Updated (March, 2012): Compare the Sony Alpha DSLR-A550 vs Sony SLT A57

Sony SLT-A55

Winner
Sony SLT-A55

71

vs

Sony Alpha DSLR-A550

55

Sony Alpha DSLR-A550

Runner-up
     
 

Reasons to buy the Sony SLT-A55

Movie format
Full HD
1080p @ 30fps
Viewfinder size
Large viewfinder
0.72x
Image stabilization
Image stabilization
Sensor shift
Continuous shooting
Rapid fire
10 fps
 

Reasons to buy the Sony Alpha DSLR-A550

Image stabilization
Image stabilization
Sensor shift
Startup delay
Almost no delay when powering up
500 ms startup delay
Viewfinder
Great viewfinder
Pentamirror
HDR
In-camera HDR
Combines multiple exposures
 
Differences | Recommendations | Cast your vote | Similarities | Competitors | Appearance | Discussion

differences

Advantages of the Sony DSLR-A550

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Battery life Much longer battery life 950 shots vs 330 shots
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Around 3x more shots per battery charge
Viewfinder Has an optical viewfinder Pentamirror vs Digital
Help
Optical viewfinders save battery life and are more detailed
Startup delay Less startup delay 500 ms vs 900 ms
Help
More than 40% less delay when turning on
Storage slots Has more storage slots 2 vs 1
Help
More slots allows storing more images without switching memory cards
Shutter lag Less shutter lag 184 ms vs 220 ms
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Around 20% less delay when taking photos
Thickness Slightly thinner 3.3" vs 3.3"
Help
Almost the same
Sony Alpha DSLR-A550 Learn more about
the Sony DSLR-A550

Advantages of the Sony SLT-A55

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Movie format Shoots movies 1080p @ 30fps vs None
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Shoots Full HD (1080p) video as well as still pictures
Autofocus Video autofocus Phase detection vs None
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Automatically focuses shooting video
Viewfinder size Much larger viewfinder 0.72x vs 0.52x
Help
More than 90% larger viewfinder
Autofocus Faster autofocus Phase detection vs Contrast detection
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Catch candid moments easily
Color depth Better color depth 23 bits vs 21.9 bits
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Distinguishes 1.1 more bits of color
Overall image quality Better image quality 73.0 vs 66.0
Help
More than 10% better image quality
3D Takes 3D photos Yes vs No
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Combines multiple photos into a 3D image
Panorama Can create panoramas in-camera Yes vs No
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Stitches together multiple photos for a wide perspective
GPS Has a GPS Yes vs No
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Automatically geotags your photos when traveling
Dynamic range More dynamic range 12.4 EV vs 11.8 EV
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0.6 f-stops more dynamic range
Continuous shooting Shoots significantly faster 10 fps vs 7 fps
Help
More than 40% faster continuous shooting
Size Much smaller 124x92x85 mm vs 137x104x84 mm
Help
Around 20% smaller
Light sensitivity (boost) Has boost ISO 25,600 ISO vs None
Help
Allows taking photos in darker situations, often at the cost of additional noise in the image
True resolution Higher true resolution 16 MP vs 14 MP
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Capture more than 10% more detail in your photos
Weight Lighter 500 g vs 632 g
Help
More than 20% lighter
Sony SLT-A55 Learn more about
the Sony SLT-A55
vs

recommendations

Which camera do we recommend? Relative to the best recent entry-level DSLRs, and ignoring price

Snapsort Recommends
Sony Alpha DSLR-A550 Sony Alpha DSLR-A550 55

vs

71 Sony SLT-A55 Sony SLT-A55
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    Style
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        similarities

        Compared to recent entry-level DSLRs

        Common Strengths Common Weaknesses
        Image stabilization Good image stabilization Help
        Sensor shift
        Screen flips out Flip-out screens Help
        Great for movies
        Thickness Quite thick Help
        3.3"
        Fastest shutter speed Slow max shutter speed Help
        1/4000 of a second
        True resolution Capture low resolution images Help
        DSLR-A550:14 MP
        SLT-A55:16 MP
        Lens availability Few lenses available Help
        123 lenses
        Weather sealed Neither is weather sealed Help
        Need to shelter it from weather
        Movie format One shoots movies Help
        DSLR-A550:None
        SLT-A55:1080p @ 30fps
        Low light performance Above average noise at high ISO Help
        DSLR-A550:807 ISO
        SLT-A55:816 ISO

        dxomark

        DXOMark

        competitors

        Shared Competitors

        Advantages

        Disadvantages

        Sony SLT A58

        Sony SLT A58

        Entry-level DSLR

        $448 with 18-55mm lens

        True resolution Takes slightly higher resolution photos
        Supports 24p Records movies in 24p
        Shutter lag Has much more shutter lag
        Screen flips out Doesn't have a screen which flips out
        Sony SLT A57

        Sony SLT A57

        Entry-level DSLR

        $861 with 18-55mm lens

        Movie format Records higher quality movies
        Supports 24p Records movies in 24p
        Lowest price Is slightly more expensive
        Weight Is slightly heavier
        Sony SLT-A65

        Sony SLT A65

        Entry-level DSLR

        $675 body only

        $772 with 18-55mm lens

        Movie format Records higher quality movies
        True resolution Takes much higher resolution photos
        Weight Is slightly heavier
        Size Is slightly larger
        Canon Rebel T3i

        Canon Rebel T3i

        Entry-level DSLR

        $499 - $699 body only

        $200 - $729 with 18-55mm lens

        True resolution Takes slightly higher resolution photos
        Supports 24p Records movies in 24p
        Weight Is slightly heavier
        Size Is slightly larger
        Nikon D5100

        Nikon D5100

        Entry-level DSLR

        $352 - $415 body only

        $495 - $797 with 18-55mm lens

        Low light performance Is significantly less noisy at high ISO
        Overall image quality Has slightly better image quality
        Shutter lag Has significantly more shutter lag
        Continuous shooting Doesn't shoot as fast continuously
        Sony SLT-A77

        Sony SLT A77

        Pro DSLR

        $1,098 body only

        $1,345 - $1,398 with 16-50mm lens

        Overall image quality Has slightly better image quality
        Movie format Records higher quality movies
        Lowest price Is significantly more expensive
        Weight Is significantly heavier
        Sony Alpha DSLR-A580

        Sony Alpha DSLR-A580

        Entry-level DSLR

        $749 body only

        $849 with 18-55mm lens

        Low light performance Is significantly less noisy at high ISO
        Overall image quality Has slightly better image quality
        Weight Is slightly heavier
        Size Is much larger

        Sony Alpha DSLR-A550 Competitors

        Advantages

        Disadvantages

        Sony Alpha DSLR-A700

        Sony Alpha DSLR-A700

        Entry-level DSLR

        Autofocus Faster autofocus
        Color depth Better color depth
        Live view No live view
        Low light performance More noise at high ISO

        Sony SLT-A55 Competitors

        Advantages

        Disadvantages

        No significant competitors found that are specific to the Sony SLT-A55.

        appearance

        Sony Alpha DSLR-A550 Sony SLT-A55
        Sony Alpha DSLR-A550 Sony SLT-A55
        Sony Alpha DSLR-A550 Sony SLT-A55

        discussion

        Sony Alpha DSLR-A550
        Alpha DSLR-A550
        Sony

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        Sony SLT-A55
        SLT-A55
        Sony

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