Updated (February, 2012): Compare the Canon PowerShot D20 vs Olympus TG-820 iHS

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Reasons to buy the Olympus Tough TG-810

Screen resolution
High resolution screen
920k dots
GPS
Built-in GPS
Great for travel
 

Reasons to buy the Canon PowerShot D20

High-speed framerate
High speed movies
240 fps
Supports 24p
24p movies
For that film look
Sensor type
CMOS Sensor
Better in low light
Panorama
In-camera panoramas
Stitches together multiple photos into a panorama
 
Differences | Recommendations | Similarities | Competitors | Appearance | Discussion

differences

Advantages of the Canon D20

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Supports 24p Supports 24p Yes vs No
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Get that real film feel
Movie format Higher resolution movies 1080p @ 24fps vs 720p @ 30fps
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Shoots higher resolution Full HD (1080p) video but at a lower frame rate
High-speed framerate Records high-speed movies 240 fps vs None
Help
Capture events too fast for the naked eye and play them back in super-slow motion
Sensor type Has a CMOS-family sensor CMOS vs CCD
Help
CMOS-family sensors often produce better quality images
Panorama Can create panoramas in-camera Yes vs No
Help
Stitches together multiple photos for a wide perspective
Image stabilization Better image stabilization Lens vs Sensor shift, Digital
Help
Less risk of blur
Macro focus Better macro capability 1 cm vs 3 cm
Help
Focus on subjects 3x closer to the lens
Light sensitivity Better maximum light sensitivity 3,200 ISO vs 1,600 ISO
Help
The D20's maximum light sensitivity is 1 f-stop better
Longest exposure Longer exposures 15s vs 4s
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Around 4x longer exposures
Lowest price Slightly cheaper $169.99 vs $249.00
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The best price we've seen is $79 cheaper (more than 30% less)
Canon PowerShot D20 Learn more about
the Canon D20

Advantages of the Olympus TG-810

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Screen resolution Significantly higher resolution screen 920k dots vs 461k dots
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Around 2x higher resolution screen
Size Smaller 100x65x26 mm vs 112x71x28 mm
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More than 20% smaller
Thickness Slightly thinner 1" vs 1.1"
Help
Around 10% thinner
Weight Slightly lighter 221 g vs 228 g
Help
Almost the same
Olympus Tough TG-810 Learn more about
the Olympus TG-810
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recommendations

Which camera do we recommend? Relative to the best recent waterproof cameras, and ignoring price

Canon PowerShot D20 Canon PowerShot D20 71
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        72 Olympus Tough TG-810 Olympus Tough TG-810
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              similarities

              Compared to recent compacts

              Common Strengths Common Weaknesses
              GPS Built-in GPS Help
              Great for travel
              Waterproof Waterproof Help
              Great at the beach
              Weight Heavy Help
              D20:228 g
              TG-810:221 g
              Supports RAW No RAW support Help
              Less editing fidelity
              HDR Neither has in-camera HDR Help
              You could do HDR manually
              Aperture Very narrow widest aperture size Help
              f/3.9
              Wide angle Poor wide angle Help
              28 mm
              Zoom Poor zoom Help
              5x

              Compared to recent waterproof cameras

              Common Strengths Common Weaknesses
              Built-in flash Each has a built-in flash Help
              Usually standard
              Screen size Larger than average screens Help
              3.0"
              Image stabilization Good image stabilization Help
              D20:Lens
              TG-810:Sensor shift, Digital
              Thickness Thin Help
              D20:1.1"
              TG-810:1"
              External mic jack Neither has an external mic jack Help
              Limited to the in-camera mic

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Nikon Coolpix AW100

              Nikon Coolpix AW100

              Waterproof

              $279

              HDR Has in-camera HDR
              Weight Is slightly lighter
              GoPro HERO3 Black Edition

              GoPro HERO3 Black Edition

              Waterproof

              Aperture Has a significantly wider aperture
              Movie format Records higher quality movies
              GPS Doesn't have a built-in GPS
              Image stabilization Doesn't have image stabilization
              Sony Cyber-shot DSC-TX30

