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Panasonic GX8 versus Sony A6300

The Panasonic Lumix DMC-GX8 and the Sony Alpha A6300 are two enthusiast cameras that were revealed to the public, respectively, in July 2015 and February 2016. Both the GX8 and the A6300 are mirrorless interchangeable lens cameras that are based on a Four Thirds (GX8) and an APS-C (A6300) sensor. The Panasonic has a resolution of 20.2 megapixel, whereas the Sony provides 24 MP. Read on to find out how these two cameras compare with respect to their size, their sensors, their features, and their reception by expert reviewers.

Body comparison: Panasonic GX8 vs Sony A6300

An illustration of the physical size and weight of the Panasonic GX8 and the Sony A6300 is provided in the side-by-side display below. Three consecutive perspectives from the front, the top, and the back are presented. All width, height and depth measures are rounded to the nearest millimeter. You can also use the toggle button to switch to a percentage comparison if you prefer that the measures are being expressed in relative terms (in this case, the camera on the left – the GX8 – represents 100 percent across all the size and weight measures).

Snapsort Panasonic GX8 vs Sony A6300
Compare GX8 versus A6300 top
Compare GX8 and A6300 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A6300 is notably smaller (22 percent) than the Panasonic GX8. Moreover, the A6300 is markedly lighter (17 percent) than the GX8. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

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 find an overview of optics for the two cameras in the Micro Four Thirds Lens Catalog (GX8) and the Sony E-Mount Lens Catalog (A6300). Mirrorless cameras, such as the two under consideration, have the additional advantage of having a short flange to focal plane distance, which makes it possible to mount many lenses from other systems onto the camera via adapters.

Concerning battery life, the GX8 gets 330 shots out of its DMW-BLC12 battery, while the A6300 can take 400 images on a single charge of its NP-FW50 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, just select a new right or left 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 camera comparisons there.

Camera Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
(CIPA)
Weather
Sealing
(yes/no)
Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Panasonic GX8» 5.2 in 3.1 in 2.5 in 17.2 oz 330 Y Jul 2015 1,199- i
Sony A6300« 4.7 in 2.6 in 1.9 in 14.3 oz 400 Y Feb 2016 999- i
Canon 80D« » 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199 i i
Canon M5« » 4.6 in 3.5 in 2.4 in 15.1 oz 295 n Sep 2016 979 i i
Nikon D5500« » 4.9 in 3.8 in 2.8 in 14.8 oz 820 n Jan 2015 899- i
Olympus E-M1 II« » 5.3 in 3.6 in 2.6 in 20.2 oz 440 Y Sep 2016 1,999 i i
Olympus PEN-F« » 4.9 in 2.8 in 1.5 in 15.1 oz 330 n Jan 2016 1,199 i i
Olympus E-M5 II« » 4.9 in 3.3 in 1.8 in 16.5 oz 310 Y Feb 2015 1,099 i i
Panasonic GX9« » 4.9 in 2.8 in 1.9 in 14.4 oz 260 n Feb 2018 849 i i
Panasonic GH5« » 5.5 in 3.9 in 3.4 in 25.6 oz 410 Y Jan 2017 1,999 i i
Panasonic G85« » 5.0 in 3.5 in 2.9 in 17.8 oz 330 Y Sep 2016 899 i i
Panasonic GX85« » 4.8 in 2.8 in 1.7 in 15.0 oz 290 n Apr 2016 799 i i
Panasonic GX7« » 4.8 in 2.8 in 2.2 in 14.2 oz 350 n Aug 2013 999- i
Sony A6500« » 4.7 in 2.6 in 2.1 in 16.0 oz 350 Y Oct 2016 1,399 i i
Sony RX100 IV« » 4.0 in 2.3 in 1.6 in 10.5 oz 280 n Jun 2015 999- i
Sony A6000« » 4.7 in 2.6 in 1.8 in 12.1 oz 360 n Feb 2014 599- i

The price is, of course, an important factor in any camera decision. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The A6300 was launched at a somewhat lower price (by 17 percent) than the GX8, 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.

