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Nikon D7100 vs Panasonic GX9

The Nikon D7100 and the Panasonic Lumix DC-GX9 are two enthusiast cameras that were revealed to the public, respectively, in February 2013 and February 2018. The D7100 is a DSLR, while the GX9 is a mirrorless interchangeable lens camera. The cameras are based on an APS-C (D7100) and a Four Thirds (GX9) sensor. The Nikon has a resolution of 24 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 D7100
versus
Panasonic GX9
Nikon D7100 Panasonic GX9
Digital single lens reflex Mirrorless system camera
Nikon F mount lenses Micro Four Thirds lenses
24 MP, APS-C Sensor 20.2 MP, Four Thirds Sensor
1080/60p Video 4K/30p Video
ISO 100-6,400 (50 - 25,600) ISO 200-25,600
Optical viewfinder Electronic viewfinder (2760k dots)
3.2 LCD, 1229k dots 3.0 LCD, 1240k dots
Fixed screen (not touch-sensitive) Tilting touchscreen
6 shutter flaps per second 9 shutter flaps per second
Lens stabilization onlyIn-body stabilization
Weathersealed bodynot weather sealed
950 shots per battery charge260 shots per battery charge
136 x 107 x 76 mm, 765 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 D7100 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

An illustration of the physical size and weight of the Nikon D7100 and the Panasonic GX9 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 width, height and depth measures are rounded to the nearest millimeter.

The GX9 can be obtained in two different colors (black, silver), while the D7100 is only available in black.

Size Nikon D7100 vs Panasonic GX9
Compare D7100 versus GX9 top
Comparison D7100 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 considerably smaller (39 percent) than the Nikon D7100. Moreover, the GX9 is substantially lighter (47 percent) than the D7100. It is worth mentioning in this context that the D7100 is splash and dust resistant, while the GX9 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. 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 (D7100) 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 D7100 gets 950 shots out of its EN-EL15 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, 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 D7100 136 mm 107 mm 76 mm 765 g 950 Y Feb 2013 1,199 i
2.
 
Panasonic GX9 124 mm 72 mm 47 mm 407 g 260 n Feb 2018 849 i
3.
 
Canon 70D 139 mm 104 mm 79 mm 755 g 920 Y Jul 2013 1,199 i
4.
 
Nikon D7500 136 mm 104 mm 73 mm 720 g 950 Y Apr 2017 1,299 i
5.
 
Nikon D500 147 mm 115 mm 81 mm 860 g 1240 Y Jan 2016 1,999 i
6.
 
Nikon D7200 136 mm 107 mm 76 mm 765 g 1110 Y Mar 2015 1,199 i
7.
 
Nikon D750 141 mm 113 mm 78 mm 750 g 1230 Y Sep 2014 2,299 i
8.
 
Nikon D3300 124 mm 98 mm 76 mm 430 g 700 n Jan 2014 499 i
9.
 
Nikon D610 141 mm 113 mm 82 mm 850 g 900 Y Oct 2013 1,999 i
10.
 
Nikon D600 141 mm 113 mm 82 mm 850 g 900 Y Sep 2012 2,099 i
11.
 
Nikon D7000 132 mm 105 mm 77 mm 780 g 1050 Y Sep 2010 1,499 i
12.
 
Olympus E-M10 IV 122 mm 84 mm 49 mm 383 g 360 n Aug 2020 699 i
13.
 
Panasonic G95 130 mm 94 mm 77 mm 536 g 290 Y Apr 2019 999 i
14.
 
Panasonic LX100 II 115 mm 66 mm 65 mm 392 g 300 n Aug 2018 999 i
15.
 
Panasonic ZS200 111 mm 65 mm 45 mm 340 g 370 n Feb 2018 799 i
16.
 
Panasonic GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199 i
17.
 
