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Nikon D3000 vs D7100

The Nikon D3000 and the Nikon D7100 are two digital cameras that were revealed to the public, respectively, in July 2009 and February 2013. Both are DSLR (Digital Single Lens Reflex) cameras that are equipped with an APS-C sensor. The D3000 has a resolution of 10 megapixels, whereas the D7100 provides 24 MP.

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

Headline Specifications
Nikon D3000
versus
Nikon D7100
Nikon D3000   Nikon D7100
Digital single lens reflex Digital single lens reflex
Nikon F mount lenses Nikon F mount lenses
10 MP – APS-C sensor 24 MP – APS-C sensor
no Video 1080/60p Video
ISO 100-1,600 (100 - 3,200) ISO 100-6,400 (50 - 25,600)
Optical viewfinder Optical viewfinder
3.0" LCD – 230k dots 3.2" LCD – 1229k dots
Fixed screen (not touch-sensitive) Fixed screen (not touch-sensitive)
3 shutter flaps per second 6 shutter flaps per second
not weather sealedWeathersealed body
500 shots per battery charge950 shots per battery charge
126 x 97 x 64 mm, 536 g 136 x 107 x 76 mm, 765 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D3000 and the Nikon D7100? 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.

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Body comparison

The physical size and weight of the Nikon D3000 and the Nikon D7100 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Nikon D3000 vs Nikon D7100
Compare D3000 versus D7100 top
Comparison D3000 or D7100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Nikon D7100 is notably larger (19 percent) than the Nikon D3000. Moreover, the D7100 is substantially heavier (43 percent) than the D3000. It is noteworthy in this context that the D7100 is splash and dust-proof, while the D3000 does not feature any corresponding weather-sealing.

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. In this particular case, both cameras feature the same lens mount, so that they can use the same lenses. You can compare the optics available in the Nikon Lens Catalog.

Concerning battery life, the D3000 gets 500 shots out of its Nikon EN-EL9a battery, while the D7100 can take 950 images on a single charge of its Nikon EN-EL15 power pack.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. In case you want to display and compare another camera duo, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 599ebay.com
2.
 
Nikon D7100 136 mm 107 mm 76 mm 765 g 950 Y Feb 2013 1,199ebay.com
3.
 
Canon 70D 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199ebay.com
4.
 
Fujifilm X100 126 mm 75 mm 54 mm 445 g 300 n Sep 2010 1,199ebay.com
5.
 
Nikon D7500 136 mm 104 mm 73 mm 720 g 950 Y Apr 2017 1,299 amazon.com
6.
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199ebay.com
7.
 
Nikon D3300 124 mm 98 mm 76 mm 430 g 700 n Jan 2014 499ebay.com
8.
 
Nikon D3200 125 mm 96 mm 77 mm 505 g 540 n Apr 2012 599ebay.com
9.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499ebay.com
10.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 599ebay.com
11.
 
Nikon D5000 127 mm 104 mm 80 mm 590 g 510 n Apr 2009 749ebay.com
12.
 
Nikon D60 126 mm 94 mm 64 mm 522 g 500 n Jan 2008 629ebay.com
13.
 
Nikon D90 132 mm 103 mm 77 mm 703 g 850 n Aug 2008 1,299ebay.com
14.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729ebay.com
15.
 
Nikon D40 124 mm 94 mm 64 mm 522 g 470 n Nov 2006 499ebay.com
16.
 
Olympus E-450 130 mm 91 mm 53 mm 440 g 500 n Mar 2009 499ebay.com
17.
 
Olympus E-420 130 mm 91 mm 53 mm 440 g 500 n Mar 2008 599ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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Any camera decision will obviously take relative prices into account. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The D3000 was launched at a markedly lower price (by 50 percent) than the D7100, 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.

Sensor comparison

The size of the sensor inside a digital camera is one of the key determinants of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Both cameras under consideration feature an APS-C sensor, but their sensors differ slightly in size. The sensor area in the D7100 is 2 percent smaller. 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.

Technology-wise, the D7100 uses a more advanced image processing engine (EXPEED 4) than the D3000 (EXPEED), with benefits for noise reduction, color accuracy, and processing speed.

