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Fujifilm X-T20 versus Panasonic GX85

The Fujifilm X-T20 and the Panasonic Lumix DMC-GX85 (labelled Panasonic GX80 in some countries) are two digital cameras that were announced, respectively, in January 2017 and April 2016. Both the X-T20 and the GX85 are mirrorless interchangeable lens cameras that are based on an APS-C (X-T20) and a Four Thirds (GX85) sensor. The Fujifilm has a resolution of 24 megapixel, whereas the Panasonic provides 15.8 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: Fujifilm X-T20 vs Panasonic GX85

The physical size and weight of the Fujifilm X-T20 and the Panasonic GX85 are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All width, height and depth measures are rounded to the nearest millimeter. You can also toggle the display 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 X-T20 – represents the basis or 100 percent across all the size and weight measures).

Compare Fujifilm X-T20 vs Panasonic GX85
Compare X-T20 versus GX85 top
Compare X-T20 and GX85 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GX85 is notably smaller (12 percent) than the Fujifilm X-T20. However, the GX85 is markedly heavier (11 percent) than the X-T20. In this context, it is worth noting that neither the X-T20 nor the GX85 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 find an overview of optics for the two cameras in the Fujinon X Lens Catalog (X-T20) and the Micro Four Thirds Lens Catalog (GX85). 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 X-T20 gets 350 shots out of its NP-W126S battery, while the GX85 can take 290 images on a single charge of its DMW-BLG10 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)
Camera
Model
Fujifilm X-T20» 4.6 in 3.3 in 1.6 in 13.5 oz 350 n Jan 2017 899 i i Fujifilm X-T20
Panasonic GX85« 4.8 in 2.8 in 1.7 in 15.0 oz 290 n Apr 2016 799 i i Panasonic GX85
Canon M6« » 4.4 in 2.7 in 1.8 in 13.8 oz 295 n Feb 2017 779 i i Canon M6
Canon M5« » 4.6 in 3.5 in 2.4 in 15.1 oz 295 n Sep 2016 979 i i Canon M5
Fujifilm X-T100« » 4.8 in 3.3 in 1.9 in 15.8 oz 430 n May 2018 599 i i Fujifilm X-T100
Fujifilm X-A5« » 4.6 in 2.7 in 1.6 in 12.7 oz 450 n Jan 2018 399 i i Fujifilm X-A5
Fujifilm X-E3« » 4.8 in 2.9 in 1.7 in 11.9 oz 350 n Sep 2017 899 i i Fujifilm X-E3
Fujifilm X70« » 4.4 in 2.5 in 1.7 in 12.0 oz 330 n Jan 2016 799- i Fujifilm X70
Fujifilm X-A3« » 4.6 in 2.6 in 1.6 in 12.0 oz 410 n Aug 2016 399 i i Fujifilm X-A3
Fujifilm X-E2S« » 5.1 in 3.0 in 1.5 in 12.3 oz 350 n Jan 2016 699- i Fujifilm X-E2S
Fujifilm X-T10« » 4.6 in 3.3 in 1.6 in 13.4 oz 350 n May 2015 799- i Fujifilm X-T10
Fujifilm X-E2« » 5.1 in 3.0 in 1.5 in 12.3 oz 350 n Oct 2013 999- i Fujifilm X-E2
Olympus E-M10 II« » 4.7 in 3.3 in 1.9 in 13.8 oz 320 n Aug 2015 799- i Olympus E-M10 II
Olympus E-M5 II« » 4.9 in 3.3 in 1.8 in 16.5 oz 310 Y Feb 2015 1,099 i i Olympus E-M5 II
Panasonic GX9« » 4.9 in 2.8 in 1.9 in 14.4 oz 260 n Feb 2018 849 i i Panasonic GX9
Panasonic G85« » 5.0 in 3.5 in 2.9 in 17.8 oz 330 Y Sep 2016 899 i i Panasonic G85
Panasonic ZS100« » 4.4 in 2.6 in 1.7 in 11.0 oz 300 n Jan 2016 699- i Panasonic ZS100

The camera’s price is obviously a critical decision-making factor. The manufacturer’s suggested retail prices give an idea on the placement of the camera in the maker’s lineup and the broader market. The GX85 was launched at a somewhat lower price (by 11 percent) than the X-T20, 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: Fujifilm X-T20 vs Panasonic GX85

The size of the sensor inside a digital camera is one of the key determinants 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. 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Fujifilm X-T20 features an APS-C sensor and the Panasonic GX85 a Four Thirds sensor. The sensor area in the GX85 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 X-T20 has a native 3:2 aspect ratio, while the one in the GX85 offers a 4:3 aspect.

