Panasonic GX8 versus Fujifilm X-M1
The Panasonic Lumix DMC-GX8 and the Fujifilm X-M1 are two digital cameras that were revealed to the public, respectively, in July 2015 and June 2013. Both the GX8 and the X-M1 are mirrorless interchangeable lens cameras that are based on a Four Thirds (GX8) and an APS-C sensor. The Panasonic has a resolution of 20.2 megapixel, whereas the Fujifilm provides 16 MP.
An illustration of the physical size and weight of the Panasonic GX8 and the Fujifilm X-M1 is provided 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 measures are rounded to the nearest millimeter. If you prefer, you can also use the toggle button to switch to a comparison in percentage terms (in this case, the camera on the left – the GX8 – represents 100 percent across all the size and weight measures).
If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Fujifilm X-M1 is notably smaller (24 percent) than the Panasonic GX8. Moreover, the X-M1 is markedly lighter (32 percent) than the GX8. It is worth mentioning in this context that the GX8 is splash and dust resistant, while the X-M1 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 find an overview of optics for the two cameras in the Micro Four Thirds Lens Catalog (GX8) and the Fujinon X Lens Catalog (X-M1). 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.
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 comparisons there.
|Camera Body Specifications
|Panasonic GX8 (⇒ rgt)||133 mm||78 mm||63 mm||487 g||330||YES||2015||1,199||latest||check|
|Fujifilm X-M1 (⇒ lft)||117 mm||67 mm||39 mm||330 g||350||no||2013||699||latest||check|
|Fujifilm X70 (⇒ lft | rgt)||113 mm||64 mm||44 mm||340 g||330||no||2016||799||latest||check|
|Fujifilm X-E2S (⇒ lft | rgt)||129 mm||75 mm||37 mm||350 g||350||no||2016||699||discont.||check|
|Fujifilm X-T10 (⇒ lft | rgt)||118 mm||83 mm||41 mm||381 g||350||no||2015||799||discont.||check|
|Fujifilm X20 (⇒ lft | rgt)||117 mm||70 mm||57 mm||353 g||270||no||2013||599||discont.||check|
|Fujifilm X-E2 (⇒ lft | rgt)||129 mm||75 mm||37 mm||350 g||350||no||2013||999||discont.||check|
|Olympus E-M1 II (⇒ lft | rgt)||134 mm||91 mm||67 mm||574 g||440||YES||2016||1,999||latest||check|
|Olympus PEN-F (⇒ lft | rgt)||125 mm||72 mm||37 mm||427 g||330||no||2016||1,199||latest||check|
|Olympus E-M5 II (⇒ lft | rgt)||124 mm||85 mm||45 mm||469 g||310||YES||2015||1,099||latest||check|
|Panasonic GH5 (⇒ lft | rgt)||139 mm||98 mm||87 mm||725 g||410||YES||2017||1,999||latest||check|
|Panasonic G85 (⇒ lft | rgt)||128 mm||89 mm||74 mm||505 g||330||YES||2016||899||latest||check|
|Panasonic GX85 (⇒ lft | rgt)||122 mm||71 mm||44 mm||426 g||290||no||2016||799||latest||check|
|Panasonic GX7 (⇒ lft | rgt)||123 mm||71 mm||55 mm||402 g||350||no||2013||999||discont.||check|
|Pentax K-3 II (⇒ lft | rgt)||131 mm||100 mm||77 mm||800 g||720||YES||2015||1,099||latest||check|
|Sony A6300 (⇒ lft | rgt)||120 mm||67 mm||49 mm||404 g||400||YES||2016||999||discont.||check|
|Sony A6500 (⇒ lft | rgt)||120 mm||67 mm||53 mm||453 g||350||YES||2016||1,399||latest||check|
The listed prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The X-M1 was launched at a markedly lower price (by 42 percent) than the GX8, 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.
The size of the imaging sensor is a crucial determinant 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. 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 associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Panasonic GX8 features a Four Thirds sensor and the Fujifilm X-M1 an APS-C sensor. The sensor area in the X-M1 is 64 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 X-M1 offers a 3:2 aspect.
Despite having a smaller sensor, the Panasonic GX8 offers a higher resolution of 20.2 megapixel, compared with 16 MP of the Fujifilm X-M1. This megapixel advantage comes at the cost of a higher pixel density and a smaller size of the individual pixel (with a pixel pitch of 3.34μm versus 4.80μm for the X-M1). However, it should be noted that the GX8 is much more recent (by 2 years) than the X-M1, and its sensor will have benefitted from technological advances during this time that make it possible to gather light more efficiently. Coming back to sensor resolution, it should be mentioned that the X-M1 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.
