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Canon G9 X Mark II versus Panasonic GX800

The Canon PowerShot G9 X Mark II and the Panasonic Lumix DMC-GX800 (labelled Panasonic GX850 in some countries) are two digital cameras that were officially introduced in January 2017. The G9X Mark II is a fixed lens compact, while the GX800 is a mirrorless interchangeable lens camera. The cameras are based on an one-inch (G9X Mark II) and a Four Thirds (GX800) sensor. The Canon has a resolution of 20 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: Canon G9 X Mark II vs Panasonic GX800

An illustration of the physical size and weight of the Canon G9 X Mark II and the Panasonic GX800 is provided in the side-by-side display below. 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 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 G9X Mark II – represents 100 percent across all the size and weight measures).

Compare Canon G9 X Mark II vs Panasonic GX800
Compare G9X Mark II versus GX800 top
Compare G9X Mark II and GX800 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GX800 is notably larger (22 percent) than the Canon G9 X Mark II. In this context, it is worth noting that neither the G9X Mark II nor the GX800 are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G9X Mark II has a lens build in, whereas the GX800 is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can find an overview of optics for the GX800 and their specifications in the Micro Four Thirds Lens Catalog.

Concerning battery life, the G9X Mark II gets 235 shots out of its NB-13L battery, while the GX800 can take 210 images on a single charge of its DMW-BLH7 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras 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
Canon G9 X Mark II» 3.9 in 2.3 in 1.2 in 7.3 oz 235 n Jan 2017 529 i i Canon G9 X Mark II
Panasonic GX800« 4.2 in 2.6 in 1.3 in 9.5 oz 210 n Jan 2017 549 i i Panasonic GX800
Canon SX70« » 5.0 in 3.6 in 4.6 in 21.4 oz 325 n Sep 2018 549 i i Canon SX70
Canon 77D« » 5.2 in 3.9 in 3.0 in 19.0 oz 600 n Feb 2017 899 i i Canon 77D
Canon M100« » 4.3 in 2.6 in 1.4 in 10.7 oz 295 n Aug 2017 499 i i Canon M100
Canon SL2« » 4.8 in 3.7 in 2.8 in 16.0 oz 650 n Jun 2017 549 i i Canon SL2
Canon G9 X« » 3.9 in 2.3 in 1.2 in 7.4 oz 220 n Oct 2015 529- i Canon G9 X
Canon M10« » 4.3 in 2.6 in 1.4 in 10.6 oz 255 n Oct 2015 499- i Canon M10
Canon G7 X« » 4.1 in 2.4 in 1.6 in 10.7 oz 210 n Sep 2014 699- i Canon G7 X
Panasonic GF7« » 4.2 in 2.6 in 1.3 in 9.4 oz 230 n Jan 2015 499- i Panasonic GF7
Panasonic G6« » 4.8 in 3.3 in 2.8 in 13.8 oz 340 n Apr 2013 599- i Panasonic G6
Panasonic GF6« » 4.4 in 2.6 in 1.5 in 11.4 oz 340 n Apr 2013 499- i Panasonic GF6
Panasonic GF5« » 4.3 in 2.6 in 1.5 in 9.4 oz 360 n Apr 2012 499- i Panasonic GF5
Sony HX99« » 4.0 in 2.3 in 1.4 in 8.5 oz 370 n Aug 2018 449 i i Sony HX99
Sony HX95« » 4.0 in 2.3 in 1.4 in 8.5 oz 370 n Aug 2018 429 i i Sony HX95
Sony RX100 V« » 4.0 in 2.3 in 1.6 in 10.5 oz 220 n Oct 2016 999 i i Sony RX100 V
Sony RX100« » 4.0 in 2.3 in 1.4 in 8.5 oz 330 n Jun 2012 649- i Sony RX100

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 G9X Mark II was launched at a lower price than the GX800, despite having a lens build in. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. 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: Canon G9 X Mark II vs Panasonic GX800

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. 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon G9 X Mark II features an one-inch sensor and the Panasonic GX800 a Four Thirds sensor. The sensor area in the GX800 is 94 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 2.0. The sensor in the G9X Mark II has a native 3:2 aspect ratio, while the one in the GX800 offers a 4:3 aspect.

Canon G9 X Mark II and Panasonic GX800 sensor measures

Despite having a smaller sensor, the Canon G9 X Mark II offers a higher resolution of 20 megapixel, compared with 15.8 MP of the Panasonic GX800. 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 2.41μm versus 3.77μm for the GX800). It is noteworthy in this context that the two cameras were released in close succession, so that their sensors are from the same technological generation. Coming back to sensor resolution, it should be mentioned that the GX800 has no anti-alias filter installed, so that it can capture all the detail its sensor resolves.

