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Sony A9 vs Canon G1 X Mark III

The Sony Alpha A9 and the Canon PowerShot G1 X Mark III are two digital cameras that were revealed to the public, respectively, in April 2017 and October 2017. The A9 is a mirrorless interchangeable lens camera, while the G1X Mark III is a fixed lens compact. The cameras are based on a full frame (A9) and an APS-C (G1X Mark III) sensor. Both cameras offer a resolution of 24 megapixels.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Sony A9
versus
Canon G1 X Mark III
Sony A9   Canon G1 X Mark III
Mirrorless system camera Fixed lens compact camera
Sony E mount lenses 24-72mm f/2.8-5.6
24 MP – Full Frame sensor 24 MP – APS-C sensor
4K/30p Video 1080/60p Video
ISO 100-51,200 (50 - 204,800) ISO 100-25,600
Electronic viewfinder (3686k dots) Electronic viewfinder (2360k dots)
3.0" LCD – 1440k dots 3.0" LCD – 1040k dots
Tilting touchscreen Swivel touchscreen
20 shutter flaps per second 9 shutter flaps per second
In-body stabilizationLens-based stabilization
Weathersealed bodyWeathersealed body
650 shots per battery charge200 shots per battery charge
127 x 96 x 63 mm, 673 g 115 x 78 x 51 mm, 399 g
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Going beyond this snapshot of core features and characteristics, what are the differences between the Sony Alpha A9 and the Canon PowerShot G1 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.

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Body comparison

An illustration of the physical size and weight of the Sony A9 and the Canon G1 X Mark III 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.

Size Sony A9 vs Canon G1 X Mark III
Compare A9 versus G1X Mark III top
Comparison A9 or G1X 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 G1 X Mark III is notably smaller (26 percent) than the Sony A9. In this context, it is worth noting that both cameras are splash and dust-proof and can, hence, be used in inclement weather conditions or harsh environments.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G1X Mark III has a lens built in, whereas the A9 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 A9 and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the A9 gets 650 shots out of its Sony NP-FZ100 battery, while the G1X Mark III can take 200 images on a single charge of its Canon NB-13L power pack. The power pack in the A9 can be charged via the USB port, so that it is not always necessary to take the battery charger along when travelling.

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, you can use the CAM-parator app to select your camera combination among a large number of options.

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Body Specifications
# image Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499ebay.com
2.
 
Canon G1 X Mark III 115 mm 78 mm 51 mm 399 g 200 Y Oct 2017 1,299ebay.com
3.
 
Canon 80D 139 mm 105 mm 79 mm 730 g 960 Y Feb 2016 1,199ebay.com
4.
 
Fujifilm X100V 128 mm 75 mm 53 mm 478 g 420 Y Feb 2020 1,399ebay.com
5.
 
Fujifilm X100F 127 mm 75 mm 52 mm 469 g 390 n Jan 2017 1,299ebay.com
6.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999ebay.com
7.
 
Sony A7R V 131 mm 97 mm 82 mm 723 g 530 Y Oct 2022 3,899 amazon.com
8.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 3,199 amazon.com
9.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 amazon.com
10.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
11.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
12.
 
Sony A6300 120 mm 67 mm 49 mm 404 g 400 Y Feb 2016 999ebay.com
13.
 
Sony A6500 120 mm 67 mm 53 mm 453 g 350 Y Oct 2016 1,399ebay.com
14.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.com
15.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999ebay.com
16.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999ebay.com
17.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
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Any camera decision will naturally be influenced heavily by the price. The listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G1X Mark III was launched at a lower price than the A9, 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.

Sensor comparison

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 Sony A9 features a full frame sensor and the Canon G1 X Mark III an APS-C sensor. The sensor area in the G1X Mark III is 61 percent smaller. As a result of these sensor size differences, the cameras have a format factor of, respectively, 1.0 and 1.5. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Sony A9 and Canon G1 X Mark III sensor measures

Even though the A9 has a larger sensor, both cameras offer the same resolution of 24 megapixels. This implies that the A9 has a lower pixel density and larger individual pixels (with a pixel pitch of 5.94μm versus 3.72μm for the G1X Mark III), which gives it a potential advantage in terms of light gathering capacity. It should, however, be noted that the G1X Mark III is a somewhat more recent model (by 5 months) than the A9, and its sensor might have benefitted from technological advances during this time that at least partly compensate for the smaller pixel size.