Nikon D3000 and Nikon D7100 sensor measures

Despite having a slightly smaller sensor, the D7100 offers a higher resolution of 24 megapixels, compared with 10 MP of the D3000. This megapixels advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.91μm versus 6.11μm for the D3000). However, it should be noted that the D7100 is much more recent (by 3 years and 6 months) than the D3000, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the D7100 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Nikon D7100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D7100 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Nikon D3000 are 19.4 x 13 inches or 49.2 x 32.9 cm for good quality, 15.5 x 10.4 inches or 39.3 x 26.3 cm for very good quality, and 12.9 x 8.6 inches or 32.8 x 21.9 cm for excellent quality prints.

The Nikon D3000 has a native sensitivity range from ISO 100 to ISO 1600, which can be extended to ISO 100-3200. The corresponding ISO settings for the Nikon D7100 are ISO 100 to ISO 6400, with the possibility to increase the ISO range to 50-25600.

In terms of underlying technology, the D3000 is build around a CCD sensor, while the D7100 uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

D3000 versus D7100 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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 D7100 offers substantially better image quality than the D3000 (overall score 21 points higher). The advantage is based on 1.9 bits higher color depth, 2.6 EV in additional dynamic range, and 1.2 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.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362
2.
 
Nikon D7100 APS-C 24.0 6000 40001080/60p24.213.7125683
3.
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.692668
4.
 
Fujifilm X100 APS-C 12.2 4288 2848720/30p22.912.4100173
5.
 
Nikon D7500 APS-C 20.7 5568 37124K/30p24.314.0148386
6.
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.6133387
7.
 
Nikon D3300 APS-C 24.0 6000 40001080/60p24.312.8138582
8.
 
Nikon D3200 APS-C 24.1 6016 40001080/30p24.113.2113181
9.
 
Nikon D7000 APS-C 16.1 4928 32641080/24p23.513.9116780
10.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
11.
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872
12.
 
Nikon D60 APS-C 10.0 3872 2592none22.511.456265
13.
 
Nikon D90 APS-C 12.2 4288 2848720/24p22.712.597773
14.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
15.
 
Nikon D40 APS-C 6.0 3008 2000none21.011.056156
16.
 
Olympus E-450 Four Thirds 10.0 3648 2736none21.510.551256
17.
 
Olympus E-420 Four Thirds 10.0 3648 2736none21.510.452756
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Many modern cameras are not only capable of taking still images, but can also record movies. The D7100 indeed provides for movie recording, while the D3000 does not. The highest resolution format that the D7100 can use is 1080/60p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The D3000 and the D7100 are similar in the sense that both have an optical viewfinder. The latter is useful for getting a clear image for framing even in brightly lit environments. The viewfinder in the D7100 offers a wider field of view (100%) than the one in the D3000 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the D7100 has a higher magnification (0.63x vs 0.53x), 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 D3000 and Nikon D7100 along with similar information for a selection of comparators.

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Core Features
# image Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Specifications
(inch/000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Max
Shutter
Speed *
Max
Shutter
Flaps *
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Nikon D3000optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
2.
 
Nikon D7100optical Y3.2 / 1229 fixed n 1/8000s 6.0/s Y n
3.
 
Canon 70Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y n
4.
 
Fujifilm X1001440 n2.8 / 460 fixed n 1/4000s 5.0/s Y n
5.
 
Nikon D7500optical Y3.2 / 922 tilting Y 1/8000s 8.0/s Y n
6.
 
Nikon D7200optical Y3.2 / 1229 fixed n 1/8000s 6.0/s Y n
7.
 
Nikon D3300optical n3.0 / 921 fixed n 1/4000s 5.0/s Y n
8.
 
Nikon D3200optical n3.0 / 921 fixed n 1/4000s 4.0/s Y n
9.
 
Nikon D7000optical Y3.0 / 921 fixed n 1/8000s 6.0/s Y n
10.
 
Nikon D3100optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
11.
 
Nikon D5000optical n2.7 / 230 full-flex n 1/4000s 4.0/s Y n
12.
 
Nikon D60optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
13.
 
Nikon D90optical Y3.0 / 920 fixed n 1/4000s 4.5/s Y n
14.
 
Nikon D40Xoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
15.
 