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 table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.
|Panasonic GX8 (⇒ rgt)||Four Thirds||20.2||5184||3888||4K/30p||23.5||12.6||806||75|
|Fujifilm X-M1 (⇒ lft)||APS-C||16.0||4896||3264||1080/30p||-||-||-||-|
|Fujifilm X70 (⇒ lft | rgt)||APS-C||16.0||4896||3264||1080/60p||-||-||-||-|
|Fujifilm X-E2S (⇒ lft | rgt)||APS-C||16.0||4896||3264||1080/60p||-||-||-||-|
|Fujifilm X-T10 (⇒ lft | rgt)||APS-C||16.0||4896||3264||1080/60p||-||-||-||-|
|Fujifilm X20 (⇒ lft | rgt)||2/3||12.0||4000||3000||1080/60p||-||-||-||-|
|Fujifilm X-E2 (⇒ lft | rgt)||APS-C||16.0||4896||3264||1080/60p||-||-||-||-|
|Olympus E-M1 II (⇒ lft | rgt)||Four Thirds||20.2||5184||3888||4K/30p||23.7||12.8||1312||80|
|Olympus PEN-F (⇒ lft | rgt)||Four Thirds||20.2||5184||3888||1080/60p||23.1||12.4||894||74|
|Olympus E-M5 II (⇒ lft | rgt)||Four Thirds||15.9||4608||3456||1080/60p||23.0||12.5||842||73|
|Panasonic GH5 (⇒ lft | rgt)||Four Thirds||20.2||5184||3888||4K/60p||23.9||13.0||807||77|
|Panasonic G85 (⇒ lft | rgt)||Four Thirds||15.8||4592||3448||4K/30p||22.8||12.5||656||71|
|Panasonic GX85 (⇒ lft | rgt)||Four Thirds||15.8||4592||3448||4K/30p||22.9||12.6||662||71|
|Panasonic GX7 (⇒ lft | rgt)||Four Thirds||15.8||4592||3448||1080/60p||22.6||12.2||718||70|
|Pentax K-3 II (⇒ lft | rgt)||APS-C||24.1||6016||4000||1080/60i||23.6||13.6||1106||80|
|Sony A6300 (⇒ lft | rgt)||APS-C||24.0||6000||4000||4K/30p||24.4||13.7||1437||85|
|Sony A6500 (⇒ lft | rgt)||APS-C||24.0||6000||4000||4K/30p||24.5||13.7||1405||85|
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, but the GX8 provides a higher video resolution than the X-M1. It can shoot video footage at 4K/30p, while the Fujifilm is limited to 1080/30p.
Beyond body and sensor, cameras can and do differ across a range of features. For example, the GX8 has an electronic viewfinder (2360k dots), which can be very helpful when shooting in bright sunlight. In contrast, the X-M1 relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Panasonic GX8, the Fujifilm X-M1, and comparable cameras. The full specs-sheets can be found in the camera manual or, for example, in the dpreview camera hub.
|Panasonic GX8 (⇒ rgt)||2360||no||3.0||1040||swivel||YES||8000||10.0||no||YES|
|Fujifilm X-M1 (⇒ lft)||no||no||3.0||920||tilting||no||4000||5.6||7||no|
|Fujifilm X70 (⇒ lft | rgt)||no||no||3.0||1040||tilting||YES||4000||8.0||7.9||..|
|Fujifilm X-E2S (⇒ lft | rgt)||2360||no||3.0||1040||fixed||no||4000||7.0||7||no|
|Fujifilm X-T10 (⇒ lft | rgt)||2360||no||3.0||920||tilting||no||4000||8.0||5||no|
|Fujifilm X20 (⇒ lft | rgt)||optical||no||2.8||460||fixed||no||4000||12.0||7||YES|
|Fujifilm X-E2 (⇒ lft | rgt)||2360||no||3.0||1040||fixed||no||4000||7.0||7||no|
|Olympus E-M1 II (⇒ lft | rgt)||2360||no||3.0||1037||swivel||YES||8000||18.0||no||YES|
|Olympus PEN-F (⇒ lft | rgt)||2360||no||3.0||1037||swivel||YES||8000||10.0||no||YES|
|Olympus E-M5 II (⇒ lft | rgt)||2360||no||3.0||1037||swivel||YES||8000||10.0||no||YES|
|Panasonic GH5 (⇒ lft | rgt)||3680||no||3.2||1620||swivel||YES||8000||12.0||no||YES|
|Panasonic G85 (⇒ lft | rgt)||2360||no||3.0||1040||swivel||YES||4000||9.0||6.2||YES|
|Panasonic GX85 (⇒ lft | rgt)||2765||no||3.0||1040||tilting||YES||4000||8.0||6||YES|
|Panasonic GX7 (⇒ lft | rgt)||2760||no||3.0||1040||tilting||YES||8000||5.0||7||YES|
|Pentax K-3 II (⇒ lft | rgt)||optical||YES||3.2||1037||fixed||no||8000||8.3||no||YES|
|Sony A6300 (⇒ lft | rgt)||2300||no||3.0||922||tilting||no||4000||11.0||6||no|
|Sony A6500 (⇒ lft | rgt)||2300||no||3.0||922||tilting||YES||4000||11.0||6||YES|
Both the GX8 and the X-M1 are current models that good online retailers will have in stock. You can check the latest prices, for example, at amazon. The GX8 replaced the earlier Panasonic GX7, while the X-M1 does not have a direct predecessor.
