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Nikon D3100 vs Panasonic G2

The Nikon D3100 and the Panasonic Lumix DMC-G2 are two digital cameras that were revealed to the public, respectively, in August 2010 and March 2010. The D3100 is a DSLR, while the G2 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D3100) and a Four Thirds (G2) sensor. The Nikon has a resolution of 14.2 megapixels, whereas the Panasonic provides 12 MP.

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

Headline Specifications
Nikon D3100
versus
Panasonic G2
Nikon D3100   Panasonic G2
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
14.2 MP – APS-C sensor 12 MP – Four Thirds sensor
1080/24p Video 720/30p Video
ISO 100-3,200 (100 - 12,800) ISO 100-6,400
Optical viewfinder Electronic viewfinder (1440k dots)
3.0" LCD – 230k dots 3.0" LCD – 460k dots
Fixed screen (not touch-sensitive) Swivel touchscreen
3 shutter flaps per second 2.6 shutter flaps per second
550 shots per battery charge360 shots per battery charge
124 x 96 x 75 mm, 505 g 124 x 84 x 74 mm, 428 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D3100 and the Panasonic Lumix DMC-G2? 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

The side-by-side display below illustrates the physical size and weight of the Nikon D3100 and the Panasonic G2. 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 measures are rounded to the nearest millimeter.

The D3100 can be obtained in two different colors (black, red), while the G2 is available in three color-versions (black, blue, red).

Size Nikon D3100 vs Panasonic G2
Compare D3100 versus G2 top
Comparison D3100 or G2 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic G2 is notably smaller (12 percent) than the Nikon D3100. Moreover, the G2 is markedly lighter (15 percent) than the D3100. In this context, it is worth noting that neither the D3100 nor the G2 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. A larger imaging sensor will tend to go along with bigger and heavier lenses, although exceptions exist. You can compare the optics available for the two cameras in the Nikon Lens Catalog (D3100) and the Micro Four Thirds Lens Catalog (G2). Mirrorless cameras, such as the G2, 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 G2 can take 360 images on a single charge of its DMW-BLB13 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

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Body Specifications
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D3100 124 mm 96 mm 75 mm 505 g 550 n Aug 2010 599ebay.com
2.
 
Panasonic G2 124 mm 84 mm 74 mm 428 g 360 n Mar 2010 599ebay.com
3.
 
Nikon D3200 125 mm 96 mm 77 mm 505 g 540 n Apr 2012 599ebay.com
4.
 
Nikon D5100 128 mm 97 mm 79 mm 560 g 660 n Apr 2011 749ebay.com
5.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499ebay.com
6.
 
Nikon D3000 126 mm 97 mm 64 mm 536 g 500 n Jul 2009 599ebay.com
7.
 
Nikon D5000 127 mm 104 mm 80 mm 590 g 510 n Apr 2009 749ebay.com
8.
 
Nikon D60 126 mm 94 mm 64 mm 522 g 500 n Jan 2008 629ebay.com
9.
 
Nikon D40X 124 mm 94 mm 64 mm 522 g 520 n Mar 2007 729ebay.com
10.
 
Nikon D40 124 mm 94 mm 64 mm 522 g 470 n Nov 2006 499ebay.com
11.
 
Panasonic G3 115 mm 84 mm 47 mm 336 g 270 n May 2011 599ebay.com
12.
 
Panasonic G10 124 mm 84 mm 74 mm 388 g 380 n Mar 2010 499ebay.com
13.
 
Panasonic GH2 124 mm 90 mm 76 mm 442 g 330 n Sep 2010 899ebay.com
14.
 
Panasonic GH1 124 mm 90 mm 45 mm 385 g 300 n Mar 2009 899ebay.com
15.
 
Panasonic G1 124 mm 84 mm 45 mm 360 g 410 n Sep 2008 599ebay.com
16.
 
Sony NEX-5N 111 mm 59 mm 38 mm 269 g 460 n Aug 2011 699ebay.com
17.
 
