Canon 1D X Mark III vs G9X Mark II
The Canon EOS-1D X Mark III and the Canon PowerShot G9 X Mark II are two digital cameras that were revealed to the public, respectively, in January 2020 and January 2017. The 1DX Mark III is a DSLR, while the G9X Mark II is a fixed lens compact. The cameras are based on a full frame (1DX Mark III) and an one-inch (G9X Mark II) sensor. Both cameras offer a resolution of 20 megapixels.
Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Check 1DX Mark III price at
amazon.com

Check G9X Mark II offers at
ebay.com
Going beyond this snapshot of core features and characteristics, what are the differences between the Canon EOS-1D X Mark III and the Canon PowerShot G9 X Mark II? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.
Body comparison
The side-by-side display below illustrates the physical size and weight of the Canon 1D X Mark III and the Canon G9 X Mark II. The two cameras are presented according to their relative size. Three consecutive perspectives from the front, the top, and the back are available. All width, height and depth measures are rounded to the nearest millimeter.
The G9X Mark II can be obtained in two different colors (black, silver), while the 1DX Mark III is only available in black.



If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon G9 X Mark II is considerably smaller (79 percent) than the Canon 1D X Mark III. It is worth mentioning in this context that the 1DX Mark III is splash and dust resistant, while the G9X Mark II does not feature any corresponding weather-sealing.
The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G9X Mark II has a lens built in, whereas the 1DX Mark III is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the 1DX Mark III and their specifications in the Canon EF Lens Catalog.
Concerning battery life, the 1DX Mark III gets 2850 shots out of its LP-E19 battery, while the G9X Mark II can take 235 images on a single charge of its NB-13L power pack. As can be seen in the images above, the 1DX Mark III has a battery grip built in. This facilitates image-taking in portrait orientation and gives it additional battery power. The power pack in the G9X Mark II can be charged via the USB port, which can be very convenient when travelling.
The following table provides a synthesis of the main physical specifications of the two cameras and other similar ones. If you would like to visualize and compare a different camera combination, you can navigate to the CAM-parator app and make your selection from a broad list of cameras there.

Camera Model |
Camera Width |
Camera Height |
Camera Depth |
Camera Weight |
Battery Life |
Weather Sealing |
Camera Launch |
Launch Price (USD) |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Canon 1D X Mark III | 158 mm | 168 mm | 83 mm | 1440 g | 2850 | Y | Jan 2020 | 6,499 | amazon.com | |
2. | Canon G9 X Mark II | 98 mm | 58 mm | 31 mm | 206 g | 235 | n | Jan 2017 | 529 | ebay.com | |
3. | Canon R3 | 150 mm | 143 mm | 87 mm | 1015 g | 760 | Y | Sep 2021 | 5,999 | amazon.com | |
4. | Canon M100 | 108 mm | 67 mm | 35 mm | 302 g | 295 | n | Aug 2017 | 499 | ebay.com | |
5. | Canon SL2 | 122 mm | 93 mm | 70 mm | 453 g | 650 | n | Jun 2017 | 549 | ebay.com | |
6. | Canon 1D X Mark II | 158 mm | 168 mm | 83 mm | 1530 g | 1210 | Y | Feb 2016 | 5,999 | ebay.com | |
7. | Canon G7 X Mark II | 106 mm | 61 mm | 42 mm | 319 g | 265 | n | Feb 2016 | 699 | ebay.com | |
8. | Canon G9 X | 98 mm | 58 mm | 31 mm | 209 g | 220 | n | Oct 2015 | 529 | ebay.com | |
9. | Canon G7 X | 103 mm | 60 mm | 40 mm | 304 g | 210 | n | Sep 2014 | 699 | ebay.com | |
10. | Canon 1D C | 158 mm | 164 mm | 83 mm | 1545 g | 1120 | Y | Apr 2012 | 14,999 | ebay.com | |
11. | Canon 5D Mark III | 152 mm | 116 mm | 76 mm | 950 g | 950 | Y | Mar 2012 | 3,499 | ebay.com | |
12. | Canon 6D | 145 mm | 111 mm | 71 mm | 770 g | 1090 | Y | Sep 2012 | 2,099 | ebay.com | |
13. | Canon 1D X | 158 mm | 168 mm | 83 mm | 1551 g | 1120 | Y | Oct 2011 | 6,799 | ebay.com | |
14. | Canon 5D Mark II | 152 mm | 114 mm | 75 mm | 850 g | 850 | Y | Sep 2008 | 3,499 | ebay.com | |
15. | Canon 1Ds Mark III | 150 mm | 160 mm | 80 mm | 1385 g | 1800 | Y | Aug 2007 | 7,999 | ebay.com | |
16. | Canon 1Ds Mark II | 156 mm | 158 mm | 80 mm | 1215 g | 1200 | Y | Sep 2004 | 7,999 | ebay.com | |
17. | Nikon D6 | 160 mm | 163 mm | 92 mm | 1270 g | 3580 | Y | Feb 2020 | 6,499 | amazon.com | |
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders. | |||||||||||
Any camera decision will obviously take relative prices into account. 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 1DX Mark III, despite having a lens built 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. Then, after the new model is out, very good deals can frequently be found on the pre-owned market.