Nikon D40optical n2.5 / 230 fixed n 1/4000s 2.5/s Y n
16.
 
Olympus E-450optical n2.7 / 215 fixed n 1/4000s 3.5/s Y n
17.
 
Olympus E-420optical n2.7 / 215 fixed n 1/4000s 3.5/s Y n
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
padding

One feature that is present on the D7100, but is missing on the D3000 is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.

The Nikon D7100 has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

The D3000 writes its imaging data to SDHC cards, while the D7100 uses SDXC cards. The D7100 features dual card slots, which can be very useful in case a memory card fails. In contrast, the D3000 only has one slot. The D7100 supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the D3000 cannot take advantage of Ultra High Speed SD cards.

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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 D3000 and Nikon D7100 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D3000Y- / ----2.0---
2.
 
Nikon D7100Ystereo / monoYYmini2.0---
3.
 
Canon 70DYstereo / monoY-mini2.0Y--
4.
 
Fujifilm X100Ystereo / ---mini2.0---
5.
 
Nikon D7500Ystereo / monoYYmini2.0Y-Y
6.
 
Nikon D7200Ystereo / monoYYmini2.0YY-
7.
 
Nikon D3300Ymono / monoY-mini2.0---
8.
 
Nikon D3200Ymono / monoY-mini2.0---
9.
 
Nikon D7000Ymono / monoY-mini2.0---
10.
 
Nikon D3100Ymono / mono--mini2.0---
11.
 
Nikon D5000Ymono / mono--mini2.0---
12.
 
Nikon D60Y- / ----2.0---
13.
 
Nikon D90Ymono / mono--mini2.0---
14.
 
Nikon D40XY- / ----2.0---
15.
 
Nikon D40Y- / ----2.0---
16.
 
Olympus E-450Y- / ----2.0---
17.
 
Olympus E-420Y- / ----2.0---
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Both the D3000 and the D7100 have been discontinued, but can regularly be found used on ebay. The D3000 was replaced by the Nikon D3100, while the D7100 was followed by the Nikon D7200. Further information on the features and operation of the D3000 and D7100 can be found, respectively, in the Nikon D3000 Manual (free pdf) or the online Nikon D7100 Manual.

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Review summary

So what conclusions can be drawn? Is the Nikon D3000 better than the Nikon D7100 or vice versa? A synthesis of the relative strong points of each of the models is listed below.


Advantages of the Nikon D3000:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • More compact: Is smaller (126x97mm vs 136x107mm) and thus needs less room in the bag.
  • Less heavy: Is lighter (by 229g or 30 percent) and hence easier to carry around.
  • More affordable: Was introduced into a lower priced category (50 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in July 2009).


Arguments in favor of the Nikon D7100:

  • More detail: Has more megapixels (24 vs 10MP), which boosts linear resolution by 55%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores substantially higher (21 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.9 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (2.6 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (1.2 stops ISO advantage).
  • Better jpgs: Has a more modern image processing engine (EXPEED 4 vs EXPEED).
  • Broader imaging potential: Can capture not only stills but also 1080/60p video.
  • More complete view: Has a viewfinder with a larger field of view (100% vs 95%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.63x vs 0.53x).
  • Easier setting verification: Features a control panel on top to check shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1229k vs 230k dots).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Faster burst: Shoots at higher frequency (6 vs 3 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Longer lasting: Gets more shots (950 versus 500) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
  • More modern: Reflects 3 years and 6 months of technical progress since the D3000 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the D7100 is the clear winner of the contest (21 : 5 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

D3000 05:21 D7100

How about other alternatives? Do the specifications of the Nikon D3000 and the Nikon D7100 place the cameras among the top in their class? Find out in the latest Best DSLR Camera listing 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 incomplete and does no justice, for example, to the way the D3000 or the D7100 perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). 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.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D3000..+..72/1004/54.5/5 Jul 2009 599ebay.com
2.
 
Nikon D71005/5+ +..85/1004.5/54.5/5 Feb 2013 1,199ebay.com
3.
 
Canon 70D5/5+ +..83/1004.5/55/5 Jul 2013 1,199ebay.com
4.
 
Fujifilm X1003/5....75/1004/55/5 Sep 2010 1,199ebay.com
5.
 
