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Panasonic GX9 Comparison Review

The Panasonic Lumix DC-GX9 is a mirrorless interchangeable lens camera that was revealed to the public in February 2018 and is equipped with a Four Thirds sensor. It offers a resolution of 20.2 megapixel.

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Is the Panasonic GX9 a good camera? The GX9 has a Camera Elo of 2655. This rating puts the GX9 among the top 40 percent of all mirrorless interchangeable lens cameras. In terms of its sensor size category (Four Thirds cameras), the GX9 ranks among the top 20 percent. Based on its within category standings, the camera earns a 4-star performance rating.

Headline Specifications
Panasonic GX9
Mirrorless system camera
Micro Four Thirds lenses
20.2 MP, Four Thirds Sensor
4K/30p Video
ISO 200 - 25 600
Electronic viewfinder (2760k dots)
3.0 LCD, 1240k dots
Tilting touchscreen
9 shutter flaps per second
In-body stabilization
260 shots per battery charge
124 x 72 x 47 mm, 407 g


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Read on to find out more about the camera's size, sensor, features, reception by expert reviewers, and how it compares to other digital cameras.

Body comparison with a credit card

The physical dimensions of the Panasonic GX9 relative to a credit card are illustrated in the side-by-side display below. 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.

Panasonic GX9 vs credit card front
GX9 versus credit card top view
GX9 and credit card rear side

The table below summarizes the key physical specs of the Panasonic GX9 alongside a set of comparators. If you want to review a camera pair side-by-side, just select a right-side comparator from among the camera models in the table. Alternatively, you can also move across to the CAM-parator tool and choose from the broad selection of possible comparisons 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
 
Panasonic GX9 4.9 in 2.8 in 1.9 in 14.4 oz 260 n Feb 2018 849 i
 
Olympus E-M10 III 4.8 in 3.3 in 2.0 in 14.5 oz 330 n Aug 2017 649i
 
Olympus PEN-F 4.9 in 2.8 in 1.5 in 15.1 oz 330 n Jan 2016 1,199i
 
Olympus E-M10 II 4.7 in 3.3 in 1.9 in 13.8 oz 320 n Aug 2015 649i
 
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 G9 5.4 in 3.8 in 3.6 in 23.2 oz 400 Y Nov 2017 1,699 i
 
Panasonic GX85 4.8 in 2.8 in 1.7 in 15.0 oz 290 n Apr 2016 799 i
 
Panasonic GX8 5.2 in 3.1 in 2.5 in 17.2 oz 330 Y Jul 2015 1,199i
 
Panasonic GX7 4.8 in 2.8 in 2.2 in 14.2 oz 350 n Aug 2013 999i
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.

The listed prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The Panasonic GX9 was launched in the US market at a price of $849. 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.

Panasonic GX9:
Check Amazon price

Sensor comparison with a 35mm slide

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

The Panasonic GX9 features a Four Thirds sensor and has a format factor (sometimes also referred to as "crop factor") of 2.0. Within the spectrum of camera sensors, this places the Panasonic GX9 among the medium-sized sensor cameras that aim to strike a balance between image quality and portability.

Panasonic GX9 sensor measures

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service assesses and scores the color depth ("DXO Portrait"), dynamic range ("DXO Landscape"), and low-light sensitivity ("DXO Sports") of camera sensors, and also publishes an overall camera score. 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
 
Panasonic GX9 Four Thirds 20.2 5184 38884K/30p........
 
Olympus E-M10 III Four Thirds 15.9 4608 34564K/30p........
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
 
Olympus E-M10 II Four Thirds 15.9 4608 34561080/60p23.112.584273
 
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 G9 Four Thirds 20.2 5184 38884K/60p........
 
Panasonic GX85 Four Thirds 15.8 4592 34484K/30p22.912.666271
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The GX9 indeed provides movie recording capabilities. The highest resolution format that the GX9 can use is 4K/30p.

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 with a resolution of 2760k dots. The viewfinder offers a field of view of 100% and a magnification of 0.70x. The adjacent tables list some of the other core features of the Panasonic GX9 along with similar information for a selection of comparators.

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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
 
Panasonic GX92760 n 3.0 1240 tilting Y 1/4000s 9.0 Y Y
 
Olympus E-M10 III2360 n 3.0 1040 tilting Y 1/4000s 8.6 Y Y
 
Olympus PEN-F2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y
 
Olympus E-M10 II2360 n 3.0 1040 tilting Y 1/4000s 8.0 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 G93680 Y 3.0 1040 swivel Y 1/8000s 20.0 n Y
 
Panasonic GX852765 n 3.0 1040 tilting Y 1/4000s 8.0 Y Y
 
Panasonic GX82360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y
 
Panasonic GX72760 n 3.0 1040 tilting Y 1/8000s 5.0 Y Y

One convenient feature of the GX9 is the presence of an on-board flash. While this built-in flash is not very powerful, it can at times be useful as a fill-in light to brighten deep shadow areas.

Connection 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 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
 
Panasonic GX9Ystereomono--micro2.0Y-Y
 
Olympus E-M10 IIIYstereomono--micro2.0Y--
 
Olympus PEN-FYstereomono--micro2.0Y--
 
Olympus E-M10 IIYstereomono--micro2.0Y--
 
Panasonic G95YstereomonoYYmicro2.0Y-Y
 
Panasonic LX100 IIYstereomono--micro2.0Y-Y
 
Panasonic ZS200-stereomono--micro2.0Y-Y
 
Panasonic G9YstereomonoYYfull3.0Y-Y
 
Panasonic GX85Ystereomono--micro2.0Y--
 
Panasonic GX8YstereomonoY-micro2.0YY-
 
Panasonic GX7Ystereomono--mini2.0YY-

It is notable that the GX9 offers wifi support. Wifi can be a very convenient means to transfer image data to an off-camera location.

