• 1/2.3 inch 28.1mm2
  • 12.1 megapixels
  • 28.00mm - 140.00mm (35mm eq.)
  • 1/2.3 inch 28.1mm2
  • 16.0 megapixels
  • 25.00mm - 100.00mm (35mm eq.)

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Differences

Canon D20 advantages over Olympus TG-4

  • Bigger pixels
    ~ 1.54 vs 1.34 microns
    Better low-light and dynamic range (all else equal)
  • More telephoto lens reach
    140 mm vs 100 mm
    Capture objects farther away
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Longer exposure
    15 vs 4 sec
    Long exposures for night shots

Olympus TG-4 advantages over Canon D20

  • In-camera panoramas
    Yes vs No
    Stitches multiple shots into a panoramic photo
  • Larger lens aperture
    f/2.0 vs f/3.9
    Take photos in low-light or isolate your subject
  • RAW file ability
    Yes vs No
    Gives you more flexibility to develop your photos later
  • Fast startup
    ~1.00 vs 1.6 sec
    Faster startup lets you catch the moment
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • Built-in GPS
    GPS vs None
    Geotag your photos
  • Longer stills battery life
    More info 380 vs 280 shots
    Capture more photos
  • Manual focus
    Yes vs No
    AF is for the weak. Real photographers focus manually.
  • More pixels
    16.0 vs 12.1 megapixels
    Higher resolution photos
  • Wider angle lens
    25 mm vs 28 mm
    Capture more of the scene
  • Faster JPEG shooting
    5.1 fps vs 1.9 fps
    Faster JPEG shooting (burst mode)
  • 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

  • Waterproof
    Both provide
    Take photos underwater without destroying your camera!
  • In-Camera Image Stabilization
    Both provide
    Reduces the effects of camera shake at slower shutter speeds
  • Internal flash
    Both provide
    Useful in a pinch for fill flash
  • HDMI out
    Both provide
    Use HDMI output to monitor or review video

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
  • Tiltable Screen
    Neither provide
    Tilt the screen for shooting flexbility
  • 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
  • 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 Canon D20
Canon D20
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Your purchases support this site

Buy the Olympus TG-4
Olympus TG-4 (Black)
  • Olympus TG-4 (Black)
  • Olympus TG-4 (Red)
All TG-4 Deals

Review Excerpt

  • Good still and video image quality; Attractive, comfortable design; 3-inch LCD monitor that's easy to view in even bright sunlight.

  • Feature set lags behind current (2013) models; Performance average at best; Poor wide-angle optical quality; High chromatic aberration and corner softness.

  • Read our Canon D20 Express Review

  • Rugged and waterproof camera body; RAW image capture; fast f/2.0 maximum aperture; fun shooting modes; fast AF speeds for its class.

  • Heavy noise reduction, even at base ISO; no continuous RAW image capture; underwhelming video performance.

  • Read our Olympus TG-4 Review

The Competition

Compared to Fujifilm XP150

Canon D20
Fujifilm XP150
  • $330
  • 1/2.3 inch
  • HDMI out
  • Shoots 24p video
  • $272
  • 1/2.3 inch
  • Less expensive
  • More pixels

Compare Canon D20 vs Fujifilm XP150

Olympus TG-4
Fujifilm XP150
  • $452
  • 1/2.3 inch
  • In-camera panoramas
  • Larger lens aperture
  • $272
  • 1/2.3 inch
  • More telephoto lens reach

Compare Olympus TG-4 vs Fujifilm XP150

Compared to Olympus TG-830

Canon D20
Olympus TG-830
  • $330
  • 1/2.3 inch
  • Bigger pixels
  • Shoots 24p video
  • $254
  • 1/2.3 inch
  • Less expensive
  • Built-in GPS

Compare Canon D20 vs Olympus TG-830

Olympus TG-4
Olympus TG-830
  • $452
  • 1/2.3 inch
  • In-camera panoramas
  • Larger lens aperture
  • $254
  • 1/2.3 inch
  • More telephoto lens reach
  • Faster JPEG shooting

Compare Olympus TG-4 vs Olympus TG-830

Compared to Canon D30

Canon D20
Canon D30
  • $330
  • 1/2.3 inch
  • $299
  • 1/2.3 inch
  • Built-in GPS

Compare Canon D20 vs Canon D30

Olympus TG-4
Canon D30
  • $452
  • 1/2.3 inch
  • In-camera panoramas
  • Larger lens aperture
  • $299
  • 1/2.3 inch
  • Bigger pixels
  • More telephoto lens reach

Compare Olympus TG-4 vs Canon D30

Compared to Olympus TG-3

Canon D20
Olympus TG-3
  • $330
  • 1/2.3 inch
  • Bigger pixels
  • More telephoto lens reach
  • $349
  • 1/2.3 inch
  • In-camera panoramas
  • Larger lens aperture

Compare Canon D20 vs Olympus TG-3

Olympus TG-4
Olympus TG-3
  • $452
  • 1/2.3 inch
  • RAW file ability
  • Manual focus
  • $349
  • 1/2.3 inch

Compare Olympus TG-4 vs Olympus TG-3

Compared to Ricoh WG-5 GPS

Canon D20
Ricoh WG-5 GPS
  • $330
  • 1/2.3 inch
  • Bigger pixels
  • More telephoto lens reach
  • $297
  • 1/2.3 inch
  • In-camera panoramas
  • Larger lens aperture

Compare Canon D20 vs Ricoh WG-5 GPS

Olympus TG-4
Ricoh WG-5 GPS
  • $452
  • 1/2.3 inch
  • Slower slow-motion
  • RAW file ability
  • $297
  • 1/2.3 inch
  • Shoots 60p video
  • Faster shutter

Compare Olympus TG-4 vs Ricoh WG-5 GPS

Compare Other Cameras?