Updated (March, 2012): Compare the Nikon D3200 vs Sony Alpha DSLR-A390

Nikon D3100

Winner
Nikon D3100

54

vs

Sony Alpha DSLR-A390

40

Sony Alpha DSLR-A390

Runner-up
     
 

Reasons to buy the Nikon D3100

Movie format
Full HD
1080p @ 24fps
Live view
Has live view
Preview your photos
Startup delay
Almost no delay when powering up
400 ms startup delay
Movie continuous focus
Movie continuous focus
Makes it easy to get in-focus movies
 

Reasons to buy the Sony Alpha DSLR-A390

Image stabilization
Image stabilization
Sensor shift
Live view
Has live view
Preview your photos
Screen flips out
Flip-out screen
Great for movies
Sensor size
Large sensor
APS-C 23.5x15.7mm
 
Differences | Recommendations | Cast your vote | Similarities | Competitors | Appearance | Discussion

differences

Advantages of the Nikon D3100

Report a correction
Movie format Shoots movies 1080p @ 24fps vs None
Help
Shoots Full HD (1080p) video as well as still pictures
Low light performance Significantly lower noise at high ISO 919 ISO vs 607 ISO
Help
The D3100 has a slight edge (0.6 f-stops) in low noise, high ISO performance
Screen size Significantly larger screen 3.0" vs 2.7"
Help
More than 10% larger screen
Autofocus Video autofocus Contrast detection vs None
Help
Automatically focuses shooting video
Lens availability Significantly more lenses available 205 lenses vs 123 lenses
Help
Around 70% more lenses available
Sensor type Has a CMOS-family sensor CMOS vs CCD
Help
CMOS-family sensors often produce better quality images
Size Much smaller 124x96x73 mm vs 128x97x86 mm
Help
Around 20% smaller
Thickness Much thinner 2.9" vs 3.4"
Help
More than 10% thinner
Viewfinder size Larger viewfinder 0.51x vs 0.48x
Help
More than 10% larger viewfinder
Light sensitivity (boost) Has boost ISO 12,800 ISO vs None
Help
Allows taking photos in darker situations, often at the cost of additional noise in the image
Overall image quality Slightly better image quality 67.0 vs 66.0
Help
Almost the same
Continuous shooting Shoots slightly faster 3 fps vs 2.5 fps
Help
20% faster continuous shooting
Battery life Slightly longer battery life 550 shots vs 500 shots
Help
10% more shots per battery charge
Focus points Slightly more focus points 11 vs 9
Help
Set focus accurately within the frame
Weight Lighter 505 g vs 549 g
Help
Around 10% lighter
Nikon D3100 Learn more about
the Nikon D3100

Advantages of the Sony DSLR-A390

Report a correction
Image stabilization Image stabilization Sensor shift vs None
Help
Helps eliminate blur caused by small camera movements
Screen flips out Has a flip-out screen Yes vs No
Help
Flip-out screens can be helpful when composing tricky shots or taking movies
Shutter lag Significantly less shutter lag 198 ms vs 279 ms
Help
Around 30% less delay when taking photos
Dynamic range More dynamic range 11.5 EV vs 11.3 EV
Help
0.2 f-stops more dynamic range
Sensor size Larger sensor APS-C 23.5x15.7mm vs APS-C 23.1x15.4mm
Help
Almost the same
Storage slots Has more storage slots 2 vs 1
Help
More slots allows storing more images without switching memory cards
Sony Alpha DSLR-A390 Learn more about
the Sony DSLR-A390
vs

recommendations

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

Snapsort Recommends
Nikon D3100 Nikon D3100 54
Retailer
    Style
      Color
        You save

        vs

        40 Sony Alpha DSLR-A390 Sony Alpha DSLR-A390

        similarities

        Compared to recent entry-level DSLRs

        Common Strengths Common Weaknesses

        Snapsort is not aware of any interesting strengths shared by these two products.

        Fastest shutter speed Slow max shutter speed Help
        1/4000 of a second
        Light sensitivity (boost) One has boost ISO Help
        D3100:12,800 ISO
        DSLR-A390:None
        Viewfinder coverage Below average viewfinder coverage Help
        95%
        HDR Neither has in-camera HDR Help
        You could do HDR manually
        Continuous shooting Slow continuous shooting Help
        D3100:3 fps
        DSLR-A390:2.5 fps
        True resolution Capture low resolution images Help
        D3100:14.2 MP
        DSLR-A390:14 MP
        Screen resolution Low resolution screens Help
        230k dots
        Cross type focus points Few cross-type focus points Help
        1
        Light sensitivity Poor maximum light sensitivity Help
        3,200 ISO
        Viewfinder size Below average viewfinder size Help
        D3100:0.51x
        DSLR-A390:0.48x
        Weather sealed Neither is weather sealed Help
        Need to shelter it from weather
        Panorama Neither camera stitches together panoramas Help
        You could stitch photos in post
        Dynamic range Poor dynamic range Help
        D3100:11.3 EV
        DSLR-A390:11.5 EV
        Focus points Few focus points Help
        D3100:11
        DSLR-A390:9
        Autofocus Lacks video autofocus Help
        D3100:Contrast detection
        DSLR-A390:None
        Movie format One shoots movies Help
        D3100:1080p @ 24fps
        DSLR-A390:None
        Overall image quality Low image quality Help
        D3100:67.0
        DSLR-A390:66.0