Nikon D75004.5/5+ +4.5/586/1005/54.5/5 Apr 2017 1,299 amazon.com
6.
 
Nikon D72004/5+ +..84/1004.5/54.5/5 Mar 2015 1,199ebay.com
7.
 
Nikon D33003/5+..77/1004.5/54.5/5 Jan 2014 499ebay.com
8.
 
Nikon D32005/5+ +..73/1004.5/54.5/5 Apr 2012 599ebay.com
9.
 
Nikon D70004/5....80/1004.5/54.5/5 Sep 2010 1,499ebay.com
10.
 
Nikon D31005/5+ +..72/1004.5/54.5/5 Aug 2010 599ebay.com
11.
 
Nikon D5000..+ +..75/1004/54.5/5 Apr 2009 749ebay.com
12.
 
Nikon D60..80/100..+ +4/54.5/5 Jan 2008 629ebay.com
13.
 
Nikon D90..+ +..+ +4/54.5/5 Aug 2008 1,299ebay.com
14.
 
Nikon D40X..79/100..+ +4/54/5 Mar 2007 729ebay.com
15.
 
Nikon D40..81/100..+ +o4.5/5 Nov 2006 499ebay.com
16.
 
Olympus E-450........4/54/5 Mar 2009 499ebay.com
17.
 
Olympus E-420..85/100..+ +4/54.5/5 Mar 2008 599ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

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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. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Nikon D3000 vs Nikon D7100

    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 D3000 Nikon D7100
    Camera Type Digital single lens reflex Digital single lens reflex
    Camera Lens Nikon F mount lenses Nikon F mount lenses
    Launch Date July 2009 February 2013
    Launch Price USD 599 USD 1,199
    Sensor Specs Nikon D3000 Nikon D7100
    Sensor Technology CCD CMOS
    Sensor Format APS-C Sensor APS-C Sensor
    Sensor Size 23.6 x 15.8 mm 23.5 x 15.6 mm
    Sensor Area 372.88 mm2 366.6 mm2
    Sensor Diagonal 28.4 mm 28.2 mm
    Crop Factor 1.5x 1.5x
    Sensor Resolution 10 Megapixels 24 Megapixels
    Image Resolution 3872 x 2592 pixels 6000 x 4000 pixels
    Pixel Pitch 6.11 μm 3.91 μm
    Pixel Density 2.69 MP/cm2 6.55 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability no Video 1080/60p Video
    ISO Setting 100 - 1,600 ISO 100 - 6,400 ISO
    ISO Boost 100 - 3,200 ISO 50 - 25,600 ISO
    Image Processor EXPEED EXPEED 4
    DXO Sensor Quality (score) 62 83
    DXO Color Depth (bits) 22.3 24.2
    DXO Dynamic Range (EV) 11.1 13.7
    DXO Low Light (ISO) 563 1256
    Screen Specs Nikon D3000 Nikon D7100
    Viewfinder Type Optical viewfinder Optical viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.53x 0.63x
    Top-Level Screen no Top Display Control Panel
    LCD Framing Live View
    Rear LCD Size 3.0inch 3.2inch
    LCD Resolution 230k dots 1229k dots
    LCD Attachment Fixed screen Fixed screen
    Shooting Specs Nikon D3000 Nikon D7100
    Focus System Phase-detect AF Phase-detect AF
    Continuous Shooting 3 shutter flaps/s 6 shutter flaps/s
    Shutter Life Expectancy100 000 actuations150 000 actuations
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDHC cards SDXC cards
    Single or Dual Card Slots Single card slot Dual card slots
    UHS card support no UHS-I
    Connectivity Specs Nikon D3000 Nikon D7100
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port no HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support no Wifi no Wifi
    Body Specs Nikon D3000 Nikon D7100
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type Nikon EN-EL9a Nikon EN-EL15
    Battery Life (CIPA)500 shots per charge950 shots per charge
    Body Dimensions 126 x 97 x 64 mm
    (5.0 x 3.8 x 2.5 in)
    136 x 107 x 76 mm
    (5.4 x 4.2 x 3.0 in)
    Camera Weight 536 g (18.9 oz) 765 g (27.0 oz)
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