Sony NEX-C3 110 mm 60 mm 33 mm 225 g 400 n Jun 2011 599ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

Any camera decision will naturally be influenced heavily by the price. 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 two cameras under review were launched at the same price and fall into the same 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 imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Nikon D3100 features an APS-C sensor and the Panasonic G2 a Four Thirds sensor. The sensor area in the G2 is 37 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.5 and 2.0. The sensor in the D3100 has a native 3:2 aspect ratio, while the one in the G2 offers a 4:3 aspect.

Nikon D3100 and Panasonic G2 sensor measures

With 14.2MP, the D3100 offers a higher resolution than the G2 (12MP), but the D3100 nevertheless has larger individual pixels (pixel pitch of 5.01μm versus 4.33μm for the G2) due to its larger sensor. Moreover, the D3100 is a somewhat more recent model (by 5 months) than the G2, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The resolution advantage of the Nikon D3100 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the D3100 for good quality output (200 dots per inch) amounts to 23 x 15.4 inches or 58.5 x 39 cm, for very good quality (250 dpi) 18.4 x 12.3 inches or 46.8 x 31.2 cm, and for excellent quality (300 dpi) 15.4 x 10.2 inches or 39 x 26 cm. The corresponding values for the Panasonic G2 are 20 x 15 inches or 50.8 x 38.1 cm for good quality, 16 x 12 inches or 40.6 x 30.5 cm for very good quality, and 13.3 x 10 inches or 33.9 x 25.4 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 Panasonic Lumix DMC-G2 are ISO 100 to ISO 6400 (no boost).

Technology-wise, both cameras are equipped with CMOS (Complementary Metal–Oxide–Semiconductor) sensors. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

D3100 versus G2 MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under review, the D3100 provides substantially higher image quality than the G2, with an overall score that is 14 points higher. This advantage is based on 1.3 bits higher color depth, 1 EV in additional dynamic range, and 0.9 stops in additional low light sensitivity. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
2.
 
Panasonic G2 Four Thirds 12.0 4000 3000720/30p21.210.349353
3.
 
Nikon D3200 APS-C 24.1 6016 40001080/30p24.113.2113181
4.
 
Nikon D5100 APS-C 16.1 4928 32641080/30p23.513.6118380
5.
 
Nikon D7000 APS-C 16.1 4928 32641080/24p23.513.9116780
6.
 
Nikon D3000 APS-C 10.0 3872 2592none22.311.156362
7.
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872
8.
 
Nikon D60 APS-C 10.0 3872 2592none22.511.456265
9.
 
Nikon D40X APS-C 10.0 3872 2592none22.411.451663
10.
 
Nikon D40 APS-C 6.0 3008 2000none21.011.056156
11.
 
Panasonic G3 Four Thirds 15.8 4592 34481080/60i21.010.666756
12.
 
Panasonic G10 Four Thirds 12.0 4000 3000720/30p21.210.141152
13.
 
Panasonic GH2 Four Thirds 15.9 4608 34561080/60i21.211.365560
14.
 
Panasonic GH1 Four Thirds 12.0 4000 30001080/24p21.611.677264
15.
 
Panasonic G1 Four Thirds 12.0 4000 3000none21.110.346353
16.
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977
17.
 
Sony NEX-C3 APS-C 16.0 4912 3264720/30p22.712.2108373

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the D3100 provides a higher video resolution than the G2. It can shoot video footage at 1080/24p, while the Panasonic is limited to 720/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the G2 has an electronic viewfinder (1440k 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 G2 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. In addition, the viewfinder of the G2 has a higher magnification (0.70x vs 0.53x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The table below summarizes some of the other core capabilities of the Nikon D3100 and Panasonic G2 in connection with corresponding information for a sample of similar cameras.

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Core Features
    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 D3100optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
2.
 
Panasonic G21440 n3.0 / 460 swivel Y 1/4000s 2.6/s Y n
3.
 
Nikon D3200optical n3.0 / 921 fixed n 1/4000s 4.0/s Y n
4.
 
Nikon D5100optical n3.0 / 921 swivel n 1/4000s 4.0/s Y n
5.
 
Nikon D7000optical Y3.0 / 921 fixed n 1/8000s 6.0/s Y n
6.
 
