Updated (February, 2013): Compare the Olympus TG-820 iHS vs Sony Cyber-shot DSC-TX30

Sony Cyber-shot DSC-TX20 vs Olympus TG-820

Winner
Sony Cyber-shot DSC-TX20

76

Olympus TG-820 iHS

73

Runner-up

Reasons to buy the Sony Cyber-shot DSC-TX20

Really small
Size
Ultra compact 96x56x18 mm
Touch screen
Touch screen
Less buttons
Rapid fire
Continuous shooting
10 fps
Thin
Thickness
0.7"
 

Reasons to buy the Olympus TG-820

Screen resolution
High resolution screen
1,030k dots
3D
Takes 3D photos
View photos in 3D on 3D televisions

differences

Advantages of the Olympus TG-820

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Light sensitivity
Better maximum light sensitivity
6,400 ISO vs 3,200 ISO
Help
The TG-820's maximum light sensitivity is 1 f-stop better
Screen resolution
Higher resolution screen
1,030k dots vs 921k dots
Help
More than 10% higher resolution screen
Fastest shutter speed
Faster max shutter speed
1/2000s vs 1/1600s
Help
20% faster max shutter speed
Olympus TG-820 iHS Learn more about
the Olympus TG-820

Advantages of the Sony DSC-TX20

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Touch screen
Has a touch screen
Yes vs No
Help
Fewer buttons to worry about and direct interaction with camera menus
Aperture
Wider aperture
f/3.5 vs f/3.9
Help
At its widest zoom, the DSC-TX20's lens captures marginally more light (0.3 f-stops)
Wide angle
Better wide angle
25 mm vs 28 mm
Help
More than 10% better wide angle
Size
Smaller
96x56x18 mm vs 96x63x23 mm
Help
More than 30% smaller
Image stabilization
Better image stabilization
Lens vs Sensor shift
Help
Less risk of blur
Continuous shooting
Shoots faster
10 fps vs 5 fps
Help
2x faster continuous shooting
Battery life
Longer battery life
250 shots vs 220 shots
Help
More than 10% more shots per battery charge
Thickness
Thinner
0.7" vs 0.9"
Help
More than 20% thinner
Weight
Lighter
133 g vs 155 g
Help
More than 10% lighter
Lowest price
Cheaper
$187.09 vs $309.99
Help
The best price we've seen is $123 cheaper (around 40% less)
Sony Cyber-shot DSC-TX20 Learn more about
the Sony DSC-TX20
vs

recommendations

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

Snapsort Recommends
Olympus TG-820 iHS Olympus TG-820 73
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        76 Sony Cyber-shot DSC-TX20 Sony Cyber-shot DSC-TX20
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              similarities

              Compared to recent compacts

              Common Strengths
              3D Both can take 3D photos, many cameras like these don't Help
              View photos in 3D on 3D televisions
              Screen resolution High resolution screens Help
              TG-820:1,030k dots
              DSC-TX20:921k dots
              HDR In-camera HDR Help
              Combines multiple exposures
              Size Fairly small Help
              TG-820:96x63x23 mm
              DSC-TX20:96x56x18 mm
              Macro focus Good macro capabilities Help
              1 cm
              Panorama In-camera panoramas Help
              Stitches together multiple photos into a panorama
              Sensor type Better sensor types Help
              Better in low light
              Waterproof Waterproof Help
              Great at the beach
              Thickness Thin Help
              TG-820:0.9"
              DSC-TX20:0.7"
              Common Weaknesses
              Longest exposure Short max exposure time Help
              4 seconds
              Aperture Very narrow widest aperture size Help
              TG-820:f/3.9
              DSC-TX20:f/3.5
              Zoom Poor zoom Help
              TG-820:5x
              DSC-TX20:4x

              Compared to recent waterproof cameras

              Common Strengths
              Built-in flash Each has a built-in flash Help
              Usually standard
              Screen size Larger than average screens Help
              3.0"
              Weight Light weight Help
              TG-820:155 g
              DSC-TX20:133 g
              Common Weaknesses
              GPS No built-in GPS Help
              Missing geo-tagging
              High-speed framerate No high speed movie support Help
              Not supported
              External mic jack Neither has an external mic jack Help
              Limited to the in-camera mic
              Battery life Few shots per battery charge Help
              TG-820:220 shots
              DSC-TX20:250 shots
              Wide angle Poor wide angle Help
              TG-820:28 mm
              DSC-TX20:25 mm