 

Sensor comparison: Panasonic GX8 vs Sony A6300

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. 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Panasonic GX8 features a Four Thirds sensor and the Sony A6300 an APS-C sensor. The sensor area in the A6300 is 63 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.5. The sensor in the GX8 has a native 4:3 aspect ratio, while the one in the A6300 offers a 3:2 aspect.

Panasonic GX8 and Sony A6300 sensor measures

With 24MP, the A6300 offers a higher resolution than the GX8 (20.2MP), but the A6300 nevertheless has larger individual pixels (pixel pitch of 3.91μm versus 3.34μm for the GX8) due to its larger sensor. Moreover, the A6300 is a somewhat more recent model (by 6 months) than the GX8, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

GX8 versus A6300 MP

For most cameras, data on sensor performance has been reported by DXO Mark. 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"). Of the two cameras under consideration, the A6300 has a markedly higher DXO score than the GX8 (overall score 10 points higher), which will translate into better image quality. The advantage is based on 0.9 bits higher color depth, 1.1 EV in additional dynamic range, and 0.8 stops in additional low light sensitivity. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics
  Camera 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
Sony A6300« APS-C 24.0 6000 40004K/30p24.413.7143785
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579
Canon M5« » APS-C 24.0 6000 40001080/60p23.412.4126277
Nikon D5500« » APS-C 24.0 6000 40001080/60p24.114.0143884
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 GX9« » Four Thirds 20.2 5184 38884K/30p----
Panasonic GH5« » Four Thirds 20.2 5184 38884K/60p23.913.080777
Panasonic G85« » Four Thirds 15.8 4592 34484K/30p22.812.565671
Panasonic GX85« » Four Thirds 15.8 4592 34484K/30p22.912.666271
Panasonic GX7« » Four Thirds 15.8 4592 34481080/60p22.612.271870
Sony A6500« » APS-C 24.0 6000 40004K/30p24.513.7140585
Sony RX100 IV« » 1-inch 20.0 5472 36484K/30p22.812.659170
Sony A6000« » APS-C 24.0 6000 40001080/60p24.113.1134782

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, and both provide the same movie specifications (4K/30p).

 

Feature comparison: Panasonic GX8 vs Sony A6300

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the GX8 offers a slightly higher resolution than the one in the A6300 (2360k vs 2300k dots). The table below summarizes some of the other core capabilities of the Panasonic GX8 and Sony A6300 in connection with corresponding information for a sample of similar cameras. The full specs-sheets can be found in the camera manual or, for example, in the dpreview camera hub.

Core Features
  Camera Viewfinder
(Type or
'000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
('000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Panasonic GX8»2360 n 3.0 1040 swivel Y 8000 10.0 n Y
Sony A6300«2300 n 3.0 922 tilting n 4000 11.0 Y n
Canon 80D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n
Canon M5« »2360 n 3.2 1620 tilting Y 4000 9.0 Y n
Nikon D5500« »optical n 3.2 1037 swivel Y 4000 5.0 Y n
Olympus E-M1 II« »2360 n 3.0 1037 swivel Y 8000 18.0 n Y
Olympus PEN-F« »2360 n 3.0 1037 swivel Y 8000 10.0 n Y
Olympus E-M5 II« »2360 n 3.0 1037 swivel Y 8000 10.0 n Y
Panasonic GX9« »2760 n 3.0 1240 tilting Y 4000 9.0 Y Y
Panasonic GH5« »3680 n 3.2 1620 swivel Y 8000 12.0 n Y
Panasonic G85« »2360 n 3.0 1040 swivel Y 4000 9.0 Y Y
Panasonic GX85« »2765 n 3.0 1040 tilting Y 4000 8.0 Y Y
Panasonic GX7« »2760 n 3.0 1040 tilting Y 8000 5.0 Y Y
Sony A6500« »2300 n 3.0 922 tilting Y 4000 11.0 Y Y
Sony RX100 IV« »2359 n 3.0 1228 tilting n 2000 16.0 Y Y
Sony A6000« »1440 n 3.0 922 tilting n 4000 11.0 Y n

Both the GX8 and the A6300 have been discontinued, but can regularly be found used on eBay. The GX8 was replaced by the Panasonic GX9, while the A6300 was followed by the Sony A6500.