Nikon D3000optical n3.0 / 230 fixed n 1/4000s 3.0/s Y n
7.
 
Nikon D5000optical n2.7 / 230 full-flex n 1/4000s 4.0/s Y n
8.
 
Nikon D60optical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
9.
 
Nikon D40Xoptical n2.5 / 230 fixed n 1/4000s 3.0/s Y n
10.
 
Nikon D40optical n2.5 / 230 fixed n 1/4000s 2.5/s Y n
11.
 
Panasonic G31440 n3.0 / 460 swivel Y 1/4000s 4.0/s Y n
12.
 
Panasonic G10202 n3.0 / 460 fixed n 1/4000s 2.6/s Y n
13.
 
Panasonic GH21534 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
14.
 
Panasonic GH11440 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
15.
 
Panasonic G11440 n3.0 / 460 swivel n 1/4000s 3.0/s Y n
16.
 
Sony NEX-5Noptional n3.0 / 920 tilting Y 1/4000s 10.0/s n n
17.
 
Sony NEX-C3optional n3.0 / 920 tilting n 1/4000s 5.5/s n n
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The G2 has a touchscreen, while the D3100 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The G2 has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the D3100 does not have a selfie-screen.

Concerning the storage of imaging data, both the D3100 and the G2 write their files to SDXC 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 Panasonic Lumix DMC-G2 and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Nikon D3100Ymono / mono--mini2.0---
2.
 
Panasonic G2Ystereo / mono--mini2.0---
3.
 
Nikon D3200Ymono / monoY-mini2.0---
4.
 
Nikon D5100Ymono / monoY-mini2.0---
5.
 
Nikon D7000Ymono / monoY-mini2.0---
6.
 
Nikon D3000Y- / ----2.0---
7.
 
Nikon D5000Ymono / mono--mini2.0---
8.
 
Nikon D60Y- / ----2.0---
9.
 
Nikon D40XY- / ----2.0---
10.
 
Nikon D40Y- / ----2.0---
11.
 
Panasonic G3Ystereo / mono--mini2.0---
12.
 
Panasonic G10Ymono / ---mini2.0---
13.
 
Panasonic GH2Ystereo / monoY-mini2.0---
14.
 
Panasonic GH1Ystereo / -Y-mini2.0---
15.
 
Panasonic G1Y- / ---mini2.0---
16.
 
Sony NEX-5NYstereo / mono--mini2.0---
17.
 
Sony NEX-C3Ystereo / mono--mini2.0---

Both the D3100 and the G2 have been discontinued, but can regularly be found used on ebay. The G2 was replaced by the Panasonic G3, while the D3100 was followed by the Nikon D3200. Further information on the features and operation of the D3100 and G2 can be found, respectively, in the Nikon D3100 Manual (free pdf) or the online Panasonic G2 Manual.

Review summary

So what is the bottom line? Which of the two cameras – the Nikon D3100 or the Panasonic G2 – has the upper hand? Is one clearly better than the other? A synthesis of the relative strong points of each of the models is listed below.

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Advantages of the Nikon D3100:

  • More detail: Offers more megapixels (14.2 vs 12MP) with a 11% higher linear resolution.
  • Better image quality: Scores substantially higher (14 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (1.3 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (1 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (0.9 stops ISO advantage).
  • Better video: Provides higher definition movie capture (1080/24p vs 720/30p).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Faster burst: Shoots at higher frequency (3 vs 2.6 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (550 versus 360) on a single battery charge.
  • More modern: Is somewhat more recent (announced 5 months after the G2).

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Reasons to prefer the Panasonic Lumix DMC-G2:

  • 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%).
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.53x).
  • More detailed LCD: Has a higher resolution rear screen (460k vs 230k dots).
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • More compact: Is smaller (124x84mm vs 124x96mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 77g or 15 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • More heavily discounted: Has been on the market for longer (launched in March 2010).

If the number of relative strengths (bullet points above) is taken as a guide, the G2 comes out slightly ahead of the D3100 (11 : 10 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 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.