Sensor comparison
The size of the imaging sensor is a crucial determinant 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 associated with larger, more expensive camera bodies and lenses.
Of the two cameras under consideration, the Canon 1D X Mark III features a full frame sensor and the Canon G9 X Mark II an one-inch sensor. The sensor area in the G9X Mark II is 87 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 2.7. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.
In terms of chip-set technology, the 1DX Mark III uses a more advanced image processing engine (DIGIC X) than the G9X Mark II (DIGIC 7), with benefits for noise reduction, color accuracy, and processing speed.

Even though the 1DX Mark III has a larger sensor, both cameras offer the same resolution of 20 megapixels. This implies that the 1DX Mark III has a lower pixel density and larger individual pixels (with a pixel pitch of 6.57μm versus 2.41μm for the G9X Mark II), which gives it a potential advantage in terms of light gathering capacity. In addition, the 1DX Mark III is much more recent (by 3 years) than the G9X Mark II, and its sensor will have benefitted from technological advances during this time.
The 1DX Mark III has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.
The Canon EOS-1D X Mark III has a native sensitivity range from ISO 100 to ISO 102400, which can be extended to ISO 50-819200. The corresponding ISO settings for the Canon PowerShot G9 X Mark II are ISO 125 to ISO 12800 (no boost).
In terms of underlying technology, the 1DX Mark III is build around a CMOS sensor, while the G9X Mark II uses a BSI-CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). Of the two cameras under review, the 1DX Mark III provides substantially higher image quality than the G9X Mark II, with an overall score that is 26 points higher. This advantage is based on 2.3 bits higher color depth, 2 EV in additional dynamic range, and 2.6 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.

