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Nikon D3100 vs Sony A3000

The Nikon D3100 and the Sony Alpha A3000 are two digital cameras that were announced, respectively, in August 2010 and August 2013. The D3100 is a DSLR, while the A3000 is a mirrorless interchangeable lens camera. Both cameras are equipped with an APS-C sensor. The Nikon has a resolution of 14.2 megapixels, whereas the Sony provides 19.8 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Nikon D3100   Sony A3000
Nikon D3100 Sony A3000
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Sony E mount lenses
14.2 MP, APS-C Sensor 19.8 MP, APS-C Sensor
1080/24p Video 1080/60i Video
ISO 100-3200 (100-12800) ISO 100-16000
Optical viewfinder Electronic viewfinder (202k dots)
3.0" LCD, 230k dots 3.0" LCD, 230k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
3 shutter flaps per second 2.5 shutter flaps per second
550 shots per battery charge470 shots per battery charge
124 x 96 x 75 mm, 505 g 128 x 91 x 85 mm, 411 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D3100 and the Sony Alpha A3000? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

An illustration of the physical size and weight of the Nikon D3100 and the Sony A3000 is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All size dimensions are rounded to the nearest millimeter.

The D3100 can be obtained in two different colors (black, red), while the A3000 is only available in black.

Size Nikon D3100 vs Sony A3000
Compare D3100 versus A3000 top
Comparison D3100 or A3000 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A3000 is somewhat smaller (2 percent) than the Nikon D3100. Moreover, the A3000 is markedly lighter (19 percent) than the D3100. In this context, it is worth noting that neither the D3100 nor the A3000 are weather-sealed.

The above size and weight comparisons are to some extent incomplete since they do not consider the interchangeable lenses that both of these cameras require. Both cameras have similarly sized sensors, but DSLRs have a larger flange-to-focal plane distance than mirrorless cameras, which imposes contraints on the optical engineering process and generally leads to bigger and heavier lenses. You can compare the optics available for the two cameras in the Nikon Lens Catalog (D3100) and the Sony E-Mount Lens Catalog (A3000). Mirrorless cameras, such as the A3000, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the D3100 gets 550 shots out of its EN-EL14 battery, while the A3000 can take 470 images on a single charge of its NP-FW50 power pack. The power pack in the A3000 can be charged via the USB port, which can be very convenient when travelling.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Nikon D3100» 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 599- i Nikon D3100
 
Sony A3000« 128 mm 91 mm 85 mm 411 g 470 n Aug 2013 329- i Sony A3000
 
Nikon D5600« » 124 mm 97 mm 70 mm 465 g 970 n Nov 2016 699 i i Nikon D5600
 
Nikon D3400« » 124 mm 98 mm 76 mm 445 g 1200 n Aug 2016 499- i Nikon D3400
 
Nikon D3300« » 124 mm 98 mm 76 mm 430 g 700 n Jan 2014 499- i Nikon D3300
 
Nikon D3200« » 125 mm 96 mm 77 mm 505 g 540 n Apr 2012 599- i Nikon D3200
 
Nikon D5100« » 128 mm 97 mm 79 mm 560 g 660 n Apr 2011 749- i Nikon D5100
 
Nikon D3000« » 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 599- i Nikon D3000
 
Nikon D5000« » 127 mm 104 mm 80 mm 590 g 510 n Apr 2009 749- i Nikon D5000
 
Nikon D60« » 126 mm 94 mm 64 mm 522 g 500 n Jan 2008 629- i Nikon D60
 
Nikon D40X« » 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729- i Nikon D40X
 
Nikon D40« » 124 mm 94 mm 64 mm 522 g 470 n Nov 2006 499- i Nikon D40
 
Sony A5000« » 110 mm 63 mm 36 mm 269 g 420 n Jan 2014 449- i Sony A5000
 
Sony A5100« » 110 mm 63 mm 36 mm 283 g 400 n Aug 2014 549 i i Sony A5100
 
Sony A6000« » 120 mm 67 mm 45 mm 344 g 360 n Feb 2014 599- i Sony A6000
 
Sony RX1R« » 113 mm 65 mm 70 mm 482 g 270 n Jun 2013 2,799- i Sony RX1R
 
Sony RX1« » 113 mm 65 mm 70 mm 482 g 270 n Sep 2012 2,799- i Sony RX1
Note: Measurements and pricing do not include easily detachable parts, such as interchangeable lenses or optional viewfinders.