D3100 10:11 G2

How about other alternatives? Do the specifications of the Nikon D3100 and the Panasonic G2 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 says little about, for example, the shooting experience and imaging performance of the D3100 and the G2 in practical situations. 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 where reviews by experts come in. 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
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D31005/5+ +..72/1004.5/54.5/5 Aug 2010 599ebay.com
2.
 
Panasonic G2......72/1004/54.5/5 Mar 2010 599ebay.com
3.
 
Nikon D32005/5+ +..73/1004.5/54.5/5 Apr 2012 599ebay.com
4.
 
Nikon D51005/5+ +..76/1004.5/54.5/5 Apr 2011 749ebay.com
5.
 
Nikon D70004/5....80/1004.5/54.5/5 Sep 2010 1,499ebay.com
6.
 
Nikon D3000..+..72/1004/54.5/5 Jul 2009 599ebay.com
7.
 
Nikon D5000..+ +..75/1004/54.5/5 Apr 2009 749ebay.com
8.
 
Nikon D60..80/100..+ +4/54.5/5 Jan 2008 629ebay.com
9.
 
Nikon D40X..79/100..+ +4/54/5 Mar 2007 729ebay.com
10.
 
Nikon D40..81/100..+ +o4.5/5 Nov 2006 499ebay.com
11.
 
Panasonic G33/5+ +..75/1004.5/55/5 May 2011 599ebay.com
12.
 
Panasonic G103/5....70/1004/54/5 Mar 2010 499ebay.com
13.
 
Panasonic GH25/5+ +..79/1004.5/55/5 Sep 2010 899ebay.com
14.
 
Panasonic GH1..+ +..72/1004.5/54.5/5 Mar 2009 899ebay.com
15.
 
Panasonic G1..+ +..70/1004/54.5/5 Sep 2008 599ebay.com
16.
 
Sony NEX-5N3/5+ +..79/1004.5/54.5/5 Aug 2011 699ebay.com
17.
 
Sony NEX-C33/5+ +..74/1004.5/54/5 Jun 2011 599ebay.com
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. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, kindly note that some of the listed sites have over time developped their review approaches and their reporting style.

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Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Nikon D3100 vs Panasonic G2

    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 Panasonic G2
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date August 2010 March 2010
    Launch Price USD 599 USD 599
    Sensor Specs Nikon D3100 Panasonic G2
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 23.1 x 15.4 mm 17.3 x 13.0 mm
    Sensor Area 355.74 mm2 224.9 mm2
    Sensor Diagonal 27.8 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 14.2 Megapixels 12 Megapixels
    Image Resolution 4608 x 3072 pixels 4000 x 3000 pixels
    Pixel Pitch 5.01 μm 4.33 μm
    Pixel Density 3.98 MP/cm2 5.34 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/24p Video 720/30p Video
    ISO Setting 100 - 3,200 ISO 100 - 6,400 ISO
    ISO Boost 100 - 12,800 ISO no Enhancement
    Image Processor EXPEED 2 Venus HD II
    DXO Sensor Quality (score) 67 53
    DXO Color Depth (bits) 22.5 21.2
    DXO Dynamic Range (EV) 11.3 10.3
    DXO Low Light (ISO) 919 493
    Screen Specs Nikon D3100 Panasonic G2
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.53x 0.70x
    Viewfinder Resolution 1440k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 230k dots 460k dots
    LCD Attachment Fixed screen Swivel screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D3100 Panasonic G2
    Focus System Phase-detect AF Contrast-detect AF
    Continuous Shooting 3 shutter flaps/s 2.6 shutter flaps/s
    Fill Flash Built-in Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support no no
    Connectivity Specs Nikon D3100 Panasonic G2
    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 Panasonic G2
    Battery Type EN-EL14 DMW-BLB13
    Battery Life (CIPA)550 shots per charge360 shots per charge
    Body Dimensions 124 x 96 x 75 mm
    (4.9 x 3.8 x 3.0 in)
    124 x 84 x 74 mm
    (4.9 x 3.3 x 2.9 in)
    Camera Weight 505 g (17.8 oz) 428 g (15.1 oz)
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