-860
  • $279
  • 1/2.3 inch
  • More dots on screen
  • $230
  • 1/2.3 inch
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