Updated (February, 2013): Compare the Sony SLT A58 vs Sony Alpha DSLR-A550

Sony SLT A57

Winner
Sony SLT A57

70

vs

Sony Alpha DSLR-A550

56

Sony Alpha DSLR-A550

Runner-up
     

Reasons to buy the Sony SLT A57

Full HD
Movie format
1080p @ 60fps
Large viewfinder
Viewfinder size
0.72x
Image stabilization
Image stabilization
Sensor shift
Rapid fire
Continuous shooting
12 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
Shutter lag
Barely any delay taking photos
184 ms shutter lag
 

differences

Advantages of the Sony SLT A57

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Movie format
Shoots movies
1080p @ 60fps vs None
Help
Shoots Full HD (1080p) video as well as still pictures
Viewfinder size
Much larger viewfinder
0.72x vs 0.52x
Help
More than 90% larger viewfinder
Autofocus
Video autofocus
Phase detection vs None
Help
Automatically focuses shooting video
Autofocus
Faster autofocus
Phase detection vs Contrast detection
Help
Catch candid moments easily
Continuous shooting
Shoots much faster
12 fps vs 7 fps
Help
More than 70% faster continuous shooting
Color depth
Better color depth
23.4 bits vs 21.9 bits
Help
Distinguishes 1.5 more bits of color
Overall image quality
Better image quality
75.0 vs 66.0
Help
More than 10% better image quality
3D
Takes 3D photos
Yes vs No
Help
Combines multiple photos into a 3D image
Dynamic range
More dynamic range
13 EV vs 11.8 EV
Help
1.2 f-stops more dynamic range
Panorama
Can create panoramas in-camera
Yes vs No
Help
Stitches together multiple photos for a wide perspective
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
Viewfinder coverage
Significantly better viewfinder coverage
100% vs 95%
Help
Around 10% better viewfinder coverage
Size
Significantly smaller
132x98x81 mm vs 137x104x84 mm
Help
More than 10% smaller
True resolution
Higher true resolution
16 MP vs 14 MP
Help
Capture more than 10% more detail in your photos
Light sensitivity
Better maximum light sensitivity
16,000 ISO vs 12,800 ISO
Help
The SLT A57's maximum light sensitivity is 0.3 f-stops better
Thickness
Thinner
3.2" vs 3.3"
Help
Almost the same
Weight
Slightly lighter
618 g vs 632 g
Help
Almost the same
Sony SLT A57 Learn more about
the Sony SLT A57

Advantages of the Sony DSLR-A550

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Viewfinder
Has an optical viewfinder
Pentamirror vs Digital
Help
Optical viewfinders save battery life and are more detailed
Battery life
Significantly longer battery life
950 shots vs 550 shots
Help
More than 70% more shots per battery charge
Storage slots
Has more storage slots
2 vs 1
Help
More slots allows storing more images without switching memory cards
Sony Alpha DSLR-A550 Learn more about
the Sony DSLR-A550
vs

recommendations

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

Snapsort Recommends
Sony SLT A57 Sony SLT A57 70
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        56 Sony Alpha DSLR-A550 Sony Alpha DSLR-A550
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              similarities

              Compared to recent entry-level DSLRs

              Common Strengths
              Screen flips out Flip-out screens Help
              Great for movies
              Image stabilization Good image stabilization Help
              Sensor shift
              Continuous shooting Fast continuous shooting Help
              SLT A57:12 fps
              DSLR-A550:7 fps
              Common Weaknesses
              Fastest shutter speed Slow max shutter speed Help
              1/4000 of a second
              Thickness Quite thick Help
              SLT A57:3.2"
              DSLR-A550:3.3"
              Size Large Help
              SLT A57:132x98x81 mm
              DSLR-A550:137x104x84 mm
              True resolution Capture low resolution images Help
              SLT A57:16 MP
              DSLR-A550:14 MP
              Lens availability Few lenses available Help
              123 lenses
              Weather sealed Neither is weather sealed Help
              Need to shelter it from weather
              Low light performance Above average noise at high ISO Help
              SLT A57:785 ISO
              DSLR-A550:807 ISO

              dxomark

              DXOMark

              competitors

              Shared Competitors

              Advantages

              Disadvantages

              Sony SLT A58

              Sony SLT A58

              Entry-level DSLR

              $398 with 18-55mm lens

              True resolution Takes slightly higher resolution photos
              Size Is slightly smaller
              Shutter lag Has much more shutter lag
              Screen flips out Doesn't have a screen which flips out
              Sony SLT-A65

              Sony SLT A65

              Entry-level DSLR

              $600 with 18-55mm lens

              True resolution Takes much higher resolution photos
              Shutter lag Has slightly less shutter lag
              Startup delay Has much more startup delay
              Sony SLT-A55

              Sony SLT-A55

              Entry-level DSLR

              $479 body only

              Size Is slightly smaller
              GPS Has a built-in GPS
              Thickness Is thicker
              Shutter lag Has slightly more shutter lag
              Sony SLT-A77

              Sony SLT A77

              Pro DSLR

              $998 - $1,299 with 16-50mm lens

              True resolution Takes much higher resolution photos
              Weather sealed Has a weather sealed body
              Lowest price Is significantly more expensive
              Weight Is slightly heavier
              Nikon D5200

              Nikon D5200

              Entry-level DSLR

              $497 body only

              $597 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-A37

              Sony SLT-A37

              Entry-level DSLR

              $464 - $479 with 18-55mm lens

              Shutter lag Has slightly less shutter lag
              Size Is slightly smaller
              Thickness Is thicker
              Startup delay Has slightly more startup delay
              Canon Rebel T3i

              Canon Rebel T3i

              Entry-level DSLR

              $499 - $550 body only

              $549 - $630 with 18-55mm lens

              True resolution Takes slightly higher resolution photos
              Lens availability Significantly more lenses available
              Sensor size Has a significantly smaller sensor
              HDR Lacks a built in HDR feature

              Sony SLT A57 Competitors

              Advantages

              Disadvantages

              No significant competitors found that are specific to the Sony SLT A57.

              Sony Alpha DSLR-A550 Competitors

              Advantages

              Disadvantages

              Sony Alpha DSLR-A500

              Sony Alpha DSLR-A500

              Entry-level DSLR

              Autofocus Faster autofocus
              Battery life Slightly longer battery life
              Screen resolution Much lower resolution screen
              Continuous shooting Shoots significantly slower
              Canon EOS Rebel T2i

              Canon Rebel T2i

              Entry-level DSLR

              $600 with 18-55mm lens

              Movie format Shoots movies
              Autofocus Faster autofocus
              HDR Lacks in-camera HDR
              Image stabilization No image stabilization
              Nikon D90

              Nikon D90

              Entry-level DSLR

              $750 body only

              $900 with 18-55mm lens

              Movie format Shoots movies
              Autofocus Faster autofocus
              HDR Lacks in-camera HDR
              Image stabilization No image stabilization
              Nikon D3100

              Nikon D3100

              Entry-level DSLR

              $272 body only

              $390 - $409 with 18-55mm lens

              Movie format Shoots movies
              Autofocus Faster autofocus
              Screen resolution Much lower resolution screen
              Continuous shooting Shoots much slower

              appearance

              Sony SLT A57 Sony Alpha DSLR-A550
              Sony SLT A57 Sony Alpha DSLR-A550
              Sony Alpha DSLR-A550

              discussion

              Sony SLT A57
              SLT A57
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              Sony Alpha DSLR-A550
              Alpha DSLR-A550
              Sony

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