Sony RX10 129 mm 88 mm 102 mm 813 g 420 Y Oct 2013 1,299 i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or 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 GX9 was launched at a markedly lower price (by 29 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

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Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units 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 D7100 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 D7100 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 D7100 and Panasonic GX9 sensor measures

With 24MP, the D7100 offers a higher resolution than the GX9 (20.2MP), but the D7100 nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 3.34μm for the GX9) due to its larger sensor. However, the GX9 is a much more recent model (by 4 years and 11 months) than the D7100, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the 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 Panasonic GX9 are 25.9 x 19.4 inches or 65.8 x 49.4 cm for good quality, 20.7 x 15.6 inches or 52.7 x 39.5 cm for very good quality, and 17.3 x 13 inches or 43.9 x 32.9 cm for excellent quality prints.

The Nikon D7100 has a native sensitivity range from ISO 100 to ISO 6400, which can be extended to ISO 50-25600. 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.

D7100 versus GX9 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"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-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 D7100 APS-C 24.0 6000 40001080/60p24.213.71256 83
2.
 
Panasonic GX9 Four Thirds 20.2 5184 38884K/30p...... ..
3.
 
Canon 70D APS-C 20.0 5472 36481080/30p22.511.6926 68
4.
 
Nikon D7500 APS-C 20.7 5568 37124K/30p24.314.01483 86
5.
 
Nikon D500 APS-C 20.7 5568 37124K/30p24.014.01324 83
6.
 
Nikon D7200 APS-C 24.0 6000 40001080/60p24.514.61333 87
7.
 
Nikon D750 Full Frame 24.2 6016 40161080/60p24.814.52956 93
8.
 
Nikon D3300 APS-C 24.0 6000 40001080/60p24.312.81385 82
9.
 
Nikon D610 Full Frame 24.2 6016 40161080/30p25.114.42925 94
10.
 
Nikon D600 Full Frame 24.2 6016 40161080/30p25.114.22980 94
11.
 
Nikon D7000 APS-C 16.1 4928 326410800/24p23.513.91167 80
12.
 
Olympus E-M10 IV Four Thirds 20.2 5184 38884K/30p...... ..
13.
 
Panasonic G95 Four Thirds 20.2 5184 38884K/30p...... ..
14.
 
Panasonic LX100 II Four Thirds 16.8 4736 35524K/30p...... ..
15.
 
Panasonic ZS200 1-inch 20.0 5472 36484K/30p...... ..
16.
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.6806 75
17.
 
Sony RX10 1-inch 20.0 5472 36481080/60p22.912.6474 69

Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the GX9 provides a better video resolution than the D7100. It can shoot movie footage at 4K/30p, while the Nikon is limited to 1080/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the GX9 has an electronic viewfinder (2760k dots), while the D7100 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 viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the GX9 has a higher magnification than the one of the D7100 (0.70x vs 0.63x), 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 D7100, 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
1.
 
Nikon D7100optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n
2.
 
Panasonic GX92760 n 3.0 1240 tilting Y 1/4000s 9.0 Y Y
3.
 
Canon 70Doptical Y 3.0 1040 swivel Y 1/8000s 7.0 Y n
4.
 
Nikon D7500optical Y 3.2 922 tilting Y 1/8000s 8.0 Y n
5.
 
Nikon D500optical Y 3.2 2359 tilting Y 1/8000s 10.0 n n
6.
 
Nikon D7200optical Y 3.2 1229 fixed n 1/8000s 6.0 Y n
7.
 
Nikon D750optical Y 3.2 1229 tilting n 1/4000s 6.0 Y n
8.
 
Nikon D3300optical n 3.0 921 fixed n 1/4000s 5.0 Y n
9.
 
Nikon D610optical Y 3.2 921 fixed n 1/4000s 6.0 Y n
10.
 
Nikon D600optical Y 3.0 921 fixed n 1/4000s 5.5 Y n
11.
 
Nikon D7000optical Y 3.0 921 fixed n 1/8000s 6.0 Y n
12.
 
Olympus E-M10 IV2360 n 3.0 1040 tilting Y 1/4000s 15.0 Y Y
13.
 
Panasonic G952360 n 3.0 1240 swivel Y 1/4000s 9.0 Y Y
14.
 