Camera Model |
Sensor Class |
Resolution (MP) |
Horiz. Pixels |
Vert. Pixels |
Video Format |
DXO Portrait |
DXO Landscape |
DXO Sports |
DXO Overall |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Canon 1D X Mark III | Full Frame | 20.0 | 5472 | 3648 | 4K/60p | 24.2 | 14.5 | 3248 | 91 | |
2. | Canon G9 X Mark II | 1-inch | 20.0 | 5472 | 3648 | 1080/60p | 21.9 | 12.5 | 522 | 65 | |
3. | Canon R3 | Full Frame | 24.0 | 6000 | 4000 | 6K/60p | 25.0 | 14.7 | 4086 | 96 | |
4. | Canon M100 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 23.5 | 12.9 | 1272 | 78 | |
5. | Canon SL2 | APS-C | 24.0 | 6000 | 4000 | 1080/60p | 23.6 | 13.4 | 1041 | 79 | |
6. | Canon 1D X Mark II | Full Frame | 20.0 | 5472 | 3648 | 4K/60p | 24.1 | 13.5 | 3207 | 88 | |
7. | Canon G7 X Mark II | 1-inch | 20.0 | 5472 | 3648 | 1080/60p | 21.8 | 11.9 | 260 | 62 | |
8. | Canon G9 X | 1-inch | 20.0 | 5472 | 3648 | 1080/60p | 21.5 | 12.3 | 495 | 63 | |
9. | Canon G7 X | 1-inch | 20.0 | 5472 | 3648 | 1080/60p | 23.0 | 12.7 | 556 | 71 | |
10. | Canon 1D C | Full Frame | 17.9 | 5184 | 3456 | 4K/24p | 24.3 | 13.0 | 2155 | 85 | |
11. | Canon 5D Mark III | Full Frame | 22.1 | 5760 | 3840 | 1080/30p | 24.0 | 11.7 | 2293 | 81 | |
12. | Canon 6D | Full Frame | 20.0 | 5472 | 3648 | 1080/30p | 23.8 | 12.1 | 2340 | 82 | |
13. | Canon 1D X | Full Frame | 17.9 | 5184 | 3456 | 1080/30p | 23.8 | 11.8 | 2786 | 82 | |
14. | Canon 5D Mark II | Full Frame | 21.0 | 5616 | 3744 | 1080/30p | 23.7 | 11.9 | 1815 | 79 | |
15. | Canon 1Ds Mark III | Full Frame | 21.0 | 5616 | 3744 | none | 24.0 | 12.0 | 1663 | 80 | |
16. | Canon 1Ds Mark II | Full Frame | 16.6 | 4992 | 3328 | none | 23.3 | 11.3 | 1480 | 74 | |
17. | Nikon D6 | Full Frame | 20.7 | 5568 | 3712 | 4K/30p | 25.3 | 14.3 | 2886 | 95 | |
Note: DXO values in italics represent estimates based on sensor size and age. |
Many modern cameras cannot only take still pictures, but also record videos. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the 1DX Mark III provides a higher video resolution than the G9X Mark II. It can shoot video footage at 4K/60p, while the G9X Mark II is limited to 1080/60p.
Feature comparison
Apart from body and sensor, cameras can and do differ across a variety of features. For example, the 1DX Mark III has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the G9X Mark II relies on live view and the rear LCD for framing. The adjacent table lists some of the other core features of the Canon 1D X Mark III and Canon G9 X Mark II along with similar information for a selection of comparators.

Camera Model |
Viewfinder (Type or 000 dots) |
Control Panel (yes/no) |
LCD Specifications (inch/000 dots) |
LCD Attach- ment |
Touch Screen (yes/no) |
Max Shutter Speed * |
Max Shutter Flaps * |
Built-in Flash (yes/no) |
Built-in Image Stab |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Canon 1D X Mark III | optical | Y | 3.2 / 2100 | fixed | Y | 1/8000s | 20.0/s | n | n | |
2. | Canon G9 X Mark II | none | n | 3.0 / 1040 | fixed | Y | 1/2000s | 8.2/s | Y | Y | |
3. | Canon R3 | 5760 | Y | 3.2 / 4150 | swivel | Y | 1/8000s | 12.0/s | n | Y | |
4. | Canon M100 | none | n | 3.0 / 1040 | tilting | Y | 1/4000s | 6.1/s | Y | n | |
5. | Canon SL2 | optical | n | 3.0 / 1040 | swivel | Y | 1/4000s | 5.0/s | Y | n | |
6. | Canon 1D X Mark II | optical | Y | 3.2 / 1620 | fixed | Y | 1/8000s | 16.0/s | n | n | |
7. | Canon G7 X Mark II | none | n | 3.0 / 1040 | tilting | Y | 1/2000s | 8.0/s | Y | Y | |
8. | Canon G9 X | none | n | 3.0 / 1040 | fixed | Y | 1/2000s | 6.0/s | Y | Y | |
