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Panasonic GX8 Comparison Review

The Panasonic Lumix DMC-GX8 is a mirrorless interchangeable lens camera that was revealed to the public in July 2015 and is equipped with a Four Thirds sensor. It offers a resolution of 20.2 megapixel.

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Is the Panasonic GX8 a good camera? The GX8 has a Camera Elo of 2197. This rating puts the GX8 below average of all mirrorless interchangeable lens cameras. In terms of its sensor size category (Four Thirds cameras), the GX8 ranks among the top 40 percent. Based on its within category standings, the camera earns a 3-star performance rating.

Headline Specifications
Panasonic GX8
Mirrorless system camera
Micro Four Thirds lenses
20.2 MP, Four Thirds Sensor
4K/30p Video
ISO 200 - 25 600
Electronic viewfinder (2360k dots)
3.0 LCD, 1040k dots
Swivel touchscreen
10 shutter flaps per second
In-body stabilization
Weathersealed body
330 shots per battery charge
133 x 78 x 63 mm, 487 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 GX8 relative to a credit card are illustrated in the side-by-side display below. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Panasonic GX8 vs credit card front
GX8 versus credit card top view
GX8 and credit card rear side

The table below summarizes the key physical specs of the Panasonic GX8 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 GX8 133 mm 78 mm 63 mm 487 g 330 Y Jul 2015 1,199i
 
Olympus E-M1 II 134 mm 91 mm 67 mm 574 g 440 Y Sep 2016 1,999 i
 
Olympus PEN-F 125 mm 72 mm 37 mm 427 g 330 n Jan 2016 1,199i
 
Olympus E-M5 II 124 mm 85 mm 45 mm 469 g 310 Y Feb 2015 1,099i
 
Panasonic G90 130 mm 94 mm 77 mm 536 g 290 Y Apr 2019 999 i
 
Panasonic GX9 124 mm 72 mm 47 mm 407 g 260 n Feb 2018 849 i
 
Panasonic GH5 139 mm 98 mm 87 mm 725 g 410 Y Jan 2017 1,999 i
 
Panasonic G80 128 mm 89 mm 74 mm 505 g 330 Y Sep 2016 899i
 
Panasonic GX7 123 mm 71 mm 55 mm 402 g 350 n Aug 2013 999i
 
Sony A6300 120 mm 67 mm 49 mm 404 g 400 Y Feb 2016 999i
 
Sony A6500 120 mm 67 mm 53 mm 453 g 350 Y Oct 2016 1,399i
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 GX8 was launched in the US market at a price of $1,199. 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 GX8:
Check Ebay offers

Sensor comparison with a 35mm slide

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

The Panasonic GX8 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 GX8 among the medium-sized sensor cameras that aim to strike a balance between image quality and portability.

Panasonic GX8 sensor measures

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
 
Panasonic GX8 Four Thirds 20.2 5184 38884K/30p23.512.680675
 
Olympus E-M1 II Four Thirds 20.2 5184 38884K/30p23.712.8131280
 
Olympus PEN-F Four Thirds 20.2 5184 38881080/60p23.112.489474
 
Olympus E-M5 II Four Thirds 15.9 4608 34561080/60p23.012.584273
 
Panasonic G90 Four Thirds 20.2 5184 38884K/30p........
 
Panasonic GX9 Four Thirds 20.2 5184 38884K/30p........
 
Panasonic GH5 Four Thirds 20.2 5184 38884K/60p23.913.080777
 
Panasonic G80 Four Thirds 15.8 4592 34484K/30p22.812.565671
 
Panasonic GX7 Four Thirds 15.8 4592 34481080/60p22.612.271870
 
Sony A6300 APS-C 24.0 6000 40004K/30p24.413.7143785
 
Sony A6500 APS-C 24.0 6000 40004K/30p24.513.7140585

Many modern cameras are not only capable of taking still images, but can also record movies. The GX8 indeed provides movie recording capabilities. The highest resolution format that the GX8 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 GX8 has an electronic viewfinder with a resolution of 2360k dots. The viewfinder offers a field of view of 100% and a magnification of 0.77x. The following tables report on some other key feature differences and similarities of the Panasonic GX8 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
 
Panasonic GX82360 n 3.0 1040 swivel Y 1/8000s 10.0 n Y
 
Olympus E-M1 II2360 n 3.0 1037 swivel Y 1/8000s 18.0 n Y
 
Olympus PEN-F2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y
 
Olympus E-M5 II2360 n 3.0 1037 swivel Y 1/8000s 10.0 n Y
 
Panasonic G902360 n 3.0 1240 swivel Y 1/4000s 9.0 Y Y
 
Panasonic GX92760 n 3.0 1240 tilting Y 1/4000s 9.0 Y Y
 
Panasonic GH53680 n 3.2 1620 swivel Y 1/8000s 12.0 n Y
 
Panasonic G802360 n 3.0 1040 swivel Y 1/4000s 9.0 Y Y
 
Panasonic GX72760 n 3.0 1040 tilting Y 1/8000s 5.0 Y Y
 
Sony A63002359 n 3.0 922 tilting n 1/4000s 11.0 Y n
 
Sony A65002359 n 3.0 922 tilting Y 1/4000s 11.0 Y Y

One feature that differentiates the GX8 from many other cameras is in-body image stabilization (IBIS). The GX8 reduces the risk of handshake-induced blur with all attached lenses, while cameras without IBIS have to rely on optical image stabilization in OIS-equipped lenses to achieve the same effect.