The Sony Alpha A9 has a native sensitivity range from ISO 100 to ISO 51200, which can be extended to ISO 50-204800. The corresponding ISO settings for the Canon PowerShot G1 X Mark III are ISO 100 to ISO 25600 (no boost).

In terms of underlying technology, the A9 is build around a Stacked BSI-CMOS sensor, while the G1X Mark III uses a 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.

A9 versus G1X Mark III 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. The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

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Sensor Characteristics
# image Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
2.
 
Canon G1 X Mark III APS-C 24.0 6000 40001080/60p23.813.2164981
3.
 
Canon 80D APS-C 24.0 6000 40001080/60p23.613.2113579
4.
 
Fujifilm X100V APS-C 26.0 6240 41604K/30p24.213.6199684
5.
 
Fujifilm X100F APS-C 24.0 6000 40001080/60p23.913.2170481
6.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
7.
 
Sony A7R V Full Frame 60.2 9504 63368k/24p26.514.83187100
8.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
9.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
10.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
11.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
12.
 
Sony A6300 APS-C 24.0 6000 40004K/30p24.413.7143785
13.
 
Sony A6500 APS-C 24.0 6000 40004K/30p24.513.7140585
14.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
15.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
16.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
17.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589
Note: DXO values in italics represent estimates based on sensor size and age.
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Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration are equipped with sensors that have a sufficiently high read-out speed for moving images, but the A9 provides a higher video resolution than the G1X Mark III. It can shoot video footage at 4K/30p, while the Canon is limited to 1080/60p.

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Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. The two cameras under consideration are similar with respect to both having an electronic viewfinder. However, the one in the A9 offers a substantially higher resolution than the one in the G1X Mark III (3686k vs 2360k dots). The adjacent table lists some of the other core features of the Sony A9 and Canon G1 X Mark III along with similar information for a selection of comparators.

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Core Features
# image 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.
 
Sony A93686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
2.
 
Canon G1 X Mark III2360 n3.0 / 1040 swivel Y 1/2000s 9.0/s Y Y
3.
 
Canon 80Doptical Y3.0 / 1040 swivel Y 1/8000s 7.0/s Y n
4.
 
Fujifilm X100V3690 n3.0 / 1620 tilting Y 1/4000s 11.0/s n n
5.
 
Fujifilm X100F2360 n3.0 / 1040 fixed n 1/4000s 8.0/s Y n
6.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
7.
 
Sony A7R V9440 n3.2 / 2100 full-flex Y 1/8000s 10.0/s n Y
8.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
9.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
10.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
11.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
12.
 
Sony A63002359 n3.0 / 922 tilting n 1/4000s 11.0/s Y n
13.
 
Sony A65002359 n3.0 / 922 tilting Y 1/4000s 11.0/s Y Y
14.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
15.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
16.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
17.
 
Sony A992359 Y3.0 / 1229 full-flex n 1/8000s 6.0/s n Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.
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One difference between the cameras concerns the presence of an on-board flash. The G1X Mark III has one, while the A9 does not. While the built-in flash of the G1X Mark III is not very powerful, it can at times be useful as a fill-in light.

The G1X 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 A9 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 A9 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 G1 X Mark III has 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 A9 writes its imaging data to SDXC or Memory Stick PRO Duo cards, while the G1X Mark III uses SDXC cards. The A9 features dual card slots, which can be very useful in case a memory card fails. In contrast, the G1X Mark III only has one slot. The A9 supports UHS-II cards (on its first slot), while the G1X Mark III can use UHS-I cards.

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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 Sony Alpha A9 and Canon PowerShot G1 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
# image Camera
Model
Hotshoe
Port
Internal
Mic / Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
1.
 
Sony A9Ystereo / monoYYmicro2.0YYY
2.
 
Canon G1 X Mark IIIYstereo / mono--micro2.0YYY
3.
 
