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Canon 1D X Mark II versus Panasonic GM5

The Canon EOS-1D X Mark II and the Panasonic Lumix DMC-GM5 are two digital cameras that were announced, respectively, in February 2016 and September 2014. The 1DX Mark II is a DSLR, while the GM5 is a mirrorless interchangeable lens camera. The cameras are based on a full frame (1DX Mark II) and a Four Thirds (GM5) 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 1D X Mark II vs Panasonic GM5

The physical size and weight of the Canon 1D X Mark II and the Panasonic GM5 are illustrated in the side-by-side display below. Three successive views from the front, the top, and the rear 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 side – the 1DX Mark II – represents the basis for the calculations across all the size and weight measures).

Snapsort Canon 1D X Mark II vs Panasonic GM5
Compare 1DX Mark II versus GM5 top
Compare 1DX Mark II and GM5 rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Panasonic GM5 is considerably smaller (78 percent) than the Canon 1D X Mark II. Moreover, the GM5 is substantially lighter (86 percent) than the 1DX Mark II. It is worth mentioning in this context that the 1DX Mark II is splash and dust resistant, while the GM5 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 Canon EF Lens Catalog (1DX Mark II) and the Micro Four Thirds Lens Catalog (GM5). Mirrorless cameras, such as the GM5, have moreover the advantage that they can use many lenses from other systems via adapters, as they have a relatively short flange to focal plane distance.

Concerning battery life, the 1DX Mark II gets 1210 shots out of its LP-E19 battery, while the GM5 can take 220 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 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)
Canon 1D X Mark II» 6.2 in 6.6 in 3.3 in 54.0 oz 1210 Y Feb 2016 5,999 i i
Panasonic GM5« 3.9 in 2.4 in 1.4 in 7.4 oz 220 n Sep 2014 749- i
Canon 6D Mark II« » 5.7 in 4.4 in 3.0 in 27.0 oz 1200 Y Jun 2017 1,999 i i
Canon 5D Mark IV« » 5.9 in 4.6 in 3.0 in 31.4 oz 900 Y Aug 2016 3,499 i i
Canon 80D« » 5.5 in 4.1 in 3.1 in 25.8 oz 960 Y Feb 2016 1,199 i i
Canon 5DS R« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i
Canon 5DS« » 6.0 in 4.6 in 3.0 in 32.8 oz 700 Y Feb 2015 3,699 i i
Canon 6D« » 5.7 in 4.4 in 2.8 in 27.2 oz 1090 Y Sep 2012 2,099- i
Canon 1D X« » 6.2 in 6.6 in 3.3 in 54.7 oz 1120 Y Oct 2011 6,799- i
Canon 5D Mark II« » 6.0 in 4.5 in 3.0 in 30.0 oz 850 Y Sep 2008 3,499- i
Canon 1Ds Mark III« » 5.9 in 6.3 in 3.1 in 48.9 oz 1800 Y Aug 2007 7,999- i
Nikon D5« » 6.3 in 6.3 in 3.6 in 49.9 oz 3780 Y Jan 2016 6,499 i i
Panasonic G7« » 4.9 in 3.4 in 3.0 in 14.5 oz 350 n May 2015 649- i
Panasonic G6« » 4.8 in 3.3 in 2.8 in 13.8 oz 340 n Apr 2013 599- i
Panasonic GM1« » 3.9 in 2.2 in 1.2 in 7.2 oz 230 n Oct 2013 749- i
Ricoh GR II« » 4.6 in 2.5 in 1.4 in 8.9 oz 320 n Jun 2015 699- i
Ricoh GR« » 4.6 in 2.4 in 1.4 in 8.6 oz 290 n Apr 2013 799- 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 GM5 was launched at a markedly lower price (by 88 percent) than the 1DX Mark II, 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.

 

Sensor comparison: Canon 1D X Mark II vs Panasonic GM5

The imaging sensor is at the core of digital cameras and its size is one of the main determining factors 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. 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 associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon 1D X Mark II features a full frame sensor and the Panasonic GM5 a Four Thirds sensor. The sensor area in the GM5 is 74 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.0. The sensor in the 1DX Mark II has a native 3:2 aspect ratio, while the one in the GM5 offers a 4:3 aspect.