Any camera decision will obviously take relative prices into account. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The A3000 was launched at a markedly lower price (by 45 percent) than the D3100, which puts it into a different market segment. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. They nevertheless have the same format factor of 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Nikon D3100 and Sony A3000 sensor measures

With 19.8MP, the A3000 offers a higher resolution than the D3100 (14.2MP), but the A3000 has smaller individual pixels (pixel pitch of 4.25μm versus 5.01μm for the D3100). Yet, the A3000 is a much more recent model (by 3 years) than the D3100, and its sensor will have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A3000 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A3000 for good quality output (200 dots per inch) amounts to 27.3 x 18.2 inch or 69.3 x 46.1 cm, for very good quality (250 dpi) 21.8 x 14.5 inch or 55.4 x 36.9 cm, and for excellent quality (300 dpi) 18.2 x 12.1 inch or 46.2 x 30.8 cm. The corresponding values for the Nikon D3100 are 23 x 15.4 inch or 58.5 x 39 cm for good quality, 18.4 x 12.3 inch or 46.8 x 31.2 cm for very good quality, and 15.4 x 10.2 inch or 39 x 26 cm for excellent quality prints.

The Nikon D3100 has a native sensitivity range from ISO 100 to ISO 3200, which can be extended to ISO 100-12800. The corresponding ISO settings for the Sony Alpha A3000 are ISO 100 to ISO 16000 (no boost).

D3100 versus A3000 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under consideration, the A3000 offers substantially better image quality than the D3100 (overall score 11 points higher). The advantage is based on 1.2 bits higher color depth, 1.5 EV in additional dynamic range, and 0.2 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
 
Nikon D3100» APS-C 14.2 4608 30721080/24p22.511.391967Nikon D3100
 
Sony A3000« APS-C 19.8 5456 36321080/60i23.712.8106878Sony A3000
 
Nikon D5600« » APS-C 24.0 6000 40001080/60p24.114.0130684Nikon D5600
 
Nikon D3400« » APS-C 24.0 6000 40001080/60p24.813.9119286Nikon D3400
 
Nikon D3300« » APS-C 24.0 6000 40001080/60p24.312.8138582Nikon D3300
 
Nikon D3200« » APS-C 24.1 6016 40001080/30p24.113.2113181Nikon D3200
 
Nikon D5100« » APS-C 16.1 4928 32641080/30p23.513.6118380Nikon D5100
 
Nikon D3000« » APS-C 10.0 3872 2592-22.311.156362Nikon D3000
 
Nikon D5000« » APS-C 12.2 4288 2848720/24p22.712.586872Nikon D5000
 
Nikon D60« » APS-C 10.0 3872 2592-22.511.456265Nikon D60
 
Nikon D40X« » APS-C 10.0 3872 2592-22.411.451663Nikon D40X
 
Nikon D40« » APS-C 6.0 3008 2000-21.011.056156Nikon D40
 
Sony A5000« » APS-C 19.8 5456 36321080/60i23.813.0108979Sony A5000
 
Sony A5100« » APS-C 24.0 6000 40001080/60p23.812.7134780Sony A5100
 
Sony A6000« » APS-C 24.0 6000 40001080/60p24.113.1134782Sony A6000
 
Sony RX1R« » Full Frame 24.0 6000 40001080/60p25.013.6253791Sony RX1R
 
Sony RX1« » Full Frame 24.0 6000 40001080/60p25.114.3253493Sony RX1

Many modern cameras are not only capable of taking still images, but can also record movies. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A3000 provides a faster frame rate than the D3100. It can shoot movie footage at 1080/60i, while the Nikon is limited to 1080/24p.

 

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the A3000 has an electronic viewfinder (202k dots), while the D3100 has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinder in the A3000 offers a wider field of view (100%) than the one in the D3100 (95%), so that a larger proportion of the captured image is visible in the finder. On the other hand, the viewfinder of the D3100 has a higher magnification (0.53x vs 0.47x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Nikon D3100 and Sony A3000 along with similar information for a selection of comparators.