G9X Mark II versus GX800 MP

For many 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 GX800 has a markedly higher DXO score than the G9X Mark II (overall score 8 points higher), which will translate into better image quality. The advantage is based on 1.3 bits higher color depth, 0.8 EV in additional dynamic range, and 0.2 stops in additional low light sensitivity. 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
Canon G9 X Mark II» 1-inch 20.0 5472 36481080/60p21.912.552265Canon G9 X Mark II
Panasonic GX800« Four Thirds 15.8 4592 34484K/30p23.213.358673Panasonic GX800
Canon SX70« » 1/2.3 20.2 5184 38884K/30p----Canon SX70
Canon 77D« » APS-C 24.0 6000 40001080/60p23.613.397178Canon 77D
Canon M100« » APS-C 24.0 6000 40001080/60p23.512.9127278Canon M100
Canon SL2« » APS-C 24.0 6000 40001080/60p23.613.4104179Canon SL2
Canon G9 X« » 1-inch 20.0 5472 36481080/60p21.512.349563Canon G9 X
Canon M10« » APS-C 17.9 5184 34561080/30p22.211.475365Canon M10
Canon G7 X« » 1-inch 20.0 5472 36481080/60p23.012.755671Canon G7 X
Panasonic GF7« » Four Thirds 15.8 4592 34481080/60p----Panasonic GF7
Panasonic G6« » Four Thirds 15.9 4608 34561080/60p21.311.563961Panasonic G6
Panasonic GF6« » Four Thirds 15.8 4592 34481080/60i20.710.662254Panasonic GF6
Panasonic GF5« » Four Thirds 12.0 4000 30001080/60i21.411.661861Panasonic GF5
Sony HX99« » 1/2.3 18.0 4896 36724K/30p----Sony HX99
Sony HX95« » 1/2.3 18.0 4896 36724K/30p----Sony HX95
Sony RX100 V« » 1-inch 20.0 5472 36484K/30p22.812.458670Sony RX100 V
Sony RX100« » 1-inch 20.0 5472 36481080/60p22.612.439066Sony RX100

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 GX800 provides a better video resolution than the G9X Mark II. It can shoot movie footage at 4K/30p, while the Canon is limited to 1080/60p.

 

Feature comparison: Canon G9 X Mark II vs Panasonic GX800

Beyond body and sensor, cameras can and do differ across a range of features. The G9X Mark II and the GX800 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 adjacent table lists some of the other core features of the Canon G9 X Mark II and Panasonic GX800 along with similar information for a selection of comparators. 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
Canon G9 X Mark II»- n 3.0 1040 fixed Y 2000 8.2 Y Y Canon G9 X Mark II
Panasonic GX800«- n 3.0 1040 tilting Y 500 10.0 Y n Panasonic GX800
Canon SX70« »2360 n 3.0 922 swivel n 2000 10.0 Y Y Canon SX70
Canon 77D« »optical Y 3.0 1040 swivel Y 4000 6.0 Y n Canon 77D
Canon M100« »- n 3.0 1040 tilting Y 4000 6.1 Y n Canon M100
Canon SL2« »optical n 3.0 1040 swivel Y 4000 5.0 Y n Canon SL2
Canon G9 X« »- n 3.0 1040 fixed Y 2000 6.0 Y Y Canon G9 X
Canon M10« »- n 3.0 1040 tilting Y 4000 4.6 Y n Canon M10
Canon G7 X« »- n 3.0 1040 tilting Y 2000 6.5 Y Y Canon G7 X
Panasonic GF7« »- n 3.0 1040 tilting Y 500 5.8 Y n Panasonic GF7
Panasonic G6« »1440 n 3.0 1036 swivel Y 4000 7.0 Y n Panasonic G6
Panasonic GF6« »- n 3.0 1040 tilting Y 4000 4.2 Y n Panasonic GF6
Panasonic GF5« »- n 3.0 920 fixed Y 4000 4.0 Y n Panasonic GF5
Sony HX99« »638 n 3.0 922 tilting Y 2000 10.0 Y Y Sony HX99
Sony HX95« »638 n 3.0 922 tilting n 2000 10.0 Y Y Sony HX95
Sony RX100 V« »2359 n 3.0 1229 tilting n 2000 24.0 Y Y Sony RX100 V
Sony RX100« »- n 3.0 1229 fixed n 2000 10.0 Y Y Sony RX100

The reported shutter speed and shutter burst refer to the use of the mechanical shutter. In addition, the GX800 features an electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (rolling shutter) or shooting under artificial light sources (flickering).

Both the G9X Mark II and the GX800 write their imaging data to SDXC cards.

Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Type
WiFi
Support
NFC
Support
Bluetooth
Support
Camera
Model
Canon G9 X Mark II»-stereomono--micro2.0YYYCanon G9 X Mark II
Panasonic GX800«-stereomono--micro2.0Y--Panasonic GX800
Canon SX70« »-stereomonoY-micro2.0Y-YCanon SX70
Canon 77D« »YstereomonoY-mini2.0YYYCanon 77D
Canon M100« »-stereomono--mini2.0YYYCanon M100
Canon SL2« »YstereomonoY-mini2.0YYYCanon SL2
Canon G9 X« »-stereomono--micro2.0YY-Canon G9 X
Canon M10« »-stereomono--mini2.0YY-Canon M10
Canon G7 X« »-stereomono--micro2.0YY-Canon G7 X
Panasonic GF7« »-stereomono--micro2.0YY-Panasonic GF7
Panasonic G6« »YstereomonoY-mini2.0YY-Panasonic G6
Panasonic GF6« »-stereomono--mini2.0YY-Panasonic GF6
Panasonic GF5« »-stereomono--mini2.0---Panasonic GF5
Sony HX99« »-stereomono--micro2.0YY-Sony HX99
Sony HX95« »-stereomono--micro2.0YY-Sony HX95
Sony RX100 V« »-stereomono--micro2.0YY-Sony RX100 V
Sony RX100« »-stereomono--micro2.0---Sony RX100

Both the G9X Mark II and the GX800 are current models that good online retailers will have in stock. You can check the latest prices, for example, at amazon. The G9X Mark II replaced the earlier Canon G9 X, while the GX800 followed on from the Panasonic GF7.

Review summary: Canon G9 X Mark II vs Panasonic GX800

So what conclusions can be drawn? Is the Canon G9 X Mark II better than the Panasonic GX800 or vice versa? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Canon PowerShot G9 X Mark II:

  • More detail: Offers more megapixels (20 vs 15.8MP) with a 15% higher linear resolution.
  • Better moiré control: Has an anti-alias filter to avoid artificial patterns to appear in images.
  • Faster shutter: Has higher mechanical shutter speed (2000/sec vs 500/sec) to freeze action.
  • Ready to shoot: Has a lens build-in, whereas the GX800 requires a separate lens.
  • More compact: Is smaller (98x58mm vs 107x65mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a build-in lens (unlike the GX800).
  • Longer lasting: Can take more shots (235 versus 210) on a single battery charge.
  • Sharper images: Has hand-shake reducing image stabilization build-in.
  • Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
  • Easier wireless transfer: Supports Bluetooth for image sharing without cables.
  • More affordable: Was introduced at a lower price, despite coming with a build-in lens.

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Advantages of the Panasonic Lumix DMC-GX800:

  • Maximized detail: Lacks an anti-alias filter to exploit the sensor's full resolution potential.
  • Better image quality: Scores markedly higher (8 points) in the DXO overall evaluation.
  • Richer colors: Generates noticeably more natural colors (1.3 bits more color depth).
  • More dynamic range: Captures a broader range of light and dark details (0.8 EV of extra DR).
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster burst: Shoots at higher frequency (10 vs 8.2 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.

If the count of relative strengths (bullet points above) is taken as a measure, the G9X Mark II emerges as the winner of the contest (11 : 9 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.

G9X Mark II 11:09 GX800

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 G9X Mark II or the GX800. 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 expert reviews 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
Canon G9 X Mark II»-75/1004.5/54.5/54.5/5 Jan 2017 529 i i Canon G9 X Mark II
Panasonic GX800«Rec76/1004.5/54/54.5/5 Jan 2017 549 i i Panasonic GX800
Canon SX70« »----- Sep 2018 549 i i Canon SX70
Canon 77D« »-82/1004.5/54.5/54/5 Feb 2017 899 i i Canon 77D
Canon M100« »Rec-4/5-3.5/5 Aug 2017 499 i i Canon M100
Canon SL2« »HiRec78/1004.5/54.5/54.5/5 Jun 2017 549 i i Canon SL2
Canon G9 X« »HiRec-4.5/54/54.5/5 Oct 2015 529- i Canon G9 X
Canon M10« »---rev4/5 Oct 2015 499- i Canon M10
Canon G7 X« »HiRec77/1004.5/53.5/54.5/5 Sep 2014 699- i Canon G7 X
Panasonic GF7« »Rec-4.5/54.5/54.5/5 Jan 2015 499- i Panasonic GF7
Panasonic G6« »HiRec-5/5-4.5/5 Apr 2013 599- i Panasonic G6
Panasonic GF6« »HiRec-4.5/5-4.5/5 Apr 2013 499- i Panasonic GF6
Panasonic GF5« »--4.5/54/54.5/5 Apr 2012 499- i Panasonic GF5
Sony HX99« »----- Aug 2018 449 i i Sony HX99
Sony HX95« »----- Aug 2018 429 i i Sony HX95
Sony RX100 V« »HiRec83/1004/55/54.5/5 Oct 2016 999 i i Sony RX100 V
Sony RX100« »HiRec78/1004/55/55/5 Jun 2012 649- i Sony RX100

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. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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? In case you are interested in seeing how other cameras pair up, just make a corresponding selection in the search boxes 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, please contact me, and I will try to update the database with the necessary infos.

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