Sony Alpha DSLR-A550 vs Nikon D3100

Winner
Sony Alpha DSLR-A550

100

Nikon D3100

92

Runner-up

Reasons to buy the Sony Alpha DSLR-A550

High resolution screen
Screen resolution
921k dots
Image stabilization
Image stabilization
  1. Sensor shift
Rapid fire
Continuous shooting
7 fps
Flip-out screen
Screen flips out
Great for movies
 

Reasons to buy the Nikon D3100

Movie format
Full HD
1080p @ 24fps
Supports 24p
24p movies
For that film look
Movie continuous focus
Movie continuous focus
Makes it easy to get in-focus movies
Size
Really small
Prosumer size (124×97×74 mm)

galleries

Explore our gallery of 48 sample photos taken by the Nikon D3100.
Explore our gallery of 7 sample photos taken by the Sony Alpha DSLR-A550.

competitors

Sony Alpha DSLR-A550 Competitors

Sony Alpha DSLR-A450

Sony Alpha DSLR-A450

Entry-level DSLR

Thickness Thinner
Size Smaller
Screen resolution Much lower resolution screen
Sony Alpha DSLR-A580

Sony Alpha DSLR-A580

Entry-level DSLR

$984 body only

Movie format Shoots movies
Autofocus Faster autofocus
Sony SLT-A55

Sony SLT A55

Entry-level DSLR

Movie format Shoots movies
Viewfinder size Much larger viewfinder
Viewfinder Has a digital viewfinder

Nikon D3100 Competitors

Nikon D3400

Nikon D3400

Entry-level DSLR

$326 body only

$399 - $497 with 18-55mm lens

Screen resolution Much higher resolution screen
Movie format Lower frame rate movies
Size Larger
Canon Rebel T3

Canon Rebel T3

Entry-level DSLR

$634 body only

$487 with 18-55mm lens

Viewfinder size Larger viewfinder
Battery life Longer battery life
Movie format Lower resolution movies
Canon EOS Rebel T5

Canon EOS Rebel T5

Entry-level DSLR

$455 with 18-55mm lens

Screen resolution Much higher resolution screen
True resolution Significantly higher true resolution
Size Larger

discussion

Sony Alpha DSLR-A550
Alpha DSLR-A550
Sony

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Nikon D3100
D3100
Nikon

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