So what is the bottom line? Is the Panasonic GX8 better than the Fujifilm X-M1 or vice versa? The listing below highlights the relative strengths of the two models.
Reasons to prefer the Panasonic Lumix DMC-GX8:
- More detail: Offers more megapixels (20.2 vs 16MP) with a 10% higher linear resolution.
- Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
- Better video: Provides higher definition movie capture (4K/30p vs 1080/30p).
- Easier framing: Has an electronic viewfinder for image framing and settings control.
- More detailed LCD: Has a higher resolution rear screen (1040k vs 920k 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.
- Faster burst: Shoots at higher frequency (10 vs 5.6 flaps/sec) to capture the decisive moment.
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- Sharper images: Has hand-shake reducing image stabilization build-in.
- More modern: Reflects 2 years of technical progress since the X-M1 launch.
Arguments in favor of the Fujifilm X-M1:
- Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
- Better low-light imaging: Features bigger pixels on a larger sensor for better high-ISO images.
- More compact: Is smaller (117x67mm vs 133x78mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight (by 157g or 32 percent) and is thus easier to take along.
- Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
- More affordable: Was introduced into a lower priced category (42 percent cheaper at launch).
- More heavily discounted: Has been around for much longer (launched in June 2013).
If the count of relative strengths (bullet points above) is taken as a measure, the GX8 is the clear winner of the match-up (12 : 7 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points.
In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it says nothing about, for example, the handling, responsiveness, and overall imaging quality of the GX8 and the X-M1 in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased. This is why expert reviews are important. The table below summarizes the assessments of some of the best known camera review sites. The detailed reviews can be accessed, respectively, on the websites of cameralabs.com, dpreview.com, ephotozine.com, imaging-resource.com, and photographyblog.com.
|Panasonic GX8 (⇒ rgt)||Rec||82/100 Silver||4.5/5||5/5||4.5/5||2015||1,199||latest||check|
|Fujifilm X-M1 (⇒ lft)||Rec||77/100 Gold||4.5/5||-||4.5/5||2013||699||latest||check|
|Fujifilm X70 (⇒ lft | rgt)||-||76/100||4.5/5||4/5||4.5/5||2016||799||latest||check|
|Fujifilm X-E2S (⇒ lft | rgt)||-||77/100||4.5/5||-||4.5/5||2016||699||discont.||check|
|Fujifilm X-T10 (⇒ lft | rgt)||HiRec||80/100 Silver||5/5||4/5||5/5||2015||799||discont.||check|
|Fujifilm X20 (⇒ lft | rgt)||HiRec||77/100 Silver||4.5/5||-||5/5||2013||599||discont.||check|
|Fujifilm X-E2 (⇒ lft | rgt)||-||80/100 Gold||4.5/5||-||5/5||2013||999||discont.||check|
|Olympus E-M1 II (⇒ lft | rgt)||HiRec||85/100 Gold||4.5/5||5/5||4.5/5||2016||1,999||latest||check|
|Olympus PEN-F (⇒ lft | rgt)||-||82/100 Silver||4.5/5||4.5/5||5/5||2016||1,199||latest||check|
|Olympus E-M5 II (⇒ lft | rgt)||HiRec||81/100 Silver||5/5||4.5/5||5/5||2015||1,099||latest||check|
|Panasonic GH5 (⇒ lft | rgt)||HiRec||85/100 Gold||4.5/5||5/5||5/5||2017||1,999||latest||check|
|Panasonic G85 (⇒ lft | rgt)||HiRec||84/100 Gold||5/5||4.5/5||4.5/5||2016||899||latest||check|
|Panasonic GX85 (⇒ lft | rgt)||HiRec||82/100 Silver||5/5||4.5/5||5/5||2016||799||latest||check|
|Panasonic GX7 (⇒ lft | rgt)||Rec||79/100 Silver||5/5||4.5/5||5/5||2013||999||discont.||check|
|Pentax K-3 II (⇒ lft | rgt)||-||-||5/5||4.5/5||5/5||2015||1,099||latest||check|
|Sony A6300 (⇒ lft | rgt)||Rec||85/100 Gold||5/5||5/5||5/5||2016||999||discont.||check|
|Sony A6500 (⇒ lft | rgt)||HiRec||85/100 Silver||4.5/5||5/5||4.5/5||2016||1,399||latest||check|
Care should be taken when interpreting the review scores above, though. The ratings are only valid when refering to cameras in the same category and of the same age. A score, therefore, has to be seen in close connection to the price and market introduction time of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.
If you would like to see a different side-by-side camera review, just use the search menu below. There is also a set of direct links to comparison reviews that other users of the CAM-parator app explored. If you do not see the camera that you are looking for, kindly get in touch, and I will try to add information on that model to the database.
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