              Sony Cyber-shot DSC-TX30

              Waterproof

              $198 - $212

              Aperture Has a slightly wider aperture
              Screen size Has a slightly larger screen
              GPS Doesn't have a built-in GPS
              Olympus Tough TG-850 iHS

              Olympus Tough TG-850 iHS

              Waterproof

              $199 - $250

              Aperture Has a slightly wider aperture
              Wide angle Has a significantly wider wide angle lens
              GPS Doesn't have a built-in GPS
              Panasonic Lumix DMC-TS3

              Panasonic Lumix DMC-TS3

              Waterproof

              $372

              Aperture Has a slightly wider aperture
              3D Captures 3D images
              Lowest price Is slightly more expensive
              Macro focus Significantly worse macro focusing
              Olympus Stylus Tough TG-3

              Olympus Stylus Tough TG-3

              Waterproof

              $349 - $440

              Aperture Has a much wider aperture
              Wide angle Has a slightly wider wide angle lens
              Lowest price Is slightly more expensive
              Thickness Is thicker
              Olympus Stylus Tough TG-2 iHS

              Olympus Stylus Tough TG-2 iHS

              Waterproof

              $310

              Aperture Has a much wider aperture
              Wide angle Has a slightly wider wide angle lens
              Lowest price Is slightly more expensive
              Size Is slightly larger

              Canon PowerShot D20 Competitors

              Advantages

              Disadvantages

              Canon PowerShot D30

              Canon PowerShot D30

              Waterproof

              $299 - $343

              Size Smaller
              Battery life Slightly longer battery life
              Panorama Lacks in-camera panoramic stitching
              Lowest price More expensive
              Nikon Coolpix AW120

              Nikon Coolpix AW120

              Waterproof

              $229 - $340

              Aperture Significantly wider aperture
              Screen type Has an OLED screen
              Supports 24p No 24p support
              Light sensitivity Worse maximum light sensitivity
              Nikon Coolpix AW110

              Nikon Coolpix AW110

              Waterproof

              $247 - $266

              Screen type Has an OLED screen
              3D Takes 3D photos
              Supports 24p No 24p support
              Battery life Shorter battery life
              Fujifilm FinePix XP70

              Fujifilm FinePix XP70

              Waterproof

              $145 - $169

              HDR Has in-camera HDR
              Size Smaller
              Supports 24p No 24p support
              Macro focus Much worse macro capability

              Olympus Tough TG-810 Competitors

              Advantages

              Disadvantages

              Olympus TG-820 iHS

              Olympus TG-820

              Waterproof

              $238

              3D Takes 3D photos
              Movie format Higher resolution movies
              GPS No built-in GPS
              Olympus Stylus Tough 8010

              Olympus Stylus Tough 8010

              Waterproof

              $349

              Size Smaller
              Macro focus Better macro capability
              Screen resolution Much lower resolution screen
              Screen size Smaller screen
              Olympus Tough TG-830 iHS

              Olympus Tough TG-830 iHS

              Waterproof

              $279 - $309

              Movie format Higher resolution movies
              High-speed framerate Records high-speed movies
              Screen resolution Significantly lower resolution screen
              Size Larger
              Olympus TG-610

              Olympus TG-610

              Waterproof

              $379

              Continuous shooting Shoots faster
              Weight Lighter
              GPS No built-in GPS
              Lowest price More expensive
              Fujifilm FinePix XP60

              Fujifilm FinePix XP60

              Waterproof

              $160 - $169

              3D Takes 3D photos
              Movie format Higher resolution movies
              Screen resolution Much lower resolution screen
              Macro focus Much worse macro capability

              appearance

              Canon PowerShot D20 Olympus Tough TG-810
              Canon PowerShot D20 Olympus Tough TG-810
              Canon PowerShot D20 Olympus Tough TG-810

              discussion

              Canon PowerShot D20
              PowerShot D20
              Canon

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              Olympus Tough TG-810
              Tough TG-810
              Olympus

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