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

Fujifilm X-T20 and Panasonic GX85 sensor measures

With 24MP, the X-T20 offers a higher resolution than the GX85 (15.8MP), but the X-T20 nevertheless has larger individual pixels (pixel pitch of 3.92μm versus 3.77μm for the GX85) due to its larger sensor. Moreover, the X-T20 is a somewhat more recent model (by 9 months) than the GX85, and its sensor might 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.

X-T20 versus GX85 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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.

Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Fujifilm X-T20» APS-C 24.0 6000 40004K/30p----Fujifilm X-T20
Panasonic GX85« Four Thirds 15.8 4592 34484K/30p22.912.666271Panasonic GX85
Canon M6« » APS-C 24.0 6000 40001080/60p----Canon M6
Canon M5« » APS-C 24.0 6000 40001080/60p23.412.4126277Canon M5
Fujifilm X-T100« » APS-C 24.0 6000 40004K/15p----Fujifilm X-T100
Fujifilm X-A5« » APS-C 24.0 6000 40004K/15p----Fujifilm X-A5
Fujifilm X-E3« » APS-C 24.0 6000 40004K/30p----Fujifilm X-E3
Fujifilm X70« » APS-C 16.0 4896 32641080/60p----Fujifilm X70
Fujifilm X-A3« » APS-C 24.0 6000 40001080/60p----Fujifilm X-A3
Fujifilm X-E2S« » APS-C 16.0 4896 32641080/60p----Fujifilm X-E2S
Fujifilm X-T10« » APS-C 16.0 4896 32641080/60p----Fujifilm X-T10
Fujifilm X-E2« » APS-C 16.0 4896 32641080/60p----Fujifilm X-E2
Olympus E-M10 II« » Four Thirds 15.9 4608 34561080/60p23.112.584273Olympus E-M10 II
Olympus E-M5 II« » Four Thirds 15.9 4608 34561080/60p23.012.584273Olympus E-M5 II
Panasonic GX9« » Four Thirds 20.2 5184 38884K/30p----Panasonic GX9
Panasonic G85« » Four Thirds 15.8 4592 34484K/30p22.812.565671Panasonic G85
Panasonic ZS100« » 1-inch 20.0 5472 36484K/30p22.812.555970Panasonic ZS100

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, and both provide the same movie specifications (4K/30p).

 

Feature comparison: Fujifilm X-T20 vs Panasonic GX85

Apart from body and sensor, cameras can and do differ across a variety of features. The two cameras under review are similar with respect to both having an electronic viewfinder. However, the one in the GX85 offers a higher resolution than the one in the X-T20 (2765k vs 2360k dots). The table below summarizes some of the other core capabilities of the Fujifilm X-T20 and Panasonic GX85 in connection with corresponding information for a sample of similar cameras. If you need more detail on the specs, you can find comprehensive listings, for example, in the dpreview camera hub.

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)
Shutter
speed
(1/sec)
Shutter
flaps
(1/sec))
Build-in
Flash
(yes/no)
Build-in
Image
Stab
Camera
Model
Fujifilm X-T20»2360 n 3.0 1040 tilting Y 4000 8.0 Y n Fujifilm X-T20
Panasonic GX85«2765 n 3.0 1040 tilting Y 4000 8.0 Y Y Panasonic GX85
Canon M6« »- n 3.0 1040 tilting Y 4000 9.0 Y n Canon M6
Canon M5« »2360 n 3.2 1620 tilting Y 4000 9.0 Y n Canon M5
Fujifilm X-T100« »2360 n 3.0 1040 full-flex Y 4000 6.0 Y n Fujifilm X-T100
Fujifilm X-A5« »- n 3.0 1040 tilting Y 4000 6.0 Y n Fujifilm X-A5
Fujifilm X-E3« »2360 n 3.0 1040 fixed Y 4000 8.0 n n Fujifilm X-E3
Fujifilm X70« »- n 3.0 1040 tilting Y 4000 8.0 Y n Fujifilm X70
Fujifilm X-A3« »- n 3.0 1040 tilting Y 4000 6.0 Y n Fujifilm X-A3
Fujifilm X-E2S« »2360 n 3.0 1040 fixed n 4000 7.0 Y n Fujifilm X-E2S
Fujifilm X-T10« »2360 n 3.0 920 tilting n 4000 8.0 Y n Fujifilm X-T10
Fujifilm X-E2« »2360 n 3.0 1040 fixed n 4000 7.0 Y n Fujifilm X-E2
Olympus E-M10 II« »2360 n 3.0 1040 tilting Y 4000 8.0 Y Y Olympus E-M10 II
Olympus E-M5 II« »2360 n 3.0 1037 swivel Y 8000 10.0 n Y Olympus E-M5 II
Panasonic GX9« »2760 n 3.0 1240 tilting Y 4000 9.0 Y Y Panasonic GX9
Panasonic G85« »2360 n 3.0 1040 swivel Y 4000 9.0 Y Y Panasonic G85
Panasonic ZS100« »1166 n 3.0 1040 fixed Y 2000 10.0 Y Y Panasonic ZS100

The reported shutter speed and shutter burst refer to the use of the mechanical shutter. In addition, the GX85 features an electronic shutter, which makes silent shooting and higher burst speeds possible. However, this mode is less suitable for photographing moving objects (rolling shutter) or shooting under artificial light sources (flickering).

