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Canon 1D X Mark III vs G7X Mark III

The Canon EOS-1D X Mark III and the Canon PowerShot G7 X Mark III are two digital cameras that were announced, respectively, in January 2020 and July 2019. The 1DX Mark III is a DSLR, while the G7X Mark III is a fixed lens compact. The cameras are based on a full frame (1DX Mark III) and an one-inch (G7X Mark III) 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.

Headline Specifications
Canon 1D X Mark III versus Canon G7 X Mark III
Canon 1D X Mark III Canon G7 X Mark III
Digital single lens reflex Fixed lens compact camera
Canon EF mount lenses 24-100mm f/1.8-2.8
20 MP, Full Frame Sensor 20 MP, 1" Sensor
4K/60p Video 4K/30p Video
ISO 100-102,400 (50 - 819,200) ISO 125-12,800 (125 - 25,600)
Optical viewfinder No viewfinder, LCD framing
3.2 LCD, 2100k dots 3.0 LCD, 1040k dots
Fixed touchscreen Tilting touchscreen
20 shutter flaps per second 30 shutter flaps per second
Weathersealed bodynot weather sealed
2850 shots per battery charge235 shots per battery charge
158 x 168 x 83 mm, 1440 g 105 x 61 x 41 mm, 304 g

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 G7 X Mark III? 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

An illustration of the physical size and weight of the Canon 1D X Mark III and the Canon G7 X Mark III is provided in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.

The G7X Mark III can be obtained in two different colors (black, silver), while the 1DX Mark III is only available in black.

Size Canon 1D X Mark III vs Canon G7 X Mark III
Compare 1DX Mark III versus G7X Mark III top
Comparison 1DX Mark III or G7X Mark III rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon G7 X Mark III is considerably smaller (76 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 G7X Mark III does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G7X Mark III 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 G7X Mark III 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 G7X Mark III 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.

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Body Specifications
    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 i
2.
 
Canon G7 X Mark III 105 mm 61 mm 41 mm 304 g 235 n Jul 2019 749 i
3.
 
Canon G5 X Mark II 111 mm 61 mm 46 mm 340 g 230 n Jul 2019 899 i
4.
 
Canon SX740 110 mm 64 mm 40 mm 299 g 265 n Jul 2018 399 i
5.
 
Canon 1D X Mark II 158 mm 168 mm 83 mm 1530 g 1210 Y Feb 2016 5,999i
6.
 
Canon G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 699i
7.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799i
8.
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699i
9.
 
Canon 1D C 158 mm 164 mm 83 mm 1545 g 1120 Y Apr 2012 14,999i
10.
 
Canon 5D Mark III 152 mm 116 mm 76 mm 950 g 950 Y Mar 2012 3,499i
11.
 
Canon 1D X 158 mm 168 mm 83 mm 1551 g 1120 Y Oct 2011 6,799i
12.
 
Canon 1D Mark IV 156 mm 157 mm 80 mm 1230 g 1500 Y Oct 2009 4,999i
13.
 
Canon 5D Mark II 152 mm 114 mm 75 mm 850 g 850 Y Sep 2008 3,499i
14.
 
Canon 1Ds Mark III 150 mm 160 mm 80 mm 1385 g 1800 Y Aug 2007 7,999i
15.
 
Canon 1Ds Mark II 156 mm 158 mm 80 mm 1215 g 1200 Y Sep 2004 7,999i
16.
 
Canon 1D 156 mm 158 mm 80 mm 1585 g 500 Y Sep 2001 6,499i
17.
 
Nikon D6 160 mm 163 mm 92 mm 1270 g 3580 Y Feb 2020 6,499 i
Notes: 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 G7X Mark III was launched at a lower price than the 1DX Mark III, despite having a lens built in. 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.

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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 G7 X Mark III an one-inch sensor. The sensor area in the G7X Mark III 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 G7X Mark III (DIGIC 8), with benefits for noise reduction, color accuracy, and processing speed.

Canon 1D X Mark III and Canon G7 X Mark III sensor measures

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 G7X Mark III), which gives it a potential advantage in terms of light gathering capacity. In addition, the 1DX Mark III is a somewhat more recent model (by 5 months) than the G7X Mark III, and its sensor might 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 G7 X Mark III are ISO 125 to ISO 12800, with the possibility to increase the ISO range to 125-25600.

1DX Mark III versus G7X Mark III 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"). The adjacent table reports on the physical sensor characteristics and the outcomes of the DXO sensor quality tests for a sample of comparator-cameras.

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Sensor Characteristics
    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 36484K/60p24.214.5324891
2.
 
Canon G7 X Mark III 1-inch 20.0 5472 36484K/30p........
3.
 
Canon G5 X Mark II 1-inch 20.0 5472 36484K/30p........
4.
 
Canon SX740 1/2.3 20.2 5184 38884K/30p........
5.
 
Canon 1D X Mark II Full Frame 20.0 5472 36484K/60p24.113.5320788
6.
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p........
7.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p........
8.
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
9.
 
Canon 1D C Full Frame 17.9 5184 34564K/24p........
10.
 