Core Features
  Camera
Model
Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
Camera
Model
 
Nikon D3100»optical n 3.0 230 fixed n 1/4000s 3.0 Y n Nikon D3100
 
Sony A3000«202 n 3.0 230 fixed n 1/4000s 2.5 Y n Sony A3000
 
Nikon D5600« »optical n 3.2 1037 swivel Y 1/4000s 5.0 Y n Nikon D5600
 
Nikon D3400« »optical n 3.0 921 fixed n 1/4000s 5.0 Y n Nikon D3400
 
Nikon D3300« »optical n 3.0 921 fixed n 1/4000s 5.0 Y n Nikon D3300
 
Nikon D3200« »optical n 3.0 921 fixed n 1/4000s 4.0 Y n Nikon D3200
 
Nikon D5100« »optical n 3.0 921 swivel n 1/4000s 4.0 Y n Nikon D5100
 
Nikon D3000« »optical n 3.0 230 fixed n 1/4000s 3.0 Y n Nikon D3000
 
Nikon D5000« »optical n 2.7 230 full-flex n 1/4000s 4.0 Y n Nikon D5000
 
Nikon D60« »optical n 2.5 230 fixed n 1/4000s 3.0 Y n Nikon D60
 
Nikon D40X« »optical n 2.5 230 fixed n 1/4000s 3.0 Y n Nikon D40X
 
Nikon D40« »optical n 2.5 230 fixed n 1/4000s 2.5 Y n Nikon D40
 
Sony A5000« »- n 3.0 461 tilting n 1/4000s 3.5 Y n Sony A5000
 
Sony A5100« »- n 3.0 922 tilting Y 1/4000s 6.0 Y n Sony A5100
 
Sony A6000« »1440 n 3.0 922 tilting n 1/4000s 11.0 Y n Sony A6000
 
Sony RX1R« »- n 3.0 1229 fixed n 1/4000s 5.0 Y n Sony RX1R
 
Sony RX1« »- n 3.0 1229 fixed n 1/4000s 5.0 Y n Sony RX1

The D3100 writes its imaging data to SDXC cards, while the A3000 uses SDXC or Memory Stick PRO Duo cards.

 

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Nikon D3100 and Sony Alpha A3000 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
 
Nikon D3100»Ymonomono--mini2.0---Nikon D3100
 
Sony A3000«Ystereomono--mini2.0---Sony A3000
 
Nikon D5600« »YstereomonoY-mini2.0YYYNikon D5600
 
Nikon D3400« »Ymonomono--mini2.0--YNikon D3400
 
Nikon D3300« »YmonomonoY-mini2.0---Nikon D3300
 
Nikon D3200« »YmonomonoY-mini2.0---Nikon D3200
 
Nikon D5100« »YmonomonoY-mini2.0---Nikon D5100
 
Nikon D3000« »Y-----2.0---Nikon D3000
 
Nikon D5000« »Ymonomono--mini2.0---Nikon D5000
 
Nikon D60« »Y-----2.0---Nikon D60
 
Nikon D40X« »Y-----2.0---Nikon D40X
 
Nikon D40« »Y-----2.0---Nikon D40
 
Sony A5000« »-stereomono--micro2.0YY-Sony A5000
 
Sony A5100« »-stereomono--micro2.0YY-Sony A5100
 
Sony A6000« »Ystereomono--micro2.0YY-Sony A6000
 
Sony RX1R« »YstereomonoY-mini2.0---Sony RX1R
 
Sony RX1« »YstereomonoY-mini2.0---Sony RX1

Both the D3100 and the A3000 have been discontinued, but can regularly be found used on eBay. The D3100 was replaced by the Nikon D3200, while the A3000 does not have a direct successor. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Sony websites.


Review summary

So what conclusions can be drawn? Is there a clear favorite between the Nikon D3100 and the Sony A3000? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Nikon D3100:

  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.53x vs 0.47x).
  • Faster burst: Shoots at higher frequency (3 vs 2.5 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (550 versus 470) on a single battery charge.
  • More heavily discounted: Has been available for much longer (launched in August 2010).

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Arguments in favor of the Sony Alpha A3000:

  • More detail: Has more megapixels (19.8 vs 14.2MP), which boosts linear resolution by 18%.
  • Better image quality: Scores substantially higher (11 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.2 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (1.5 EV of extra DR).
  • Better video: Provides higher movie framerates (1080/60i versus 1080/24p).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Less heavy: Has a lower weight (by 94g or 19 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • More affordable: Was introduced into a lower priced category (45 percent cheaper at launch).
  • More modern: Reflects 3 years of technical progress since the D3100 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the A3000 is the clear winner of the contest (11 : 5 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D3100 05:11 A3000

How about other alternatives? Do the specifications of the Nikon D3100 and the Sony A3000 place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Mirrorless Interchangeable Lens Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the D3100 or the A3000. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is why hands-on reviews by experts are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
 