Expert reviews

While the specs-based evaluation of cameras is instructive in revealing their potential as photographic tools, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the GX9 in practical situations. User reviews that are available, for instance, at amazon can sometimes shed light on these issues, but such feedback is all too often partial, inconsistent, and inaccurate. This is why expert reviews are important. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog).

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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
 
Panasonic GX9+84/1004.5/54.5/54.5/5 Feb 2018 849 i
 
Olympus E-M10 III+80/1004.5/54/54.5/5 Aug 2017 649i
 
Olympus PEN-F..82/1004.5/54.5/55/5 Jan 2016 1,199i
 
Olympus E-M10 II+ +80/1005/55/55/5 Aug 2015 649i
 
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 G9+ +85/1005/55/55/5 Nov 2017 1,699 i
 
Panasonic GX85+ +82/1005/54.5/55/5 Apr 2016 799 i
 
Panasonic GX8+82/1004.5/55/54.5/5 Jul 2015 1,199i
 
Panasonic GX7+79/1005/54.5/55/5 Aug 2013 999i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings were established in reference to similarly priced cameras that were available in the market at the time of the review. 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.

Panasonic GX9 FAQ

Below are some additional questions and answers concerning some particular features of the GX9.

What is the technology behind the imaging sensor in the GX9?

The camera has a CMOS (Complementary Metal–Oxide–Semiconductor) sensor at its core.

Which image processing chip is used to convert the raw signal into an image file and perform noise reduction and image sharpening?

Panasonic equipped the GX9 with the Venus image processor.

What is the ISO sensitivity range of the GX9?

The camera has a native sensitivity range from ISO 200 to ISO 25600, which can be extended to ISO 100-25600.

What is the life expectancy of the shutter in the Panasonic Lumix DC-GX9?

Panasonic does not publish a shutter rating for the GX9. Yet, shutters in comparable cameras from other manufacturers are said to be good for at least 100 000 actuations. It should be noted, though, that this number represents a Mean Time before Failure. The shutter might fail earlier, or it might last longer. Anyway, in order to exhaust an expected shutter life of 100 000 shots over, say, three years, one would have to take about 100 pictures each and every day.

Is completely silent shooting possible with the Panasonic GX9?

The camera has an electronic shutter option, so that it is indeed feasible to capture images without any shutter noise.

Do I need to purchase an external camera trigger to shoot time-lapse sequences?

No, the Panasonic Lumix DC-GX9 has an intervalometer built-in, so that low frequency shooting (for example, flower blooming, sunset, moon rise) can be undertaken without the need to purchase a separate external intervalometer and related software.

Is it difficult to use manual focus lenses with the Panasonic GX9?

The GX9 offers focus peaking as a manual focus aid. This feature works by placing a colored highlight on in-focus zones within the image.

Does the Panasonic GX9 feature an autofocus assist light?

Yes, the camera has a lamp built-in that can illuminate the subject and improve autofocus in low-light settings.

What is the fastest shutter speed that can be used with flash?

The GX9's flash sync speed is 1/200 sec.

Does the Panasonic GX9 support the Ultra High Speed (UHS) bus interface for SD cards?

Yes, the camera can indeed use UHS-I cards (data transfer speed of up to 104 MB/s).

Which battery does the GX9 use?

The camera gets its power from the DMW-BLG10 (here at amazon), which is a rechargeable Lithium-Ion power pack.

Camera to camera comparisons

In case you would like to check on the differences and similarities with 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 Summary
    Camera Model Panasonic GX9
    Camera Type Mirrorless system camera
    Camera Lens Micro Four Thirds lenses
    Launch Date February 2018
    Launch Price USD 849
    Sensor Specs
    Sensor Technology CMOS
    Sensor Format Four Thirds Sensor
    Sensor Size 17.3 x 13.0 mm
    Sensor Area 225 mm2
    Sensor Diagonal 21.6 mm
    Crop Factor 2.0x
    Sensor Resolution 20.2 Megapixels
    Image Resolution 5 184 x 3 888 pixels
    Pixel Pitch 3.34 μm
    Pixel Density 8.96 MP/cm2
    Moiré control no AA filter
    Movie Capability 4K/30p Video
    ISO Setting 200 - 25 600 ISO
    ISO Boost 100 - 25 600 ISO
    Image Processor Venus
    Screen Specs
    Viewfinder Type Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.70x
    Viewfinder Resolution 2760k dots
    LCD Framing Live View
    LCD Size 1240k dots
    LCD Attachment Tilting screen
    Touch Input Touchscreen
    Shooting Specs
    Focus System Contrast-detect AF
    Manual Focusing AidFocus Peaking
    Maximum Shutter Speed 1/4000s
    Continuous Shooting 9 shutter flaps/s
    Shutter Life Expectancy100 000 actuations
    Silent ShootingElectronic Shutter
    Time Lapse PhotographyIntervalometer Built-in
    Image StabilizationIn-body stabilization
    Fill Flash Build-in Flash
    Storage Medium SDXC cards
    Second Storage Option Single card slot
    UHS card support UHS-I
    Connectivity Specs
    External Flash Hotshoe
    USB Connector USB 2.0
    HDMI Port micro HDMI
    Wifi Support Wifi built-in
    Bluetooth Support Bluetooth built-in
    Body Specs
    Battery Type DMW-BLG10 power pack
    Battery Life (CIPA)260 shots per charge
    In-Camera Charging USB charging
    Body Dimensions 124 x 72 x 47 mm
    (4.9 x 2.8 x 1.9 in)
    Camera Weight 407 g (14.4 oz)

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