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Nikon D5100 vs Panasonic GX9

The Nikon D5100 and the Panasonic Lumix DC-GX9 are two digital cameras that were announced, respectively, in April 2011 and February 2018. The D5100 is a DSLR, while the GX9 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D5100) and a Four Thirds (GX9) sensor. The Nikon has a resolution of 16.1 megapixels, whereas the Panasonic provides 20.2 MP.

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

Headline Specifications
Nikon D5100 versus Panasonic GX9
Nikon D5100 Panasonic GX9
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
16.1 MP, APS-C Sensor 20.2 MP, Four Thirds Sensor
1080/30p Video 4K/30p Video
ISO 100-6,400 (100 - 25,600) ISO 200-25,600
Optical viewfinder Electronic viewfinder (2760k dots)
3.0 LCD, 921k dots 3.0 LCD, 1240k dots
Swivel screen (not touch-sensitive) Tilting touchscreen
4 shutter flaps per second 9 shutter flaps per second
Lens stabilization onlyIn-body stabilization
660 shots per battery charge260 shots per battery charge
128 x 97 x 79 mm, 560 g 124 x 72 x 47 mm, 407 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Nikon D5100 and the Panasonic Lumix DC-GX9? 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 physical size and weight of the Nikon D5100 and the Panasonic GX9 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.

The GX9 can be obtained in two different colors (black, silver), while the D5100 is only available in black.

Size Nikon D5100 vs Panasonic GX9
Compare D5100 versus GX9 top
Comparison D5100 or GX9 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GX9 is notably smaller (28 percent) than the Nikon D5100. Moreover, the GX9 is markedly lighter (27 percent) than the D5100. In this context, it is worth noting that neither the D5100 nor the GX9 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 (D5100) and the Micro Four Thirds Lens Catalog (GX9). Mirrorless cameras, such as the GX9, 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 D5100 gets 660 shots out of its EN-EL14 battery, while the GX9 can take 260 images on a single charge of its DMW-BLG10 power pack. The power pack in the GX9 can be charged via the USB port, which can be very convenient when travelling.

The adjacent table lists the principal physical characteristics of the two cameras alongside a wider set of alternatives. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Nikon D5100 5.0 in 3.8 in 3.1 in 19.8 oz 660 n Apr 2011 749i
 
Panasonic GX9 4.9 in 2.8 in 1.9 in 14.4 oz 260 n Feb 2018 849 i
 
Canon T2i 5.1 in 3.9 in 2.4 in 18.7 oz 440 n Feb 2010 699i
 
Nikon D5600 4.9 in 3.8 in 2.8 in 16.4 oz 970 n Nov 2016 699 i
 
Nikon D5300 4.9 in 3.9 in 3.0 in 16.9 oz 600 n Oct 2013 799i
 
Nikon D3200 4.9 in 3.8 in 3.0 in 17.8 oz 540 n Apr 2012 599i
 
Nikon D5200 5.1 in 3.9 in 3.1 in 19.6 oz 500 n Nov 2012 749i
 
Nikon D7000 5.2 in 4.1 in 3.0 in 27.5 oz 1050 Y Sep 2010 1,499i
 
Nikon D3100 4.9 in 3.8 in 3.0 in 17.8 oz 550 n Aug 2010 599i
 
Nikon D5000 5.0 in 4.1 in 3.1 in 20.8 oz 510 n Apr 2009 749i
 
Olympus E-M10 IV 4.8 in 3.3 in 1.9 in 13.5 oz 360 n Aug 2020 699 i
 
Panasonic G95 5.1 in 3.7 in 3.0 in 18.9 oz 290 Y Apr 2019 999 i
 
Panasonic LX100 II 4.5 in 2.6 in 2.6 in 13.8 oz 300 n Aug 2018 999 i
 
Panasonic ZS200 4.4 in 2.6 in 1.8 in 12.0 oz 370 n Feb 2018 799 i
 
Panasonic GX8 5.2 in 3.1 in 2.5 in 17.2 oz 330 Y Jul 2015 1,199i
 
Sony NEX-5R 4.4 in 2.3 in 1.5 in 9.7 oz 330 n Aug 2012 749i
 
Sony NEX-5N 4.4 in 2.3 in 1.5 in 9.5 oz 460 n Aug 2011 699i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