Both the X-T20 and the GX85 are current models that good online retailers will have in stock. You can check the latest prices, for example, at amazon. The GX85 replaced the earlier Panasonic GX7, while the X-T20 followed on from the Fujifilm X-T10.

Review summary: Fujifilm X-T20 vs Panasonic GX85

So what conclusions can be drawn? Which of the two cameras – the Fujifilm X-T20 or the Panasonic GX85 – has the upper hand? A synthesis of the relative strong points of each of the models is listed below.

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Reasons to prefer the Fujifilm X-T20:

  • More detail: Offers more megapixels (24 vs 15.8MP) with a 26% higher linear resolution.
  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Less heavy: Is lighter (by 43g or 10 percent) and hence easier to carry around.
  • Longer lasting: Can take more shots (350 versus 290) on a single battery charge.
  • More modern: Is somewhat more recent (announced 9 months after the GX85).

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Advantages of the Panasonic Lumix DMC-GX85:

  • More detailed viewfinder: Has higher resolution electronic viewfinder (2765k vs 2360k dots).
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More compact: Is smaller (122x71mm vs 118x83mm) and will fit more readily into a bag.
  • Sharper images: Has stabilization technology build-in to reduce the impact of hand-shake.
  • More affordable: Was released into a lower priced segment (11 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in April 2016).

If the count of relative strengths (bullet points above) is taken as a measure, the GX85 comes out slightly ahead of the X-T20 (6 : 5 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.

X-T20 05:06 GX85

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the X-T20 or the GX85. 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 where reviews by experts come in. The adjacent table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, photographyblog). The detailed reviews can be accessed by clicking on the site logo in the table header.

Review Scores
  Camera
Model
cameralabs dpreview ephotozine imaging-resource photographyblog Camera
Launch
(announced)
Launch
Price
(USD)
Street
Price
(USD)
Used
Price
(USD)
Camera
Model
Fujifilm X-T20»HiRec82/1005/5-4.5/5 Jan 2017 899 i i Fujifilm X-T20
Panasonic GX85«HiRec82/1005/54.5/55/5 Apr 2016 799 i i Panasonic GX85
Canon M6« »-80/1004/54.5/54/5 Feb 2017 779 i i Canon M6
Canon M5« »Rec82/1004/54.5/54/5 Sep 2016 979 i i Canon M5
Fujifilm X-T100« »Rec79/1004/5-4.5/5 May 2018 599 i i Fujifilm X-T100
Fujifilm X-A5« »Rec-4/54/53.5/5 Jan 2018 399 i i Fujifilm X-A5
Fujifilm X-E3« »Rec84/1004.5/54.5/54.5/5 Sep 2017 899 i i Fujifilm X-E3
Fujifilm X70« »-76/1004.5/54/54.5/5 Jan 2016 799- i Fujifilm X70
Fujifilm X-A3« »-74/1004.5/5-4/5 Aug 2016 399 i i Fujifilm X-A3
Fujifilm X-E2S« »-77/1004.5/5-4.5/5 Jan 2016 699- i Fujifilm X-E2S
Fujifilm X-T10« »HiRec80/1005/54/55/5 May 2015 799- i Fujifilm X-T10
Fujifilm X-E2« »-80/1004.5/5-5/5 Oct 2013 999- i Fujifilm X-E2
Olympus E-M10 II« »HiRec80/1005/55/55/5 Aug 2015 799- i Olympus E-M10 II
Olympus E-M5 II« »HiRec81/1005/54.5/55/5 Feb 2015 1,099 i i Olympus E-M5 II
Panasonic GX9« »Rec-4.5/5-4.5/5 Feb 2018 849 i i Panasonic GX9
Panasonic G85« »HiRec84/1005/54.5/54.5/5 Sep 2016 899 i i Panasonic G85
Panasonic ZS100« »HiRec82/1004.5/54/54.5/5 Jan 2016 699- i Panasonic ZS100

The above review scores should be interpreted with care, though. The ratings are only valid when refering 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 rating-comparisons among cameras that span long time periods or concern very differently equipped models make little sense. Also, please note that some of the review sites have changed their methodology and reporting over time.

 

Other camera comparisons

Did this review help to inform your camera decision process? In case you are interested in seeing how other cameras pair up, just make your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting. If the camera you are interested in is not available, kindly get in touch, and I will try to add information on that model to the database.

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