9. | Canon G7 X | none | n | 3.0 / 1040 | tilting | Y | 1/2000s | 6.5/s | Y | Y | |
10. | Canon 1D C | optical | Y | 3.2 / 1040 | fixed | n | 1/8000s | 14.0/s | n | n | |
11. | Canon 5D Mark III | optical | Y | 3.2 / 1040 | fixed | n | 1/8000s | 6.0/s | n | n | |
12. | Canon 6D | optical | Y | 3.0 / 1040 | fixed | n | 1/4000s | 4.5/s | n | n | |
13. | Canon 1D X | optical | Y | 3.2 / 1040 | fixed | n | 1/8000s | 14.0/s | n | n | |
14. | Canon 5D Mark II | optical | Y | 3.0 / 920 | fixed | n | 1/8000s | 3.9/s | n | n | |
15. | Canon 1Ds Mark III | optical | Y | 3.0 / 230 | fixed | n | 1/8000s | 5.0/s | n | n | |
16. | Canon 1Ds Mark II | optical | Y | 2.0 / 230 | fixed | n | 1/8000s | 4.0/s | n | n | |
17. | Nikon D6 | optical | Y | 3.2 / 2359 | fixed | Y | 1/8000s | 14.0/s | n | n | |
Notes: *) Information refers to the mechanical shutter, unless the camera only has an electronic one. |
One feature that is present on the 1DX Mark III, but is missing on the G9X Mark II is a top-level LCD. While being, of course, smaller than the rear screen, the control panel conveys some of the essential shooting information and can be convenient for quick and easy settings verification.
The Canon 1D X Mark III and the Canon G9 X Mark II both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.
The 1DX Mark III writes its imaging data to CFexpress (type B) cards, while the G9X Mark II uses SDXC cards. The 1DX Mark III features dual card slots, which can be very useful in case a memory card fails. In contrast, the G9X Mark II only has one slot.
Connectivity comparison
For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon EOS-1D X Mark III and Canon PowerShot G9 X Mark II and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Camera Model |
Hotshoe Port |
Internal Mic / Speaker |
Microphone Port |
Headphone Port |
HDMI Port |
USB Port |
WiFi Support |
NFC Support |
Bluetooth Support |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Canon 1D X Mark III | Y | mono / mono | Y | Y | mini | 3.1 | Y | - | Y | |
2. | Canon G9 X Mark II | - | stereo / mono | - | - | micro | 2.0 | Y | Y | Y | |
3. | Canon R3 | Y | stereo / mono | Y | Y | micro | 3.2 | Y | - | Y | |
4. | Canon M100 | - | stereo / mono | - | - | micro | 2.0 | Y | Y | Y | |
5. | Canon SL2 | Y | stereo / mono | Y | - | mini | 2.0 | Y | Y | Y | |
6. | Canon 1D X Mark II | Y | mono / mono | Y | Y | mini | 3.0 | - | - | - | |
7. | Canon G7 X Mark II | - | stereo / mono | - | - | micro | 2.0 | Y | Y | - | |
8. | Canon G9 X | - | stereo / mono | - | - | micro | 2.0 | Y | Y | - | |
9. | Canon G7 X | - | stereo / mono | - | - | micro | 2.0 | Y | Y | - | |
10. | Canon 1D C | Y | mono / mono | Y | Y | mini | 2.0 | - | - | - | |
11. | Canon 5D Mark III | Y | mono / mono | Y | Y | mini | 2.0 | - | - | - | |
12. | Canon 6D | Y | mono / mono | Y | - | mini | 2.0 | Y | - | - | |
13. | Canon 1D X | Y | mono / - | Y | - | mini | 2.0 | - | - | - | |
14. | Canon 5D Mark II | Y | mono / mono | Y | - | mini | 2.0 | - | - | - | |
15. | Canon 1Ds Mark III | Y | mono / - | - | - | - | 2.0 | - | - | - | |
16. | Canon 1Ds Mark II | Y | - / - | - | - | - | 2.0 | - | - | - | |
17. | Nikon D6 | Y | stereo / mono | Y | Y | mini | 3.1 | Y | - | Y |
It is notable that the 1DX Mark III has a hotshoe, while the G9X Mark II does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.
Studio photographers will appreciate that the Canon 1D X Mark III (unlike the G9X Mark II) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.