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 D5100 was launched at a somewhat lower price (by 12 percent) than the GX9, which makes it more attractive for photographers on a tight budget. 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 imaging sensor is a crucial determinant 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. Furthermore, a large sensor camera will give the photographer more possibilities to use shallow depth-of-field in order to isolate a subject from the background. On the downside, larger sensors tend to be more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Nikon D5100 features an APS-C sensor and the Panasonic GX9 a Four Thirds sensor. The sensor area in the GX9 is 39 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 D5100 has a native 3:2 aspect ratio, while the one in the GX9 offers a 4:3 aspect.

In terms of underlying technology, both cameras are build around CMOS sensors.

Nikon D5100 and Panasonic GX9 sensor measures

Despite having a smaller sensor, the GX9 offers a higher resolution of 20.2 megapixels, compared with 16.1 MP of the D5100. 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 3.34μm versus 4.80μm for the D5100). However, it should be noted that the GX9 is much more recent (by 6 years and 10 months) than the D5100, 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 GX9 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

The resolution advantage of the Panasonic GX9 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the GX9 for good quality output (200 dots per inch) amounts to 25.9 x 19.4 inches or 65.8 x 49.4 cm, for very good quality (250 dpi) 20.7 x 15.6 inches or 52.7 x 39.5 cm, and for excellent quality (300 dpi) 17.3 x 13 inches or 43.9 x 32.9 cm. The corresponding values for the Nikon D5100 are 24.6 x 16.3 inches or 62.6 x 41.5 cm for good quality, 19.7 x 13.1 inches or 50.1 x 33.2 cm for very good quality, and 16.4 x 10.9 inches or 41.7 x 27.6 cm for excellent quality prints.

The Nikon D5100 has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 100-25600. The corresponding ISO settings for the Panasonic Lumix DC-GX9 are ISO 200 to ISO 25600, with the possibility to increase the ISO range to 100-25600.

D5100 versus GX9 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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"). 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
 
Nikon D5100 APS-C 16.1 4928 32641080/30p23.513.6118380
 
Panasonic GX9 Four Thirds 20.2 5184 38884K/30p........
 
Canon T2i APS-C 17.9 5184 34561080/30p22.111.578466
 
Nikon D5600 APS-C 24.0 6000 40001080/60p24.114.0130684
 
Nikon D5300 APS-C 24.0 6000 40001080/60p24.013.9133883
 
Nikon D3200 APS-C 24.1 6016 40001080/30p24.113.2113181
 
Nikon D5200 APS-C 24.0 6000 40001080/60i24.213.9128484
 
Nikon D7000 APS-C 16.1 4928 326410800/24p23.513.9116780
 
Nikon D3100 APS-C 14.2 4608 30721080/24p22.511.391967
 
Nikon D5000 APS-C 12.2 4288 2848720/24p22.712.586872
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p........
 
Panasonic G95 Four Thirds 20.2 5184 38884K/30p........
 
Panasonic LX100 II Four Thirds 16.8 4736 35524K/30p........
 
Panasonic ZS200 1-inch 20.0 5472 36484K/30p........
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
 
Sony NEX-5R APS-C 16.0 4912 32641080/60i23.713.191078
 
Sony NEX-5N APS-C 16.0 4912 32641080/60i23.612.7107977

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the GX9 provides a better video resolution than the D5100. It can shoot movie footage at 4K/30p, while the Nikon is limited to 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the GX9 has an electronic viewfinder (2760k dots), while the D5100 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 GX9 offers a wider field of view (100%) than the one in the D5100 (95%), so that a larger proportion of the captured image is visible in the finder. In addition, the viewfinder of the GX9 has a higher magnification (0.70x vs 0.51x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The following table reports on some other key feature differences and similarities of the Nikon D5100, the Panasonic GX9, and comparable cameras.