Canon 80DYstereo / monoYYmini2.0YY-
4.
 
Fujifilm X100VYstereo / monoY-micro3.1Y-Y
5.
 
Fujifilm X100FYstereo / monoY-micro2.0Y--
6.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
7.
 
Sony A7R VYstereo / monoYYfull3.2Y-Y
8.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
9.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
10.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
11.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
12.
 
Sony A6300Ystereo / monoY-micro2.0YY-
13.
 
Sony A6500Ystereo / monoY-micro2.0YY-
14.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
15.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
16.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
17.
 
Sony A99Ystereo / monoYYmini2.0---
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It is notable that the A9 has a microphone port, which is missing on the G1X Mark III. Such an external microphone input can help to substantially improve the quality of audio recordings when a good external microphone is used.

Studio photographers will appreciate that the Sony A9 (unlike the G1X Mark III) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the A9 and the G1X Mark III have been discontinued, but can regularly be found used on ebay. The A9 was replaced by the Sony A9 II, while the G1X Mark III does not have a direct successor. Further information on the features and operation of the A9 and G1X Mark III can be found, respectively, in the Sony A9 Manual (free pdf) or the online Canon G1 X Mark III Manual.

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Review summary

So what is the bottom line? Is the Sony A9 better than the Canon G1 X Mark III or vice versa? A synthesis of the relative strong points of each of the models is listed below.

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Arguments in favor of the Sony Alpha A9:

  • Better image quality: Features bigger pixels on a larger sensor for higher quality imaging.
  • Richer colors: The pixel size advantage translates into images with better, more accurate colors.
  • More dynamic range: Larger pixels capture a wider spectrum of light and dark details.
  • Better low-light sensitivity: Larger pixels means good image quality even under poor lighting.
  • Better video: Provides higher definition movie capture (4K/30p vs 1080/60p).
  • 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.
  • More detailed viewfinder: Has higher resolution electronic viewfinder (3686k vs 2360k dots).
  • More detailed LCD: Has a higher resolution rear screen (1440k 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 9 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More flexible: Accepts interchangeable lenses, so that lens characteristics can be altered.
  • Longer lasting: Can take more shots (650 versus 200) on a single battery charge.
  • Easier travel charging: Can be conveniently charged via its USB port.
  • 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.
  • Faster buffer clearing: Supports a more advanced SD data transfer standard (UHS-II vs UHS-I).
  • More heavily discounted: Has been on the market for longer (launched in April 2017).

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Advantages of the Canon PowerShot G1 X Mark III:

  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Has an integrated lens, whereas the A9 necessitates an extra lens.
  • More compact: Is smaller (115x78mm vs 127x96mm) and will fit more readily into a bag.
  • Less heavy: Has a lower weight even though it has a lens built in (unlike the A9).
  • 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 modern: Was introduced somewhat (5 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the A9 is the clear winner of the match-up (19 : 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 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.

A9 19:09 G1X Mark III

How about other alternatives? Do the specifications of the Sony A9 and the Canon G1 X Mark III place the cameras among the top in their class? Find out in the latest Best Mirrorless Interchangeable Lens 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 the spec-sheets of cameras can offer a general idea of their imaging potential, it remains incomplete and does no justice, for example, to the way the A9 or the G1X Mark III perform in practice. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why hands-on reviews by experts are important. The adjacent summary-table relays the overall verdicts of several of the most popular 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.

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Expert Camera Reviews
# image  Camera 
 Model 
 AP 
 score 
 CL 
 score 
 DCW 
 score 
 DPR 
 score 
 EPZ 
 score 
 PB 
 score 
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Sony A95/5+ +4.8/589/1005/55/5 Apr 2017 4,499ebay.com
2.
 
Canon G1 X Mark III5/5+4/579/1004.5/54.5/5 Oct 2017 1,299ebay.com
3.
 
Canon 80D4/5+ +4.5/584/1004.5/54.5/5 Feb 2016 1,199ebay.com
4.
 
Fujifilm X100V5/5+ +4.5/586/1005/54.5/5 Feb 2020 1,399ebay.com
5.
 