Nikon D3100»+ +72/1004.5/55/54.5/5 Aug 2010 599- i Nikon D3100
 
Sony A3000«+-4/54.5/54/5 Aug 2013 329- i Sony A3000
 
Nikon D5600« »-79/1004.5/54.5/54/5 Nov 2016 699 i i Nikon D5600
 
Nikon D3400« »+76/1004/54.5/54.5/5 Aug 2016 499- i Nikon D3400
 
Nikon D3300« »+77/1004.5/54.5/54.5/5 Jan 2014 499- i Nikon D3300
 
Nikon D3200« »+ +73/1004.5/54.5/54.5/5 Apr 2012 599- i Nikon D3200
 
Nikon D5100« »+ +76/1004.5/55/54.5/5 Apr 2011 749- i Nikon D5100
 
Nikon D3000« »+72/1004/53.5/54.5/5 Jul 2009 599- i Nikon D3000
 
Nikon D5000« »+ +75/1004/55/54.5/5 Apr 2009 749- i Nikon D5000
 
Nikon D60« »80/100+ +4/5o4.5/5 Jan 2008 629- i Nikon D60
 
Nikon D40X« »79/100+ +4/5o4/5 Mar 2007 729- i Nikon D40X
 
Nikon D40« »81/100+ +o5/54.5/5 Nov 2006 499- i Nikon D40
 
Sony A5000« »+-4.5/5o4.5/5 Jan 2014 449- i Sony A5000
 
Sony A5100« »+-4.5/54.5/55/5 Aug 2014 549 i i Sony A5100
 
Sony A6000« »+80/1004.5/55/55/5 Feb 2014 599- i Sony A6000
 
Sony RX1R« »--4/5o4.5/5 Jun 2013 2,799- i Sony RX1R
 
Sony RX1« »-79/1004/54.5/54.5/5 Sep 2012 2,799- i Sony RX1
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (-) not available.

Care should be taken when interpreting the review scores above, though. The ratings are only valid when referring to cameras in the same category and of the same age. Hence, a score should always be seen in the context of the camera's market launch date and its price, and rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Nikon D3100:
Check Ebay offers
Sony A3000:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just make your choice using the following search menu. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored.

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    Specifications: Nikon D3100 vs Sony A3000

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Nikon D3100 Sony A3000
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Sony E mount lenses
    Launch Date August 2010 August 2013
    Launch Price USD 599 USD 329
    Sensor Specs Nikon D3100 Sony A3000
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.1 x 15.4 mm 23.2 x 15.4 mm
    Sensor Area 355.74 mm2 357.28 mm2
    Sensor Diagonal 27.8 mm 27.8 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 14.2 Megapixels 19.8 Megapixels
    Image Resolution 4608 x 3072 pixels 5456 x 3632 pixels
    Pixel Pitch 5.01 μm 4.25 μm
    Pixel Density 3.98 MP/cm2 5.55 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/24p Video 1080/60i Video
    ISO Setting 100-3200 ISO 100-16000 ISO
    ISO Boost 100-12800 ISO no Enhancement
    Image Processor EXPEED 2 BIONZ
    DXO Sensor Quality (score) 67 78
    DXO Color Depth (bits) 22.5 23.7
    DXO Dynamic Range (EV) 11.3 12.8
    DXO Low Light (ISO) 919 1068
    Screen Specs Nikon D3100 Sony A3000
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.53x 0.47x
    Viewfinder Resolution 202k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0 inch 3.0 inch
    LCD Resolution 230k dots 230k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Nikon D3100 Sony A3000
    Autofocus System Phase-detect AF Contrast-detect AF
    Manual Focusing AidNo Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000/s 1/4000/s
    Continuous Shooting 3 shutter flaps/s 2.5 shutter flaps/s
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards MS or SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support no no
    Connectivity Specs Nikon D3100 Sony A3000
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI mini HDMI
    Wifi Support no Wifi no Wifi
    Body Specs Nikon D3100 Sony A3000
    Battery Type EN-EL14 NP-FW50
    Battery Life (CIPA)550 shots per charge470 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 124 x 96 x 75 mm
    (4.9 x 3.8 x 3.0 in)
    128 x 91 x 85 mm
    (5.0 x 3.6 x 3.3 in)
    Camera Weight 505 g (17.8 oz) 411 g (14.5 oz)

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