Travel and landscape photographers will find it useful that the 1DX Mark III has an internal geolocalization sensor and can record GPS coordinates in its EXIF data.
The 1DX Mark III is a recent model that features in the current product line-up of Canon. In contrast, the G9X Mark II has been discontinued (but can be found pre-owned on ebay). There has not been a direct replacement model for the G9X Mark II from Canon. Further information on the features and operation of the 1DX Mark III and G9X Mark II can be found, respectively, in the Canon 1D X Mark III Manual (free pdf) or the online Canon G9 X Mark II Manual.
Review summary
So what is the bottom line? Which of the two cameras – the Canon 1D X Mark III or the Canon G9 X Mark II – has the upper hand? Is one clearly better than the other? Below is a summary of the relative strengths of each of the two contestants.
Advantages of the Canon EOS-1D X Mark III:
- Better image quality: Scores substantially higher (26 points) in the DXO overall assessment.
- Richer colors: Generates images with noticeably better colors (2.3 bits more color depth).
- More dynamic range: Captures a larger spectrum of light and dark details (2 EV of extra DR).
- Better low-light sensitivity: Requires less light for good images (2.6 stops ISO advantage).
- Better jpgs: Has a more modern image processing engine (DIGIC X vs DIGIC 7).
- Better video: Provides higher definition movie capture (4K/60p vs 1080/60p).
- Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
- Better sound: Can connect to an external microphone for higher quality sound recording.
- Better sound control: Has a headphone port that enables audio monitoring while recording.
- Easier framing: Has an optical viewfinder for image composition and settings control.
- Easier setting verification: Features 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 (2100k vs 1040k dots).
- Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
- Faster burst: Shoots at higher frequency (20 vs 8.2 flaps/sec) to capture the decisive moment.
- More flexible: Can take a variety of interchangeable lenses, including specialty optics.
- More portrait friendly: Features an integrated vertical grip for easier portrait shooting.
- Longer lasting: Can take more shots (2850 versus 235) on a single battery charge.
- Better sealing: Is weather sealed to enable shooting in dusty or wet environments.
- Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
- Easier geotagging: Features an internal GPS sensor to log localization data.
- Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
- Better studio light control: Has a PC Sync socket to connect to professional strobe lights.
- Greater peace of mind: Features a second card slot as a backup in case of memory card failure.
- More modern: Reflects 3 years of technical progress since the G9X Mark II launch.
Arguments in favor of the Canon PowerShot G9 X Mark II:
- Ready to shoot: Comes with an integrated lens, while the 1DX Mark III requires a separate lens.
- More compact: Is smaller (98x58mm vs 158x168mm) and will fit more readily into a bag.
- Less heavy: Has a lower weight even though it has a lens built in (unlike the 1DX Mark III).
- Easier travel charging: Can be conveniently charged via its USB port.
- Sharper images: Has stabilization technology built-in to reduce the impact of hand-shake.
- Easier fill-in: Has a small integrated flash to brighten shadows of backlit subjects.
- Easier device pairing: Supports NFC for fast wireless image transfer over short distances.
- More affordable: Was introduced at a lower price, despite coming with a built-in lens.
- More heavily discounted: Has been around for much longer (launched in January 2017).
If the count of individual advantages (bullet points above) is taken as a guide, the 1DX Mark III is the clear winner of the match-up (25 : 9 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. A professional sports photographer will view the differences between cameras in a way that diverges from the perspective of a street photog, and a person interested in family portraits has distinct needs from a landscape shooter. Hence, the decision which camera is best and worth buying is often a very personal one.
How about other alternatives? Do the specifications of the Canon 1D X Mark III and the Canon G9 X Mark II place the cameras among the top in their class? Find out in the latest Best DSLR Camera and Best Travel-Zoom Camera listings whether the two cameras rank among the cream of the crop.
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 shooting experience and imaging performance when actually working with the 1DX Mark III or the G9X Mark II. 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.