        dxomark

        DXOMark

        competitors

        Shared Competitors

        Advantages

        Disadvantages

        Nikon D3200

        Nikon D3200

        Entry-level DSLR

        $319 body only

        $477 with 18-55mm lens

        Low light performance Is slightly less noisy at high ISO
        Overall image quality Has significantly better image quality
        Thickness Is thicker
        Shutter lag Has slightly more shutter lag
        Canon Rebel T3

        Canon Rebel T3

        Entry-level DSLR

        $399 body only

        $580 with 18-55mm lens

        Battery life Has a slightly longer battery life
        Lowest price Is slightly more expensive
        Thickness Is thicker
        Canon Rebel T3i

        Canon Rebel T3i

        Entry-level DSLR

        $499 body only

        $549 - $579 with 18-55mm lens

        Screen resolution Has a much higher resolution screen
        True resolution Takes slightly higher resolution photos
        Lowest price Is slightly more expensive
        Thickness Is thicker
        Nikon D90

        Nikon D90

        Entry-level DSLR

        $850 with 18-105mm lens

        Overall image quality Has slightly better image quality
        Dynamic range Has significantly wider dynamic range
        Lowest price Is much more expensive
        Thickness Is thicker
        Canon EOS Rebel T2i

        Canon Rebel T2i

        Entry-level DSLR

        $639 body only

        $674 with 18-55mm lens

        Screen resolution Has a much higher resolution screen
        True resolution Takes slightly higher resolution photos
        Lowest price Is significantly more expensive
        Sensor size Has a slightly smaller sensor
        Nikon D3000

        Nikon D3000

        Entry-level DSLR

        $548 with 18-55mm, 55-200mm lenses

        Size Is slightly smaller
        Thickness Is thinner
        Lowest price Is slightly more expensive
        Shutter lag Has slightly more shutter lag
        Sony Alpha ILC-3000

        Sony Alpha ILC-3000

        Mirrorless interchangeable-lens

        Low light performance Is slightly less noisy at high ISO
        Overall image quality Has significantly better image quality
        Sensor cleaning Lacks a self cleaning sensor
        Viewfinder Has a lower quality type of viewfinder

        Nikon D3100 Competitors

        Advantages

        Disadvantages

        Canon EOS Rebel T5

        Canon EOS Rebel T5

        Entry-level DSLR

        $681 - $700 body only

        $499 - $822 with 18-55mm lens

        Screen resolution Higher resolution screen
        True resolution Higher true resolution
        Low light performance More noise at high ISO
        Color depth Worse color depth
        Nikon D5100

        Nikon D5100

        Entry-level DSLR

        $378 body only

        $564 with 18-55mm lens

        Overall image quality Significantly better image quality
        Screen resolution Much higher resolution screen
        Size Larger
        Thickness Significantly thicker
        Nikon D3300

        Nikon D3300

        Entry-level DSLR

        $547 with 18-55mm lens

        Low light performance Significantly lower noise at high ISO
        Overall image quality Significantly better image quality
        Startup delay Much more startup delay
        Lowest price Significantly more expensive

        Sony Alpha DSLR-A390 Competitors

        Advantages

        Disadvantages

        Sony Alpha DSLR-A350

        Sony Alpha DSLR-A350

        Entry-level DSLR

        Battery life Longer battery life
        Size Smaller
        Autofocus Slower autofocus
        Storage slots Has fewer storage slots
        Sony Alpha DSLR-A290

        Sony Alpha DSLR-A290

        Entry-level DSLR

        Viewfinder size Larger viewfinder
        Live view No live view
        Screen flips out Screen does not flip out

        appearance

        Nikon D3100 Sony Alpha DSLR-A390
        Nikon D3100 Sony Alpha DSLR-A390
        Nikon D3100 Sony Alpha DSLR-A390

        discussion

        Nikon D3100
        D3100
        Nikon

        Report a correction
        Sony Alpha DSLR-A390
        Alpha DSLR-A390
        Sony

        Report a correction

        Showing 2 comments

        Saifulizuanmd (9:32 AM, December 21, 2011)
        and a390 doesnt have battery grip
         
        7mgoulding7 (6:50 PM, August 20, 2011)
        The 390 has a flipout screen. It says it does not in the common weakness.