Canon 1D X Mark II and Panasonic GM5 sensor measures

With 20MP, the 1DX Mark II offers a higher resolution than the GM5 (15.8MP), but the 1DX Mark II nevertheless has larger individual pixels (pixel pitch of 6.57μm versus 3.77μm for the GM5) due to its larger sensor. Moreover, the 1DX Mark II is a somewhat more recent model (by 1 year and 4 months) than the GM5, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

1DX Mark II versus GM5 MP

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. 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 review, the 1DX Mark II provides substantially higher image quality than the GM5, with an overall score that is 22 points higher. This advantage is based on 2 bits higher color depth, 1.8 EV in additional dynamic range, and 2.2 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
Canon 1D X Mark II» Full Frame 20.0 5472 36484K/60p24.113.5320788
Panasonic GM5« Four Thirds 15.8 4592 34481080/60p22.111.772166
Canon 6D Mark II« » Full Frame 26.0 6240 41601080/60p24.411.9286285
Canon 5D Mark IV« » Full Frame 30.1 6720 44804K/30p24.813.6299591
Canon 80D« » APS-C 24.0 6000 40001080/60p23.613.2113579
Canon 5DS R« » Full Frame 50.3 8688 57921080/60p24.612.4230886
Canon 5DS« » Full Frame 50.3 8688 57921080/60p24.712.4238187
Canon 6D« » Full Frame 20.0 5472 36481080/30p23.812.1234082
Canon 1D X« » Full Frame 17.9 5184 34561080/30p23.811.8278682
Canon 5D Mark II« » Full Frame 21.0 5616 37441080/30p23.711.9181579
Canon 1Ds Mark III« » Full Frame 21.0 5616 3744-24.012.0166380
Nikon D5« » Full Frame 20.7 5588 37124K/30p25.112.3234388
Panasonic G7« » Four Thirds 15.8 4592 34484K/30p----
Panasonic G6« » Four Thirds 15.9 4608 34561080/60p21.311.563961
Panasonic GM1« » Four Thirds 15.8 4592 34481080/60i22.311.766066
Ricoh GR II« » APS-C 16.1 4928 32641080/30p23.613.7107880
Ricoh GR« » APS-C 16.1 4928 32641080/30p23.613.597278

Many modern cameras are not only capable of taking still images, but also of capturing video footage. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the 1DX Mark II provides a higher video resolution than the GM5. It can shoot video footage at 4K/60p, while the Panasonic is limited to 1080/60p.

 

Feature comparison: Canon 1D X Mark II vs Panasonic GM5

Beyond body and sensor, cameras can and do differ across a range of features. For example, the GM5 has an electronic viewfinder (1166k dots), while the 1DX Mark II has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The table below summarizes some of the other core capabilities of the Canon 1D X Mark II and Panasonic GM5 in connection with corresponding information for a sample of similar cameras. If needed, the dpreview camera hub, for example, contains further detail on the cameras' specs.

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
Canon 1D X Mark II»optical Y 3.2 1620 fixed Y 8000 16.0 n n
Panasonic GM5«1166 n 3.0 921 fixed Y 500 5.8 n n
Canon 6D Mark II« »optical Y 3.0 1040 swivel Y 4000 6.5 n n
Canon 5D Mark IV« »optical Y 3.2 1620 fixed Y 8000 7.0 n n
Canon 80D« »optical Y 3.0 1040 swivel Y 8000 7.0 Y n
Canon 5DS R« »optical Y 3.2 1040 fixed n 8000 5.0 n n
Canon 5DS« »optical Y 3.2 1040 fixed n 8000 5.0 n n
Canon 6D« »optical Y 3.0 1040 fixed n 4000 4.5 n n
Canon 1D X« »optical Y 3.2 1040 fixed n 8000 14.0 n n
Canon 5D Mark II« »optical Y 3.0 920 fixed n 8000 3.9 n n
Canon 1Ds Mark III« »optical Y 3.0 230 fixed n 8000 5.0 n n
Nikon D5« »optical Y 3.2 2359 fixed Y 8000 14.0 n n
Panasonic G7« »2360 n 3.0 1040 swivel Y 4000 7.0 Y n
Panasonic G6« »1440 n 3.0 1036 swivel Y 4000 7.0 Y n
Panasonic GM1« »- n 3.0 1036 fixed Y 500 5.0 Y n
Ricoh GR II« »- n 3.0 1230 fixed n 4000 4.0 Y n
Ricoh GR« »- n 3.0 1230 fixed n 4000 4.0 Y n

The 1DX Mark II is a current model that online retailers, such as amazon, will have in stock. In contrast, the GM5 has been discontinued (but it can be found pre-owned on eBay). As a replacement in the same line of cameras, the GM5 was succeeded by the ...