Expert reviews
This is why expert reviews are important. The following table reports the overall ratings of the cameras as published by some of the major camera review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

Camera Model |
AP score |
CL score |
DCW score |
DPR score |
EPZ score |
PB score |
Camera Launch |
Launch Price (USD) |
Street Price |
||
---|---|---|---|---|---|---|---|---|---|---|---|
1. | Canon 1D X Mark III | .. | + + | 5/5 | .. | 4.5/5 | 4/5 | Jan 2020 | 6,499 | amazon.com | |
2. | Canon G9 X Mark II | 4/5 | .. | 4/5 | 75/100 | 4.5/5 | 4.5/5 | Jan 2017 | 529 | ebay.com | |
3. | Canon R3 | 5/5 | o | 4.5/5 | .. | 5/5 | 4.5/5 | Sep 2021 | 5,999 | amazon.com | |
4. | Canon M100 | 3/5 | + | .. | .. | 4/5 | 3.5/5 | Aug 2017 | 499 | ebay.com | |
5. | Canon SL2 | 4/5 | + + | 4/5 | 78/100 | 4.5/5 | 4.5/5 | Jun 2017 | 549 | ebay.com | |
6. | Canon 1D X Mark II | .. | .. | 4.5/5 | 89/100 | 4.5/5 | 4.5/5 | Feb 2016 | 5,999 | ebay.com | |
7. | Canon G7 X Mark II | 4.5/5 | + + | .. | 81/100 | 4.5/5 | 4.5/5 | Feb 2016 | 699 | ebay.com | |
8. | Canon G9 X | 3.5/5 | + + | .. | .. | 4.5/5 | 4.5/5 | Oct 2015 | 529 | ebay.com | |
9. | Canon G7 X | 4/5 | + + | .. | 77/100 | 4.5/5 | 4.5/5 | Sep 2014 | 699 | ebay.com | |
10. | Canon 1D C | .. | .. | .. | .. | .. | .. | Apr 2012 | 14,999 | ebay.com | |
11. | Canon 5D Mark III | .. | + + | .. | 82/100 | 4.5/5 | 4.5/5 | Mar 2012 | 3,499 | ebay.com | |
12. | Canon 6D | 5/5 | + + | .. | 83/100 | 4.5/5 | 4.5/5 | Sep 2012 | 2,099 | ebay.com | |
13. | Canon 1D X | 5/5 | .. | .. | .. | 4.5/5 | 4.5/5 | Oct 2011 | 6,799 | ebay.com | |
14. | Canon 5D Mark II | 4/5 | 91/100 | .. | 79/100 | 4/5 | .. | Sep 2008 | 3,499 | ebay.com | |
15. | Canon 1Ds Mark III | .. | .. | .. | + + | 4.5/5 | .. | Aug 2007 | 7,999 | ebay.com | |
16. | Canon 1Ds Mark II | .. | .. | .. | + + | .. | .. | Sep 2004 | 7,999 | ebay.com | |
17. | Nikon D6 | .. | .. | 4/5 | .. | 4.5/5 | 4.5/5 | Feb 2020 | 6,499 | amazon.com | |
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available. |
The review scores listed above should be treated with care, though. The ratings are only valid when referring 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 comparing ratings of very distinct cameras or ones that are far apart in terms of their release date have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Check 1DX Mark III price at
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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.
- Canon 1D Mark II N vs Canon G9 X Mark II
- Canon 1D Mark II vs Canon 1D X Mark III
- Canon 1D X Mark III vs Canon R3
- Canon 1D X Mark III vs Fujifilm GFX 50S II
- Canon 1D X Mark III vs Nikon D40
- Canon 1D X Mark III vs Panasonic FT7
- Canon 1D X Mark III vs Panasonic S5
- Canon G9 X Mark II vs Canon T1i
- Canon G9 X Mark II vs Canon T8i
- Canon G9 X Mark II vs Leica Digilux 3
- Canon G9 X Mark II vs Panasonic S5
- Canon G9 X Mark II vs Sony A6100
Specifications: Canon 1D X Mark III vs Canon G9 X Mark II
Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.