Fujifilm X100F5/5+3.9/583/1004.5/54.5/5 Jan 2017 1,299ebay.com
6.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 1,999ebay.com
7.
 
Sony A7R V5/5+ +4.5/592/100.... Oct 2022 3,899 amazon.com
8.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 3,199 amazon.com
9.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 4,499 amazon.com
10.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
11.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
12.
 
Sony A63004.5/5+..85/1005/55/5 Feb 2016 999ebay.com
13.
 
Sony A65005/5+ +3.5/585/1004.5/54.5/5 Oct 2016 1,399ebay.com
14.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
15.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 2,999ebay.com
16.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999ebay.com
17.
 
Sony A995/5....84/1004.5/54.5/5 Sep 2012 2,799ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.
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Care should be taken when interpreting the review scores above, though. The assessments were made in relation to similar cameras of the same technological generation. 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.

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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 your choice using the following search menu. Alternatively, you can follow any of the listed hyperlinks for comparisons that others found interesting.

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    Specifications: Sony A9 vs Canon G1 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 Sony A9 Canon G1 X Mark III
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Sony E mount lenses 24-72mm f/2.8-5.6
    Launch Date April 2017 October 2017
    Launch Price USD 4,499 USD 1,299
    Sensor Specs Sony A9 Canon G1 X Mark III
    Sensor Technology Stacked BSI-CMOS CMOS
    Sensor Format Full Frame Sensor APS-C Sensor
    Sensor Size 35.6 x 23.8 mm 22.3 x 14.9 mm
    Sensor Area 847.28 mm2 332.27 mm2
    Sensor Diagonal 42.8 mm 26.8 mm
    Crop Factor 1.0x 1.5x
    Sensor Resolution 24 Megapixels 24 Megapixels
    Image Resolution 6000 x 4000 pixels 6000 x 4000 pixels
    Pixel Pitch 5.94 μm 3.72 μm
    Pixel Density 2.83 MP/cm2 7.22 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/60p Video
    ISO Setting 100 - 51,200 ISO 100 - 25,600 ISO
    ISO Boost 50 - 204,800 ISO no Enhancement
    Image Processor BIONZ X DIGIC 7
    DXO Sensor Quality (score) 92 ..
    DXO Color Depth (bits) 24.9 ..
    DXO Dynamic Range (EV) 13.3 ..
    DXO Low Light (ISO) 3517 ..
    Screen Specs Sony A9 Canon G1 X Mark III
    Viewfinder Type Electronic viewfinder Electronic viewfinder
    Viewfinder Field of View 100% 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 3686k dots 2360k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1440k dots 1040k dots
    LCD Attachment Tilting screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Sony A9 Canon G1 X Mark III
    Focus System On-Sensor Phase-detect On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/2000s
    Continuous Shooting 20 shutter flaps/s 9 shutter flaps/s
    Electronic Shutterup to 1/32000sno E-Shutter
    Time-Lapse Photographyno IntervalometerIntervalometer built-in
    Image StabilizationIn-body stabilizationLens-based stabilization
    Fill Flash no On-Board Flash Built-in Flash
    Storage Medium MS or SDXC cards SDXC cards
    Single or Dual Card Slots Dual card slots Single card slot
    UHS card support Single UHS-II UHS-I
    Connectivity Specs Sony A9 Canon G1 X Mark III
    External Flash Hotshoe Hotshoe
    Studio Flash PC Sync socket no PC Sync
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro 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 NFC built-in NFC built-in
    Bluetooth Support Bluetooth built-in Bluetooth built-in
    Body Specs Sony A9 Canon G1 X Mark III
    Environmental SealingWeathersealed bodyWeathersealed body
    Battery Type Sony NP-FZ100 Canon NB-13L
    Battery Life (CIPA)650 shots per charge200 shots per charge
    In-Camera Charging USB charging no USB charging
    Body Dimensions 127 x 96 x 63 mm
    (5.0 x 3.8 x 2.5 in)
    115 x 78 x 51 mm
    (4.5 x 3.1 x 2.0 in)
    Camera Weight 673 g (23.7 oz) 399 g (14.1 oz)
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    Check A9 offers at
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    Check G1X Mark III offers at
    ebay.com

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