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Panasonic GX850 versus Canon M100

The Panasonic Lumix DMC-GX850 (called Panasonic GX800 in some regions) and the Canon EOS M100 are two digital cameras that were officially introduced, respectively, in January 2017 and August 2017. Both the GX850 and the M100 are mirrorless interchangeable lens cameras that are based on a Four Thirds (GX850) and an APS-C (M100) sensor. The Panasonic has a resolution of 15.8 megapixel, whereas the Canon 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 GX850 vs Canon M100

The side-by-side display below illustrates the physical size and weight of the Panasonic GX850 and the Canon M100. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All size dimensions 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 GX850 – represents the basis or 100 percent across all the size and weight measures).

Compare Panasonic GX850 vs Canon M100
Compare GX850 versus M100 top
Compare GX850 and M100 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon M100 is somewhat larger (4 percent) than the Panasonic GX850. Moreover, the M100 is markedly heavier (12 percent) than the GX850. In this context, it is worth noting that neither the GX850 nor the M100 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. Hence, you might want to study the specifications of available lenses in order to get the full picture of the size and weight of the two camera systems.

Concerning battery life, the GX850 gets 210 shots out of its DMW-BLH7 battery, while the M100 can take 295 images on a single charge of its LP-E12 power pack.

The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. In case you want to display and compare another camera duo, just click on the right or left arrow next to the camera that you would like to inspect. Alternatively, you can also use the CAM-parator to select your camera combination among a larger number of options.

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
Panasonic GX850» 4.2 in 2.6 in 1.3 in 9.5 oz 210 n Jan 2017 549 i i Panasonic GX850
Canon M100« 4.3 in 2.6 in 1.4 in 10.7 oz 295 n Aug 2017 499 i i Canon M100
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
Canon M10« » 4.3 in 2.6 in 1.4 in 10.6 oz 255 n Oct 2015 499- i Canon M10
Canon M3« » 4.4 in 2.7 in 1.7 in 12.9 oz 250 n Feb 2015 679- i Canon M3
Canon M« » 4.3 in 2.6 in 1.3 in 10.5 oz 230 n Jul 2012 599- i Canon M
Panasonic G7« » 4.9 in 3.4 in 3.0 in 14.5 oz 350 n May 2015 649- i Panasonic G7
Panasonic GF7« » 4.2 in 2.6 in 1.3 in 9.4 oz 230 n Jan 2015 499- i Panasonic GF7
Panasonic GF6« » 4.4 in 2.6 in 1.5 in 11.4 oz 340 n Apr 2013 499- i Panasonic GF6
Panasonic G6« » 4.8 in 3.3 in 2.8 in 13.8 oz 340 n Apr 2013 599- i Panasonic G6
Panasonic GF5« » 4.3 in 2.6 in 1.5 in 9.4 oz 360 n Apr 2012 499- i Panasonic GF5
Panasonic G5« » 4.7 in 3.3 in 2.8 in 14.0 oz 320 n Jul 2012 599- i Panasonic G5
Panasonic GF3« » 4.3 in 2.6 in 1.3 in 9.3 oz 300 n Jun 2011 549- i Panasonic GF3
Panasonic G3« » 4.5 in 3.3 in 1.9 in 11.9 oz 270 n May 2011 599- i Panasonic G3
Panasonic GX1« » 4.6 in 2.7 in 1.5 in 11.2 oz 320 n Nov 2011 949- i Panasonic GX1
Panasonic GF2« » 4.4 in 2.7 in 1.3 in 10.9 oz 300 n Nov 2010 549- i Panasonic GF2

The price is, of course, an important factor in any camera decision. 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 M100 was somewhat cheaper (by 9 percent) than the GX850 at launch, but both cameras fall into the same price category. 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.

 

Sensor comparison: Panasonic GX850 vs Canon M100

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. 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 Panasonic GX850 features a Four Thirds sensor and the Canon M100 an APS-C sensor. The sensor area in the M100 is 48 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.0 and 1.6. The sensor in the GX850 has a native 4:3 aspect ratio, while the one in the M100 offers a 3:2 aspect.