Review summary: Canon 1D X Mark II vs Panasonic GM5

So what conclusions can be drawn? Is the Canon 1D X Mark II better than the Panasonic GM5 or vice versa? The listing below highlights the relative strengths of the two models.

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Reasons to prefer the Canon EOS-1D X Mark II:

  • More detail: Offers more megapixels (20 vs 15.8MP) with a 15% higher linear resolution.
  • Better image quality: Scores substantially higher (22 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (2 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (1.8 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (2.2 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/60p vs 1080/60p).
  • Brighter framing: Features an optical viewfinder for clear, lag-free composition.
  • Easier setting verification: Has an LCD display on top to control shooting parameters.
  • Larger screen: Has a bigger rear LCD (3.2" vs 3.0") for image review and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1620k vs 921k dots).
  • Faster shutter: Has higher mechanical shutter speed (8000/sec vs 500/sec) to freeze action.
  • Faster burst: Shoots at higher frequency (16 vs 5.8 flaps/sec) to capture the decisive moment.
  • Longer lasting: Can take more shots (1210 versus 220) on a single battery charge.
  • Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
  • More modern: Is somewhat more recent (announced 1 year and 4 months after the GM5).

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Advantages of the Panasonic Lumix DMC-GM5:

  • More framing info: Has an electronic viewfinder that displays shooting data.
  • More compact: Is smaller (99x60mm vs 158x168mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight (by 1319g or 86 percent) and is thus easier to take along.
  • More legacy lens friendly: Can use many non-native lenses via adapters.
  • More affordable: Was introduced into a lower priced category (88 percent cheaper at launch).
  • More heavily discounted: Has been on the market for longer (launched in September 2014).

If the count of individual advantages (bullet points above) is taken as a guide, the 1DX Mark II is the clear winner of the match-up (15 : 6 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 when reflecting and deciding on a new camera.

1DX Mark II 15:06 GM5

In any case, while the comparison of the spec-sheets of cameras can offer a general idea of their imaging potential, it remains partial and cannot reveal, for example, the handling experience and imaging performance when actually working with the 1DX Mark II or the GM5. 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 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 detailed reviews can be accessed 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)
Canon 1D X Mark II»-89/1004.5/55/54.5/5 Feb 2016 5,999 i i
Panasonic GM5«Rec77/1005/55/54.5/5 Sep 2014 749- i
Canon 6D Mark II« »Rec80/1004.5/54/54/5 Jun 2017 1,999 i i
Canon 5D Mark IV« »HiRec87/1004.5/55/54.5/5 Aug 2016 3,499 i i
Canon 80D« »HiRec84/1004.5/54.5/54.5/5 Feb 2016 1,199 i i
Canon 5DS R« »Rec83/1005/55/54.5/5 Feb 2015 3,699 i i
Canon 5DS« »Rec83/1004.5/55/54.5/5 Feb 2015 3,699 i i
Canon 6D« »HiRec83/1004.5/54.5/54.5/5 Sep 2012 2,099- i
Canon 1D X« »--4.5/54.5/54.5/5 Oct 2011 6,799- i
Canon 5D Mark II« »91/10079/1004/55/5- Sep 2008 3,499- i
Canon 1Ds Mark III« »-HiRec4.5/5-- Aug 2007 7,999- i
Nikon D5« »-89/1004.5/55/55/5 Jan 2016 6,499 i i
Panasonic G7« »HiRec80/1005/54.5/54.5/5 May 2015 649- i
Panasonic G6« »HiRec-5/5-4.5/5 Apr 2013 599- i
Panasonic GM1« »Rec78/1005/54.5/54.5/5 Oct 2013 749- i
Ricoh GR II« »--4.5/54.5/54.5/5 Jun 2015 699- i
Ricoh GR« »-79/1004.5/54.5/54.5/5 Apr 2013 799- i

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. Hence, a score should always be seen in the context of the camera's market launch date and its price, 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? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. An an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool. If you do not see the camera that you are looking for, please send me an email, and I will try to locate and add the respective data to the application.

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