Panasonic LX100 II2764 n 3.0 1240 fixed Y 1/4000s 11.0 n Y
15.
 
Panasonic ZS2002330 n 3.0 1240 fixed Y 1/2000s 10.0 Y Y
16.
 
Panasonic GX82360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y
17.
 
Sony RX101440 Y 3.0 1229 tilting n 1/3200s 10.0 Y Y

One feature that is present on the D7100, but is missing on the GX9 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 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 D7100 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 D7100 and the GX9 write their files to SDXC cards. The D7100 features dual card slots, which can be very useful in case a memory card fails. In contrast, the GX9 only has one slot. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

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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 D7100 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
1.
 
Nikon D7100YstereomonoYYmini2.0---
2.
 
Panasonic GX9Ystereomono--micro2.0Y-Y
3.
 
Canon 70DYstereomonoY-mini2.0Y--
4.
 
Nikon D7500YstereomonoYYmini2.0Y-Y
5.
 
Nikon D500YstereomonoYYmini3.0YYY
6.
 
Nikon D7200YstereomonoYYmini2.0YY-
7.
 
Nikon D750YstereomonoYYmini2.0Y--
8.
 
Nikon D3300YmonomonoY-mini2.0---
9.
 
Nikon D610YmonomonoYYmini2.0---
10.
 
Nikon D600YmonomonoYYmini2.0---
11.
 
Nikon D7000YmonomonoY-mini2.0---
12.
 
Olympus E-M10 IVYstereomono--micro2.0Y-Y
13.
 
Panasonic G95YstereomonoYYmicro2.0Y-Y
14.
 
Panasonic LX100 IIYstereomono--micro2.0Y-Y
15.
 
Panasonic ZS200-stereomono--micro2.0Y-Y
16.
 
Panasonic GX8YstereomonoY-micro2.0YY-
17.
 
Sony RX10YstereomonoYYmicro2.0YY-

It is notable that the D7100 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 D7100 has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the D7100 was succeeded by the Nikon D7200. 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.

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Review summary

So how do things add up? Which of the two cameras – the Nikon D7100 or the Panasonic GX9 – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.

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Arguments in favor of the Nikon D7100:

  • More detail: Offers more megapixels (24 vs 20.2MP) with a 11% higher linear resolution.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Better sound control: Has a headphone port that enables audio monitoring while recording.
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Features an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/4000s) to freeze action.
  • Longer lasting: Can take more shots (950 versus 260) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
  • More heavily discounted: Has been available for much longer (launched in February 2013).

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Advantages of the Panasonic Lumix DC-GX9:

  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • More framing info: Has an electronic viewfinder that displays shooting data.
  • Larger viewfinder image: Features a viewfinder with a higher magnification (0.70x vs 0.63x).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Fewer buttons to press: Has a touchscreen to facilitate handling and shooting adjustments.
  • Faster burst: Shoots at higher frequency (9 vs 6 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (124x72mm vs 136x107mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 358g or 47 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 affordable: Was introduced into a lower priced category (29 percent cheaper at launch).
  • More modern: Reflects 4 years and 11 months of technical progress since the D7100 launch.

If the number of relative strengths (bullet points above) is taken as a guide, the GX9 is the clear winner of the contest (16 : 11 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.

D7100 11:16 GX9

How about other alternatives? Do the specifications of the Nikon D7100 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 comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the D7100 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 (amateurphotographer [AP], cameralabs [CL], 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 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Nikon D71005/5+ +85/1004.5/54.5/5 Feb 2013 1,199 i
2.
 
Panasonic GX94/5+84/1004.5/54.5/5 Feb 2018 849 i
3.
 
Canon 70D5/5+ +83/1004.5/55/5 Jul 2013 1,199 i
4.
 
Nikon D75004.5/5+ +86/1005/54.5/5 Apr 2017 1,299 i
5.
 
Nikon D5005/5+ +91/1004.5/55/5 Jan 2016 1,999 i
6.
 
Nikon D72004/5+ +84/1004.5/54.5/5 Mar 2015 1,199 i
7.
 