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

Panasonic GX850 and Canon M100 sensor measures

With 24MP, the M100 offers a higher resolution than the GX850 (15.8MP), but the M100 has marginally smaller individual pixels (pixel pitch of 3.72μm versus 3.77μm for the GX850). Yet, the M100 is a somewhat more recent model (by 7 months) than the GX850, and its sensor might have benefitted from technological advances during this time that enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that the GX850 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

GX850 versus M100 MP

For many cameras, data on sensor performance has been reported by DXO Mark. 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. Of the two cameras under consideration, the M100 has a markedly higher DXO score than the GX850 (overall score 5 points higher), which will translate into better image quality. The advantage is based on 0.3 bits higher color depth, 0.4 EV of lower dynamic range, and 1.1 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
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
Camera
Model
Panasonic GX850» Four Thirds 15.8 4592 34484K/30p23.213.358673Panasonic GX850
Canon M100« APS-C 24.0 6000 40001080/60p23.512.9127278Canon M100
Canon M6« » APS-C 24.0 6000 40001080/60p----Canon M6
Canon M5« » APS-C 24.0 6000 40001080/60p23.412.4126277Canon M5
Canon M10« » APS-C 17.9 5184 34561080/30p22.211.475365Canon M10
Canon M3« » APS-C 24.0 6000 40001080/30p22.811.8116972Canon M3
Canon M« » APS-C 17.9 5184 34561080/30p22.111.282765Canon M
Panasonic G7« » Four Thirds 15.8 4592 34484K/30p----Panasonic G7
Panasonic GF7« » Four Thirds 15.8 4592 34481080/60p----Panasonic GF7
Panasonic GF6« » Four Thirds 15.8 4592 34481080/60i20.710.662254Panasonic GF6
Panasonic G6« » Four Thirds 15.9 4608 34561080/60p21.311.563961Panasonic G6
Panasonic GF5« » Four Thirds 12.0 4000 30001080/60i21.411.661861Panasonic GF5
Panasonic G5« » Four Thirds 15.9 4608 34561080/60p----Panasonic G5
Panasonic GF3« » Four Thirds 12.0 4000 30001080/60i20.610.045849Panasonic GF3
Panasonic G3« » Four Thirds 15.8 4592 34481080/60i21.010.666756Panasonic G3
Panasonic GX1« » Four Thirds 15.8 4592 34481080/60p20.810.670355Panasonic GX1
Panasonic GF2« » Four Thirds 12.0 4000 30001080/60i21.210.350654Panasonic GF2

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 GX850 provides a higher video resolution than the M100. It can shoot video footage at 4K/30p, while the Canon is limited to 1080/60p.

 

Feature comparison: Panasonic GX850 vs Canon M100

Apart from body and sensor, cameras can and do differ across a range of features. The GX850 and the M100 are similar in the sense that neither of the two has a viewfinder. The images are, thus, framed using live view on the rear LCD. The table below summarizes some of the other core capabilities of the Panasonic GX850 and Canon M100 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
Panasonic GX850»- n 3.0 1040 tilting Y 500 10.0 Y n Panasonic GX850
Canon M100«- n 3.0 1040 tilting Y 4000 6.1 Y n Canon M100
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
Canon M10« »- n 3.0 1040 tilting Y 4000 4.6 Y n Canon M10
Canon M3« »- n 3.0 1040 tilting Y 4000 4.2 Y n Canon M3
Canon M« »- n 3.0 1040 fixed Y 4000 4.3 n n Canon M
Panasonic G7« »2360 n 3.0 1040 swivel Y 4000 7.0 Y n Panasonic G7
Panasonic GF7« »- n 3.0 1040 tilting Y 500 5.8 Y n Panasonic GF7
Panasonic GF6« »- n 3.0 1040 tilting Y 4000 4.2 Y n Panasonic GF6
Panasonic G6« »1440 n 3.0 1036 swivel Y 4000 7.0 Y n Panasonic G6
Panasonic GF5« »- n 3.0 920 fixed Y 4000 4.0 Y n Panasonic GF5
Panasonic G5« »1440 n 3.0 920 swivel Y 4000 6.0 Y n Panasonic G5
Panasonic GF3« »- n 3.0 460 fixed Y 4000 3.2 Y n Panasonic GF3
Panasonic G3« »1440 n 3.0 460 swivel Y 4000 4.0 Y n Panasonic G3
Panasonic GX1« »- n 3.0 460 fixed Y 4000 4.2 Y n Panasonic GX1
Panasonic GF2« »- n 3.0 460 fixed Y 4000 2.6 Y n Panasonic GF2