Canon 5D Mark III Full Frame 22.1 5760 38401080/30p24.011.7229381
11.
 
Canon 1D X Full Frame 17.9 5184 34561080/30p23.811.8278682
12.
 
Canon 1D Mark IV APS-H 16.0 4896 32641080/30p22.812.0132074
13.
 
Canon 5D Mark II Full Frame 21.0 5616 37441080/30p23.711.9181579
14.
 
Canon 1Ds Mark III Full Frame 21.0 5616 3744none24.012.0166380
15.
 
Canon 1Ds Mark II Full Frame 16.6 4992 3328none23.311.3148074
16.
 
Canon 1D APS-H 4.1 2496 1662none........
17.
 
Nikon D6 Full Frame 20.7 5568 37124K/30p........

Many modern cameras are not only capable of taking still images, but can also record movies. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the 1DX Mark III provides a higher frame rate than the G7X Mark III. It can shoot video footage at 4K/60p, while the G7X Mark III is limited to 4K/30p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range 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 G7X Mark III 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 G7 X Mark III along with similar information for a selection of comparators.

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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)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
1.
 
Canon 1D X Mark IIIoptical Y 3.2 2100 fixed Y 1/8000s 20.0 n n
2.
 
Canon G7 X Mark IIInone n 3.0 1040 tilting Y 1/2000s 30 Y Y
3.
 
Canon G5 X Mark II2360 n 3.0 1040 tilting Y 1/2000s 30 Y Y
4.
 
Canon SX740none n 3.0 922 tilting n 1/3200s 10.0 Y Y
5.
 
Canon 1D X Mark IIoptical Y 3.2 1620 fixed Y 1/8000s 16.0 n n
6.
 
Canon G7 X Mark IInone n 3.0 1040 tilting Y 1/2000s 8.0 Y Y
7.
 
Canon G5 X2360 n 3.0 1040 swivel Y 1/2000s 5.9 Y Y
8.
 
Canon G7 Xnone n 3.0 1040 tilting Y 1/2000s 6.5 Y Y
9.
 
Canon 1D Coptical Y 3.2 1040 fixed n 1/8000s 14.0 n n
10.
 
Canon 5D Mark IIIoptical Y 3.2 1040 fixed n 1/8000s 6.0 n n
11.
 
Canon 1D Xoptical Y 3.2 1040 fixed n 1/8000s 14.0 n n
12.
 
Canon 1D Mark IVoptical Y 3.0 920 fixed n 1/8000s 10.0 n n
13.
 
Canon 5D Mark IIoptical Y 3.0 920 fixed n 1/8000s 3.9 n n
14.
 
Canon 1Ds Mark IIIoptical Y 3.0 230 fixed n 1/8000s 5.0 n n
15.
 
Canon 1Ds Mark IIoptical Y 2.0 230 fixed n 1/8000s 4.0 n n
16.
 
Canon 1Doptical Y 2.0 120 fixed n 1/16000s 8.0 n n
17.
 
Nikon D6optical Y 3.2 2359 fixed Y 1/8000s 14.0 n n

One feature that is present on the 1DX Mark III, but is missing on the G7X Mark III 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 G7X Mark III has an articulated screen that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in taking selfies. In contrast, the 1DX Mark III does not have a selfie-screen.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the G7X Mark III is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Canon 1D X Mark III and the Canon G7 X Mark III 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 cards, while the G7X Mark III 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 G7X Mark III only has one slot.

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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 G7 X Mark III and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
    Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Canon 1D X Mark IIIYmonomonoYYmini3.1Y-Y
2.
 
Canon G7 X Mark III-stereomonoY-micro3.1Y-Y
3.
 
Canon G5 X Mark II-stereomono--micro3.1Y-Y
4.
 
Canon SX740-stereomono--micro2.0Y-Y
5.
 
Canon 1D X Mark IIYmonomonoYYmini3.0---
6.
 
Canon G7 X Mark II-stereomono--micro2.0YY-
7.
 
Canon G5 XYstereomono--mini2.0YY-
8.
 
Canon G7 X-stereomono--micro2.0YY-
9.
 
Canon 1D CYmonomonoYYmini2.0---
10.
 
Canon 5D Mark IIIYmonomonoYYmini2.0---
11.
 
Canon 1D XYmono-Y-mini2.0---
12.
 
Canon 1D Mark IVYstereo-Y-mini2.0---
13.
 
Canon 5D Mark IIYmonomonoY-mini2.0---
14.
 
Canon 1Ds Mark IIIYmono----2.0---
15.
 
Canon 1Ds Mark IIY-----2.0---
16.
 
Canon 1DY-----FW---
17.
 
Nikon D6YstereomonoYYmini3.1Y-Y

It is notable that the 1DX Mark III has a hotshoe, while the G7X Mark III 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 G7X Mark III) 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.

Both the 1DX Mark III and the G7X Mark III are recent models that are part of the current product line-up. The G7X Mark III replaced the earlier Canon G7X Mark II, while the 1DX Mark III followed on from the Canon 1DX Mark II. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.