Review summary: Panasonic GX8 vs Sony A6300

So what is the bottom line? Is there a clear favorite between the Panasonic GX8 and the Sony A6300? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Panasonic Lumix DMC-GX8:

  • More detailed LCD: Has a higher resolution rear screen (1040k vs 922k dots).
  • More flexible LCD: Has swivel screen for odd-angle shots in portrait or landscape orientation.
  • Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 4000/sec) to freeze action.
  • Sharper images: Has hand-shake reducing image stabilization build-in.
  • More heavily discounted: Has been on the market for longer (launched in July 2015).

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Advantages of the Sony Alpha A6300:

  • More detail: Has more megapixels (24 vs 20.2MP), which boosts linear resolution by 11%.
  • Better image quality: Scores markedly higher (10 points) in the DXO overall evaluation.
  • More dynamic range: Captures a broader range of light and dark details (1.1 EV of extra DR).
  • Better low-light sensitivity: Can shoot in dim conditions (0.8 stops ISO advantage).
  • More compact: Is smaller (120x67mm vs 133x78mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 83g or 17 percent) and is thus easier to take along.
  • Longer lasting: Gets more shots (400 versus 330) out of a single battery charge.
  • Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
  • More affordable: Was released into a lower priced segment (17 percent cheaper at launch).
  • More modern: Was introduced somewhat (6 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the A6300 is the clear winner of the contest (10 : 6 points). However, the pertinence of the various camera strengths will differ across photographers, so that you might want to weigh individual camera traits according to their importance for your own imaging needs before making a camera decision.

GX8 06:10 A6300

In any case, 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 and the A6300 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 hands-on reviews by experts are important. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The full reviews are available by clicking on the site logo in the table header.

Review scores
  Camera cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Panasonic GX8»Rec82/1004.5/55/54.5/5 Jul 2015 1,199- i
Sony A6300«Rec85/1005/55/55/5 Feb 2016 999- i
Canon 80D« »HiRec84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i
Canon M5« »Rec82/1004/54.5/54/5 Sep 2016 979 i i
Nikon D5500« »Rec79/1004.5/55/54.5/5 Jan 2015 899- i
Olympus E-M1 II« »HiRec85/1004.5/55/54.5/5 Sep 2016 1,999 i i
Olympus PEN-F« »-82/1004.5/54.5/55/5 Jan 2016 1,199 i i
Olympus E-M5 II« »HiRec81/1005/54.5/55/5 Feb 2015 1,099 i i
Panasonic GX9« »Rec-4.5/5-4.5/5 Feb 2018 849 i i
Panasonic GH5« »HiRec85/1004.5/55/55/5 Jan 2017 1,999 i i
Panasonic G85« »HiRec84/1005/54.5/54.5/5 Sep 2016 899 i i
Panasonic GX85« »HiRec82/1005/54.5/55/5 Apr 2016 799 i i
Panasonic GX7« »Rec79/1005/54.5/55/5 Aug 2013 999- i
Sony A6500« »HiRec85/1004.5/55/54.5/5 Oct 2016 1,399 i i
Sony RX100 IV« »HiRec85/1004/54.5/54.5/5 Jun 2015 999- i
Sony A6000« »Rec80/1004.5/55/55/5 Feb 2014 599- i

The above review scores should be interpreted 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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

 

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 use the search menu below. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If you do not see the camera that you are looking for, please send me an email, and I will try to add information on that model to the database.

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