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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
 
Nikon D5100optical n 3.0 921 swivel n 1/4000s 4.0 Y n
 
Panasonic GX92760 n 3.0 1240 tilting Y 1/4000s 9.0 Y Y
 
Canon T2ioptical n 3.0 1040 fixed n 1/4000s 3.7 Y n
 
Nikon D5600optical n 3.2 1037 swivel Y 1/4000s 5.0 Y n
 
Nikon D5300optical n 3.2 1037 swivel n 1/4000s 5.0 Y n
 
Nikon D3200optical n 3.0 921 fixed n 1/4000s 4.0 Y n
 
Nikon D5200optical n 3.0 921 swivel n 1/4000s 5.0 Y n
 
Nikon D7000optical Y 3.0 921 fixed n 1/8000s 6.0 Y n
 
Nikon D3100optical n 3.0 230 fixed n 1/4000s 3.0 Y n
 
Nikon D5000optical n 2.7 230 full-flex n 1/4000s 4.0 Y n
 
Olympus E-M10 IV2360 n 3.0 1040 tilting Y 1/4000s 15.0 Y Y
 
Panasonic G952360 n 3.0 1240 swivel Y 1/4000s 9.0 Y Y
 
Panasonic LX100 II2764 n 3.0 1240 fixed Y 1/4000s 11.0 n Y
 
Panasonic ZS2002330 n 3.0 1240 fixed Y 1/2000s 10.0 Y Y
 
Panasonic GX82360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y
 
Sony NEX-5Roptional n 3.0 920 tilting Y 1/4000s 10.0 n n
 
Sony NEX-5Noptional n 3.0 920 tilting Y 1/4000s 10.0 n n

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The GX9 has a touchscreen, while the D5100 has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The D5100 has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the GX9 does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the GX9 is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Nikon D5100 and the Panasonic GX9 both have 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.

Concerning the storage of imaging data, both the D5100 and the GX9 write their files to SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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 D5100 and Panasonic Lumix DC-GX9 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
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Nikon D5100YmonomonoY-mini2.0---
 
Panasonic GX9Ystereomono--micro2.0Y-Y
 
Canon T2iYstereo-Y-mini2.0---
 
Nikon D5600YstereomonoY-mini2.0YYY
 
Nikon D5300YstereomonoY-mini2.0Y--
 
Nikon D3200YmonomonoY-mini2.0---
 
Nikon D5200YstereomonoY-mini2.0---
 
Nikon D7000YmonomonoY-mini2.0---
 
Nikon D3100Ymonomono--mini2.0---
 
Nikon D5000Ymonomono--mini2.0---
 
Olympus E-M10 IVYstereomono--micro2.0Y-Y
 
Panasonic G95YstereomonoYYmicro2.0Y-Y
 
Panasonic LX100 IIYstereomono--micro2.0Y-Y
 
Panasonic ZS200-stereomono--micro2.0Y-Y
 
Panasonic GX8YstereomonoY-micro2.0YY-
 
Sony NEX-5RYstereomono--mini2.0Y--
 
Sony NEX-5NYstereomono--mini2.0---

It is notable that the D5100 has a microphone port, which is missing on the GX9. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

The GX9 is a recent model that features in the current product line-up of Panasonic. In contrast, the D5100 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the D5100 was succeeded by the Nikon D5200. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Nikon and Panasonic websites.

Review summary

So what is the bottom line? Is there a clear favorite between the Nikon D5100 and the Panasonic GX9? Which camera is better? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Nikon D5100:

  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Longer lasting: Can take more shots (660 versus 260) on a single battery charge.
  • More affordable: Was introduced into a lower priced segment (12 percent cheaper at launch).
  • More heavily discounted: Has been available for much longer (launched in April 2011).

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Arguments in favor of the Panasonic Lumix DC-GX9:

  • More detail: Has more megapixels (20.2 vs 16.1MP), which boosts linear resolution by 10%.
  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
  • 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 0.51x).
  • More detailed LCD: Has a higher resolution rear screen (1240k vs 921k dots).
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (9 vs 4 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (124x72mm vs 128x97mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 153g or 27 percent) and is thus easier to take along.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • Easier file upload: Has wifi built in for automatic backup or image transfer to the web.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More modern: Reflects 6 years and 10 months of technical progress since the D5100 launch.