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Review summary

So what conclusions can be drawn? Is the Canon 1D X Mark III better than the Canon G7 X Mark III or vice versa? The listing below highlights the relative strengths of the two models.


Arguments in favor of the Canon EOS-1D X Mark III:

  • Better image quality: Features a larger and more technologically advanced imaging sensor.
  • Richer colors: The sensor size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
  • Better jpgs: Has a more modern image processing engine (DIGIC X vs DIGIC 8).
  • Better video: Provides higher movie framerates (4K/60p versus 4K/30p).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • 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.
  • 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.
  • 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: Is somewhat more recent (announced 5 months after the G7X Mark III).


Advantages of the Canon PowerShot G7 X Mark III:

  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Faster burst: Shoots at higher frequency (30 vs 20 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • Ready to shoot: Comes with an integrated lens, while the 1DX Mark III requires a separate lens.
  • More compact: Is smaller (105x61mm 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.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been on the market for longer (launched in July 2019).

If the count of relative strengths (bullet points above) is taken as a measure, the 1DX Mark III is the clear winner of the match-up (22 : 12 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. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

1DX Mark III 22:12 G7X Mark III

How about other alternatives? Do the specifications of the Canon 1D X Mark III and the Canon G7 X Mark III 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 G7X Mark III. 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], 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.

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Expert Camera Reviews
     Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon 1D X Mark III..+ +..4.5/54/5 Jan 2020 6,499 i
2.
 
Canon G7 X Mark III..+ +81/1004/5.. Jul 2019 749 i
3.
 
Canon G5 X Mark II4/5+82/100..4/5 Jul 2019 899 i
4.
 
Canon SX740..+..4/54/5 Jul 2018 399 i
5.
 
Canon 1D X Mark II....89/1004.5/54.5/5 Feb 2016 5,999i
6.
 
Canon G7 X Mark II4.5/5+ +81/1004.5/54.5/5 Feb 2016 699i
7.
 
Canon G5 X5/5+ +78/1004.5/54.5/5 Oct 2015 799i
8.
 
Canon G7 X4/5+ +77/1004.5/54.5/5 Sep 2014 699i
9.
 
Canon 1D C.......... Apr 2012 14,999i
10.
 
Canon 5D Mark III..+ +82/1004.5/54.5/5 Mar 2012 3,499i
11.
 
Canon 1D X5/5....4.5/54.5/5 Oct 2011 6,799i
12.
 
Canon 1D Mark IV5/5..89/100.... Oct 2009 4,999i
13.
 
Canon 5D Mark II4/591/10079/1004/5.. Sep 2008 3,499i
14.
 
Canon 1Ds Mark III....+ +4.5/5.. Aug 2007 7,999i
15.
 
Canon 1Ds Mark II....+ +.... Sep 2004 7,999i
16.
 
Canon 1D....+ +.... Sep 2001 6,499i
17.
 
Nikon D6......4.5/54.5/5 Feb 2020 6,499 i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

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 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.

Canon 1D X Mark III:
Check Amazon price
Canon G7 X Mark III:
Check Amazon price

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.

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    Specifications: Canon 1D X Mark III vs Canon G7 X Mark III

    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 Specifications
    Camera Model Canon 1D X Mark III Canon G7 X Mark III
    Camera Type Digital single lens reflex Fixed lens compact camera
    Camera Lens Canon EF mount lenses 24-100mm f/1.8-2.8
    Launch Date January 2020 July 2019
    Launch Price USD 6,499 USD 749
    Sensor Specs Canon 1D X Mark III Canon G7 X Mark III
    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 4K/30p Video
    ISO Setting 100 - 102,400 ISO 125 - 12,800 ISO
    ISO Boost 50 - 819,200 ISO 125 - 25,600 ISO
    Image Processor DIGIC X DIGIC 8
    DXO Sensor Quality (score) 91 ..
    DXO Color Depth (bits) 24.2 ..
    DXO Dynamic Range (EV) 14.5 ..
    DXO Low Light (ISO) 3248 ..
    Screen Specs Canon 1D X Mark III Canon G7 X Mark III
    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 Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon 1D X Mark III Canon G7 X Mark III
    Focus System Phase-detect AF Contrast-detect AF
    Manual Focusing Aidno Peaking FeatureFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/2000s
    Continuous Shooting 20 shutter flaps/s 30 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/25600s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Fill Flash no On-Board Flash Build-in Flash
    Storage Medium CFexpress cards SDXC cards
    Second Storage Option Dual card slots Single card slot
    Connectivity Specs Canon 1D X Mark III Canon G7 X Mark III
    External Flash Hotshoe no Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 3.1 USB 3.1
    HDMI Port mini HDMI micro HDMI
    Microphone Port External MIC port External MIC port
    Headphone Socket Headphone port no Headphone port
    Wifi Support Wifi built-in Wifi 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 G7 X Mark III
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type LP-E19 NB-13L
    Battery Life (CIPA)2850 shots per charge235 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)
    105 x 61 x 41 mm
    (4.1 x 2.4 x 1.6 in)
    Camera Weight 1440 g (50.8 oz) 304 g (10.7 oz)

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