The reported shutter speed and shutter burst refer to the use of the mechanical shutter. In addition, the GX850 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 GX850 and the M100 are current models that good online retailers will have in stock. You can check the latest prices, for example, at amazon. The GX850 replaced the earlier Panasonic GF7, while the M100 followed on from the Canon M10.

Review summary: Panasonic GX850 vs Canon M100

So what conclusions can be drawn? Is the Panasonic GX850 better than the Canon M100 or vice versa? The listing below highlights the relative strengths of the two models.

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Advantages of the Panasonic Lumix DMC-GX850:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • Faster burst: Shoots at higher frequency (10 vs 6.1 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Less heavy: Is lighter (by 33g or 11 percent) and hence easier to carry around.
  • More heavily discounted: Has been on the market for longer (launched in January 2017).

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Reasons to prefer the Canon EOS M100:

  • More detail: Has more megapixels (24 vs 15.8MP), which boosts linear resolution by 26%.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Better image quality: Scores markedly higher (5 points) in the DXO overall evaluation.
  • Better low-light sensitivity: Can shoot in dim conditions (1.1 stops ISO advantage).
  • Faster shutter: Has higher mechanical shutter speed (4000/sec vs 500/sec) to freeze action.
  • Longer lasting: Gets more shots (295 versus 210) out of a single battery charge.
  • More modern: Was introduced somewhat (7 months) more recently.

If the number of relative strengths (bullet points above) is taken as a guide, the M100 comes out slightly ahead of the GX850 (7 : 6 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera.

GX850 06:07 M100

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it remains incomplete and does no justice, for example, to the way the GX850 or the M100 handle or perform in practice. 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 hands-on reviews by experts are important. 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). The full reviews are available 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
Panasonic GX850»Rec76/1004.5/54/54.5/5 Jan 2017 549 i i Panasonic GX850
Canon M100«Rec-4/5-3.5/5 Aug 2017 499 i i Canon M100
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
Canon M10« »---rev4/5 Oct 2015 499- i Canon M10
Canon M3« »rev75/1004.5/54.5/54/5 Feb 2015 679- i Canon M3
Canon M« »Rec-4/53.5/54/5 Jul 2012 599- i Canon M
Panasonic G7« »HiRec80/1005/54.5/54.5/5 May 2015 649- i Panasonic G7
Panasonic GF7« »Rec-4.5/54.5/54.5/5 Jan 2015 499- i Panasonic GF7
Panasonic GF6« »HiRec-4.5/5-4.5/5 Apr 2013 499- i Panasonic GF6
Panasonic G6« »HiRec-5/5-4.5/5 Apr 2013 599- i Panasonic G6
Panasonic GF5« »--4.5/54/54.5/5 Apr 2012 499- i Panasonic GF5
Panasonic G5« »HiRec-4.5/54.5/54.5/5 Jul 2012 599- i Panasonic G5
Panasonic GF3« »82/10071/1004.5/54.5/54/5 Jun 2011 549- i Panasonic GF3
Panasonic G3« »HiRec75/1004.5/54.5/55/5 May 2011 599- i Panasonic G3
Panasonic GX1« »Rec77/1004.5/54.5/54.5/5 Nov 2011 949- i Panasonic GX1
Panasonic GF2« »82/10070/1004.5/54.5/54.5/5 Nov 2010 549- i Panasonic GF2

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. 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.

 

Other camera comparisons

Did this review help to inform your camera decision process? 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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