If the count of individual advantages (bullet points above) is taken as a guide, the GX9 is the clear winner of the contest (17 : 8 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.

D5100 08:17 GX9

How about other alternatives? Do the specifications of the Nikon D5100 and the Panasonic GX9 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the D5100 and the GX9 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 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.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Nikon D5100+ +76/1004.5/55/54.5/5 Apr 2011 749i
 
Panasonic GX9+84/1004.5/54.5/54.5/5 Feb 2018 849 i
 
Canon T2i+ +77/1004/55/54.5/5 Feb 2010 699i
 
Nikon D5600..79/1004.5/54.5/54/5 Nov 2016 699 i
 
Nikon D5300+ +79/1004.5/54.5/54.5/5 Oct 2013 799i
 
Nikon D3200+ +73/1004.5/54.5/54.5/5 Apr 2012 599i
 
Nikon D5200+ +79/1004.5/54.5/54.5/5 Nov 2012 749i
 
Nikon D7000..80/1004.5/55/54.5/5 Sep 2010 1,499i
 
Nikon D3100+ +72/1004.5/55/54.5/5 Aug 2010 599i
 
Nikon D5000+ +75/1004/55/54.5/5 Apr 2009 749i
 
Olympus E-M10 IV.......... Aug 2020 699 i
 
Panasonic G95+83/1004.5/54.5/54.5/5 Apr 2019 999 i
 
Panasonic LX100 II+82/1004.5/54.5/54.5/5 Aug 2018 999 i
 
Panasonic ZS200+ +81/1004.5/5..4.5/5 Feb 2018 799 i
 
Panasonic GX8+82/1004.5/55/54.5/5 Jul 2015 1,199i
 
Sony NEX-5R....4.5/5..4.5/5 Aug 2012 749i
 
Sony NEX-5N+ +79/1004.5/55/54.5/5 Aug 2011 699i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price 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. Also, please note that some of the review sites have changed their methodology and reporting over time.

Nikon D5100:
Check Ebay offers
Panasonic GX9:
Check Amazon price

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 D5100 vs Panasonic GX9

    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 D5100 Panasonic GX9
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date April 2011 February 2018
    Launch Price USD 749 USD 849
    Sensor Specs Nikon D5100 Panasonic GX9
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 23.6 x 15.7 mm 17.3 x 13.0 mm
    Sensor Area 370.52 mm2 224.9 mm2
    Sensor Diagonal 28.3 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 16.1 Megapixels 20.2 Megapixels
    Image Resolution 4928 x 3264 pixels 5184 x 3888 pixels
    Pixel Pitch 4.80 μm 3.34 μm
    Pixel Density 4.34 MP/cm2 8.96 MP/cm2
    Moiré control Anti-Alias filter no AA filter
    Movie Capability 1080/30p Video 4K/30p Video
    ISO Setting 100 - 6,400 ISO 200 - 25,600 ISO
    ISO Boost 100 - 25,600 ISO 100 - 25,600 ISO
    Image Processor EXPEED 2 Venus
    DXO Sensor Quality (score) 80 ..
    DXO Color Depth (bits) 23.5 ..
    DXO Dynamic Range (EV) 13.6 ..
    DXO Low Light (ISO) 1183 ..
    Screen Specs Nikon D5100 Panasonic GX9
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 95% 100%
    Viewfinder Magnification 0.51x 0.70x
    Viewfinder Resolution 2760k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 921k dots 1240k dots
    LCD Attachment Swivel screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D5100 Panasonic GX9
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/4000s 1/4000s
    Continuous Shooting 4 shutter flaps/s 9 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/16000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens stabilization onlyIn-body stabilization
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Nikon D5100 Panasonic GX9
    External Flash Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port no MIC socket
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Nikon D5100 Panasonic GX9
    Battery Type EN-EL14 DMW-BLG10
    Battery Life (CIPA)660 shots per charge260 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 128 x 97 x 79 mm
    (5.0 x 3.8 x 3.1 in)
    124 x 72 x 47 mm
    (4.9 x 2.8 x 1.9 in)
    Camera Weight 560 g (19.8 oz) 407 g (14.4 oz)

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