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Sony Cyber-shot DSC-TX30

              Sony Cyber-shot DSC-TX30

              Waterproof

              $198 - $226

              Screen size Has a slightly larger screen
              Screen resolution Has a slightly higher resolution screen
              Fastest shutter speed Has a slower max shutter speed
              3D Doesn't take 3D photos
              Nikon Coolpix AW120

              Nikon Coolpix AW120

              Waterproof

              $189 - $347

              Aperture Has a slightly wider aperture
              High-speed framerate Records high-speed movies
              Thickness Is thicker
              Weight Is significantly heavier
              Sony Cyber-shot DSC-TX200V

              Sony Cyber-shot DSC-TX200V

              Waterproof

              $250

              Screen size Has a slightly larger screen
              Screen resolution Has a slightly higher resolution screen
              Fastest shutter speed Has a slower max shutter speed
              Macro focus Slightly worse macro focusing
              Nikon Coolpix AW110

              Nikon Coolpix AW110

              Waterproof

              $240 - $312

              High-speed framerate Records high-speed movies
              Screen type Has an OLED screen
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Nikon Coolpix AW100

              Nikon Coolpix AW100

              Waterproof

              $239

              High-speed framerate Records high-speed movies
              GPS Has a built-in GPS
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker
              Panasonic Lumix DMC-TS4

              Panasonic Lumix TS4

              Waterproof

              $290

              Battery life Has a slightly longer battery life
              GPS Has a built-in GPS
              Fastest shutter speed Has a slower max shutter speed
              Lowest price Is slightly more expensive
              Canon PowerShot D20

              Canon PowerShot D20

              Waterproof

              $199 - $300

              High-speed framerate Records high-speed movies
              Supports 24p Records movies in 24p
              Fastest shutter speed Has a slower max shutter speed
              Thickness Is thicker

              Olympus TG-820 iHS Competitors

              Advantages

              Disadvantages

              Olympus Tough TG-850 iHS

              Olympus Tough TG-850 iHS

              Waterproof

              $177

              Wide angle Significantly better wide angle
              High-speed framerate Records high-speed movies
              Screen resolution Significantly lower resolution screen
              3D Doesn't take 3D photos
              Olympus Tough TG-830 iHS

              Olympus Tough TG-830 iHS

              Waterproof

              $248

              High-speed framerate Records high-speed movies
              GPS Has a GPS
              Screen resolution Significantly lower resolution screen
              3D Doesn't take 3D photos
              Olympus Stylus Tough TG-3

              Olympus Stylus Tough TG-3

              Waterproof

              $350 - $480

              Aperture Much wider aperture
              High-speed framerate Records high-speed movies
              Screen resolution Significantly lower resolution screen
              3D Doesn't take 3D photos
              Fujifilm FinePix XP150

              Fujifilm FinePix XP150

              Waterproof

              $349

              GPS Has a GPS
              Battery life Significantly longer battery life
              Screen resolution Much lower resolution screen
              3D Doesn't take 3D photos
              Olympus TG-620

              Olympus TG-620

              Waterproof

              $183

              Lowest price Cheaper
              Thickness Slightly thinner
              Screen resolution Significantly lower resolution screen
              3D Doesn't take 3D photos

              Sony Cyber-shot DSC-TX20 Competitors

              Advantages

              Disadvantages

              Sony Cybershot DSC-TX10

              Sony Cybershot TX10

              Waterproof

              $245

              Lowest price More expensive
              Longest exposure Slightly shorter max exposures
              Canon PowerShot SX210 IS

              Canon PowerShot SX210 IS

              Travel zoom

              $345

              Zoom More zoom
              Aperture Wider aperture
              Screen resolution Much lower resolution screen
              Size Much larger
              GoPro HERO3 Black Edition

              GoPro HERO3 Black Edition

              Waterproof

              Movie format Higher resolution movies
              Wide angle Much better wide angle
              Built-in flash No built-in flash
              Image stabilization No image stabilization

              appearance

              Olympus TG-820 iHS Sony Cyber-shot DSC-TX20
              Olympus TG-820 iHS Sony Cyber-shot DSC-TX20
              Olympus TG-820 iHS Sony Cyber-shot DSC-TX20

              discussion

              Olympus TG-820 iHS
              TG-820
              Olympus

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              Sony Cyber-shot DSC-TX20
              Cyber-shot DSC-TX20
              Sony

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