Nikon D7505/5+ +90/1004.5/54.5/5 Sep 2014 2,299 i
8.
 
Nikon D33003/5+77/1004.5/54.5/5 Jan 2014 499 i
9.
 
Nikon D6104/5+ +87/1004.5/54.5/5 Oct 2013 1,999 i
10.
 
Nikon D6004/5+ +87/1005/54.5/5 Sep 2012 2,099 i
11.
 
Nikon D70004/5..80/1004.5/54.5/5 Sep 2010 1,499 i
12.
 
Olympus E-M10 IV4.5/5..81/1004.5/54.5/5 Aug 2020 699 i
13.
 
Panasonic G954.5/5+83/1004.5/54.5/5 Apr 2019 999 i
14.
 
Panasonic LX100 II4.5/5+82/1004.5/54.5/5 Aug 2018 999 i
15.
 
Panasonic ZS200..+ +81/1004.5/54.5/5 Feb 2018 799 i
16.
 
Panasonic GX85/5+82/1004.5/54.5/5 Jul 2015 1,199 i
17.
 
Sony RX105/5+80/1004.5/54.5/5 Oct 2013 1,299 i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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. Also, please note that some of the review sites have changed their methodology and reporting over time.

Nikon D7100:
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. 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 D7100 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 D7100 Panasonic GX9
    Camera Type Digital single lens reflex Mirrorless system camera
    Camera Lens Nikon F mount lenses Micro Four Thirds lenses
    Launch Date February 2013 February 2018
    Launch Price USD 1,199 USD 849
    Sensor Specs Nikon D7100 Panasonic GX9
    Sensor Technology CMOS CMOS
    Sensor Format APS-C Sensor Four Thirds Sensor
    Sensor Size 23.5 x 15.6 mm 17.3 x 13.0 mm
    Sensor Area 366.6 mm2 224.9 mm2
    Sensor Diagonal 28.2 mm 21.6 mm
    Crop Factor 1.5x 2.0x
    Sensor Resolution 24 Megapixels 20.2 Megapixels
    Image Resolution 6000 x 4000 pixels 5184 x 3888 pixels
    Pixel Pitch 3.91 μm 3.34 μm
    Pixel Density 6.55 MP/cm2 8.96 MP/cm2
    Moiré control no AA filter no AA filter
    Movie Capability 1080/60p Video 4K/30p Video
    ISO Setting 100 - 6,400 ISO 200 - 25,600 ISO
    ISO Boost 50 - 25,600 ISO 100 - 25,600 ISO
    Image Processor EXPEED 4 Venus
    DXO Sensor Quality (score) 83 ..
    DXO Color Depth (bits) 24.2 ..
    DXO Dynamic Range (EV) 13.7 ..
    DXO Low Light (ISO) 1256 ..
    Screen Specs Nikon D7100 Panasonic GX9
    Viewfinder Type Optical viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.63x 0.70x
    Viewfinder Resolution 2760k dots
    Top-Level Screen Control Panel no Top Display
    LCD Framing Live View Live View
    Rear LCD Size 3.2inch 3.0inch
    LCD Resolution 1229k dots 1240k dots
    LCD Attachment Fixed screen Tilting screen
    Touch Input no Touchscreen Touchscreen
    Shooting Specs Nikon D7100 Panasonic GX9
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/4000s
    Continuous Shooting 6 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 Built-in Flash Built-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Nikon D7100 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
    Headphone Socket Headphone port no Headphone port
    Wifi Support no Wifi Wifi built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Nikon D7100 Panasonic GX9
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type EN-EL15 DMW-BLG10
    Battery Life (CIPA)950 shots per charge260 shots per charge
    In-Camera Charging no USB charging USB charging
    Body Dimensions 136 x 107 x 76 mm
    (5.4 x 4.2 x 3.0 in)
    124 x 72 x 47 mm
    (4.9 x 2.8 x 1.9 in)
    Camera Weight 765 g (27.0 oz) 407 g (14.4 oz)

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