Camera Model | Canon 1D X Mark III | Canon G9 X Mark II |
Camera Type | Digital single lens reflex | Fixed lens compact camera |
Camera Lens | Canon EF mount lenses | 28-84mm f/2.0-4.9 |
Launch Date | January 2020 | January 2017 |
Launch Price | USD 6,499 | USD 529 |
Sensor Specs | Canon 1D X Mark III | Canon G9 X Mark II |
---|---|---|
Sensor Technology | CMOS | BSI-CMOS |
Sensor Format | Full Frame Sensor | 1" Sensor |
Sensor Size | 36.0 x 24.0 mm | 13.2 x 8.8 mm |
Sensor Area | 864 mm2 | 116.16 mm2 |
Sensor Diagonal | 43.3 mm | 15.9 mm |
Crop Factor | 1.0x | 2.7x |
Sensor Resolution | 20 Megapixels | 20 Megapixels |
Image Resolution | 5472 x 3648 pixels | 5472 x 3648 pixels |
Pixel Pitch | 6.57 μm | 2.41 μm |
Pixel Density | 2.31 MP/cm2 | 17.18 MP/cm2 |
Moiré control | Anti-Alias filter | Anti-Alias filter |
Movie Capability | 4K/60p Video | 1080/60p Video |
ISO Setting | 100 - 102,400 ISO | 125 - 12,800 ISO |
ISO Boost | 50 - 819,200 ISO | no Enhancement |
Image Processor | DIGIC X | DIGIC 7 |
DXO Sensor Quality (score) | 91 | 65 |
DXO Color Depth (bits) | 24.2 | 21.9 |
DXO Dynamic Range (EV) | 14.5 | 12.5 |
DXO Low Light (ISO) | 3248 | 522 |
Screen Specs | Canon 1D X Mark III | Canon G9 X Mark II |
Viewfinder Type | Optical viewfinder | no viewfinder |
Viewfinder Field of View | 100% | |
Viewfinder Magnification | 0.76x | |
Top-Level Screen | Control Panel | no Top Display |
LCD Framing | Live View | Live View |
Rear LCD Size | 3.2inch | 3.0inch |
LCD Resolution | 2100k dots | 1040k dots |
LCD Attachment | Fixed screen | Fixed screen |
Touch Input | Touchscreen | Touchscreen |
Shooting Specs | Canon 1D X Mark III | Canon G9 X Mark II |
Focus System | Phase-detect AF | Contrast-detect AF |
Manual Focusing Aid | no Peaking Feature | Focus Peaking |
Max Shutter Speed (mechanical) | 1/8000s | 1/2000s |
Continuous Shooting | 20 shutter flaps/s | 8.2 shutter flaps/s |
Time-Lapse Photography | Intervalometer built-in | Intervalometer built-in |
Fill Flash | no On-Board Flash | Built-in Flash |
Storage Medium | CFexB cards | SDXC cards |
Single or Dual Card Slots | Dual card slots | Single card slot |
Connectivity Specs | Canon 1D X Mark III | Canon G9 X Mark II |
External Flash | Hotshoe | no Hotshoe |
Studio Flash | PC Sync socket | no PC Sync |
USB Connector | USB 3.1 | USB 2.0 |
HDMI Port | mini HDMI | micro HDMI |
Microphone Port | External MIC port | no MIC socket |
Headphone Socket | Headphone port | no Headphone port |
Wifi Support | Wifi built-in | Wifi built-in |
Near-Field Communication | no NFC | NFC built-in |
Bluetooth Support | Bluetooth built-in | Bluetooth built-in |
Geotagging | GPS built-in | no internal GPS |
Body Specs | Canon 1D X Mark III | Canon G9 X Mark II |
Environmental Sealing | Weathersealed body | not weather sealed |
Battery Type | LP-E19 | NB-13L |
Battery Life (CIPA) | 2850 shots per charge | 235 shots per charge |
In-Camera Charging | no USB charging | USB charging |
Body Dimensions |
158 x 168 x 83 mm (6.2 x 6.6 x 3.3 in) |
98 x 58 x 31 mm (3.9 x 2.3 x 1.2 in) |
Camera Weight | 1440 g (50.8 oz) | 206 g (7.3 oz) |

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