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 DMC-GX8 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 GX8YstereomonoY-micro2.0YY-
 
Olympus E-M1 IIYstereomonoYYmicro3.0Y--
 
Olympus PEN-FYstereomono--micro2.0Y--
 
Olympus E-M5 IIYstereomonoY-micro2.0Y--
 
Panasonic G90YstereomonoYYmicro2.0Y-Y
 
Panasonic GX9Ystereomono--micro2.0Y-Y
 
Panasonic GH5YstereomonoYYfull3.1Y-Y
 
Panasonic G80YstereomonoY-micro2.0Y--
 
Panasonic GX7Ystereomono--mini2.0YY-
 
Sony A6300YstereomonoY-micro2.0YY-
 
Sony A6500YstereomonoY-micro2.0YY-

It is notable that the GX8 has a microphone port. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Expert reviews

While the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the GX8 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. This is where reviews by experts come in. The following table reports the overall rankings of the cameras as published by some of the major 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 GX8+82/1004.5/55/54.5/5 Jul 2015 1,199i
 
Olympus E-M1 II+ +85/1004.5/55/54.5/5 Sep 2016 1,999 i
 
Olympus PEN-F..82/1004.5/54.5/55/5 Jan 2016 1,199i
 
Olympus E-M5 II+ +81/1005/54.5/55/5 Feb 2015 1,099i
 
Panasonic G90+83/1004.5/54.5/54.5/5 Apr 2019 999 i
 
Panasonic GX9+84/1004.5/54.5/54.5/5 Feb 2018 849 i
 
Panasonic GH5+ +85/1004.5/55/55/5 Jan 2017 1,999 i
 
Panasonic G80+ +84/1005/54.5/54.5/5 Sep 2016 899i
 
Panasonic GX7+79/1005/54.5/55/5 Aug 2013 999i
 
Sony A6300+85/1005/55/55/5 Feb 2016 999i
 
Sony A6500+ +85/1004.5/55/54.5/5 Oct 2016 1,399i
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. Thus, a score needs to be put into the context of the launch date and the launch price 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.

Panasonic GX8 FAQ

Below are some additional questions and answers concerning some particular features of the GX8.

What type of imaging sensor is used in the GX8?

The camera is build around a CMOS (Complementary Metal–Oxide–Semiconductor) sensor.

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 GX8 with the Venus image processor.

What is the ISO sensitivity range of the GX8?

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

Does the camera have a selfie-friendly screen?

Yes, the LCD-screen of the GX8 is flexible and can be turned to be front-facing for capturing selfies.

What is the life expectancy of the shutter in the Panasonic Lumix DMC-GX8?

Panasonic does not publish a shutter rating for the GX8. Yet, shutters in comparable cameras from other manufacturers are said to be good for at least 200 000 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 200 000 shots over, say, three years, one would have to take about 200 pictures each and every day.

Is completely silent shooting possible with the Panasonic GX8?

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 DMC-GX8 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 GX8?

The GX8 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 GX8 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 GX8's flash sync speed is 1/250 sec.

Does the Panasonic GX8 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 GX8 use?

The camera gets its power from the DMW-BLC12 (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 a corresponding selection in the search boxes below. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications Summary
    Camera Model Panasonic GX8
    Camera Type Mirrorless system camera
    Camera Lens Micro Four Thirds lenses
    Launch Date July 2015
    Launch Price USD 1 199
    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 Anti-Alias filter
    Movie Capability 4K/30p Video
    ISO Setting 200 - 25 600 ISO
    ISO Boost 100 - 25 600 ISO
    Image Processor Venus
    DXO Sensor Quality (score) 75
    DXO Color Depth (bits) 23.5
    DXO Dynamic Range (EV) 12.6
    DXO Low Light (ISO) 806
    Screen Specs
    Viewfinder Type Electronic viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.77x
    Viewfinder Resolution 2360k dots
    LCD Framing Live View
    LCD Size 1040k dots
    LCD Attachment Swivel screen
    Touch Input Touchscreen
    Shooting Specs
    Focus System Contrast-detect AF
    Manual Focusing AidFocus Peaking
    Maximum Shutter Speed 1/8000s
    Continuous Shooting 10 shutter flaps/s
    Shutter Life Expectancy200 000 actuations
    Silent ShootingElectronic Shutter
    Time Lapse PhotographyIntervalometer Built-in
    Image StabilizationIn-body stabilization
    Fill Flash no On-Board 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
    Microphone Port External MIC port
    Wifi Support Wifi built-in
    Near-Field Communication NFC built-in
    Body Specs
    Environmental SealingWeathersealed body
    Battery Type DMW-BLC12 power pack
    Battery Life (CIPA)330 shots per charge
    Body Dimensions 133 x 78 x 63 mm
    (5.2 x 3.1 x 2.5 in)
    Camera Weight 487 g (17.2 oz)

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