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Sony A9 vs Canon G9 X

The Sony Alpha A9 and the Canon PowerShot G9 X are two digital cameras that were revealed to the public, respectively, in April 2017 and October 2015. The A9 is a mirrorless interchangeable lens camera, while the G9X is a fixed lens compact. The cameras are based on a full frame (A9) and an one-inch (G9X) sensor. The Sony has a resolution of 24 megapixels, whereas the Canon provides 20 MP.

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 G9 X
Sony A9   Canon G9 X
Mirrorless system camera Fixed lens compact camera
Sony E mount lenses 28-84mm f/2.0-4.9
24 MP – Full Frame sensor 20 MP – 1" sensor
4K/30p Video 1080/60p Video
ISO 100-51,200 (50 - 204,800) ISO 125-12,800
Electronic viewfinder (3686k dots) No viewfinder, LCD framing
3.0" LCD – 1440k dots 3.0" LCD – 1040k dots
Tilting touchscreen Fixed touchscreen
20 shutter flaps per second 6 shutter flaps per second
In-body stabilizationLens-based stabilization
Weathersealed bodynot weather sealed
650 shots per battery charge220 shots per battery charge
127 x 96 x 63 mm, 673 g 98 x 58 x 31 mm, 209 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 G9 X? 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

The side-by-side display below illustrates the physical size and weight of the Sony A9 and the Canon G9 X. 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 can be obtained in two different colors (black, silver), while the A9 is only available in black.

Size Sony A9 vs Canon G9 X
Compare A9 versus G9X top
Comparison A9 or G9X rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon G9 X is considerably smaller (53 percent) than the Sony A9. It is worth mentioning in this context that the A9 is splash and dust resistant, while the G9X does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G9X 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 G9X can take 220 images on a single charge of its Canon NB-13L power pack. The battery packs of both cameras can be charged via USB, 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
  empty 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 G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 529ebay.com
3.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799ebay.com
4.
 
Canon G9 X Mark II 98 mm 58 mm 31 mm 206 g 235 n Jan 2017 529ebay.com
5.
 
Canon M10 108 mm 67 mm 35 mm 301 g 255 n Oct 2015 499ebay.com
6.
 
Nikon 1 J4 100 mm 60 mm 29 mm 232 g 300 n Apr 2014 549ebay.com
7.
 
Nikon Z6 134 mm 101 mm 67 mm 675 g 310 Y Aug 2018 1,999ebay.com
8.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999ebay.com
9.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 amazon.com
10.
 
Sony A7R II 127 mm 96 mm 60 mm 625 g 290 Y Jun 2015 3,199ebay.com
11.
 
Sony A7R III 127 mm 96 mm 74 mm 650 g 650 Y Oct 2017 3,199ebay.com
12.
 
Sony A7R IIIA 127 mm 96 mm 74 mm 650 g 650 Y Apr 2021 3,199 amazon.com
13.
 
Sony A7R V 131 mm 97 mm 82 mm 723 g 530 Y Oct 2022 3,899 amazon.com
14.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999ebay.com
15.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 amazon.com
16.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799ebay.com
17.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999ebay.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 listed launch prices provide an indication of the market segment that the manufacturer of the cameras have been targeting. The G9X was launched at a lower price than the A9, 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. 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 sensor inside a digital camera is one of the key determinants of image quality. A large sensor will generally have larger individual pixels that offer better low-light sensitivity, provide wider dynamic range, and have richer color-depth than smaller pixels 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 more expensive and lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Sony A9 features a full frame sensor and the Canon G9 X an one-inch sensor. The sensor area in the G9X is 86 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.

Sony A9 and Canon G9 X sensor measures

With 24MP, the A9 offers a higher resolution than the G9X (20MP), but the A9 nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 2.41μm for the G9X) due to its larger sensor. Moreover, the A9 is a somewhat more recent model (by 1 year and 6 months) than the G9X, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixels.

The resolution advantage of the Sony A9 implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A9 for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Canon G9 X are 27.4 x 18.2 inches or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inches or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inches or 46.3 x 30.9 cm for excellent quality prints.

The A9 has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

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 G9 X are ISO 125 to ISO 12800 (no boost).

In terms of underlying technology, the A9 is build around a Stacked BSI-CMOS sensor, while the G9X 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.

A9 versus G9X MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service is based on lab testing and assigns an overall score to each camera sensor, as well as ratings for dynamic range ("DXO Landscape"), color depth ("DXO Portrait"), and low-light sensitivity ("DXO Sports"). Of the two cameras under review, the A9 provides substantially higher image quality than the G9X, with an overall score that is 29 points higher. This advantage is based on 3.4 bits higher color depth, 1 EV in additional dynamic range, and 2.8 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.

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Sensor Characteristics
  empty 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 G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
3.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p21.412.347162
4.
 
Canon G9 X Mark II 1-inch 20.0 5472 36481080/60p21.912.552265
5.
 
Canon M10 APS-C 17.9 5184 34561080/30p22.211.475365
6.
 
Nikon 1 J4 1-inch 18.2 5232 34881080/60p20.810.742653
7.
 
Nikon Z6 Full Frame 24.3 6048 40244K/30p25.314.3329995
8.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
9.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
10.
 
Sony A7R II Full Frame 42.2 7952 53044K/30p26.013.9343498
11.
 
Sony A7R III Full Frame 42.2 7952 53044K/30p26.014.73523100
12.
 
Sony A7R IIIA Full Frame 42.2 7952 53044K/30p26.014.73523100
13.
 
Sony A7R V Full Frame 60.2 9504 63368k/24p26.514.83187100
14.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
15.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
16.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589
17.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170

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 A9 provides a higher video resolution than the G9X. It can shoot video footage at 4K/30p, while the Canon is limited to 1080/60p.

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Feature comparison

Apart from body and sensor, cameras can and do differ across a range of features. For example, the A9 has an electronic viewfinder (3686k dots), which can be very helpful when shooting in bright sunlight. In contrast, the G9X relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Sony A9, the Canon G9 X, and comparable cameras.

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Core Features
  empty 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 G9 Xnone n3.0 / 1040 fixed Y 1/2000s 6.0/s Y Y
3.
 
Canon G5 X2360 n3.0 / 1040 swivel Y 1/2000s 5.9/s Y Y
4.
 
Canon G9 X Mark IInone n3.0 / 1040 fixed Y 1/2000s 8.2/s Y Y
5.
 
Canon M10none n3.0 / 1040 tilting Y 1/4000s 4.6/s Y n
6.
 
Nikon 1 J4none n3.0 / 1037 Fixed Y 1/4000s 60.0/s Y n
7.
 
Nikon Z63690 Y3.2 / 2100 tilting Y 1/8000s 12.0/s n Y
8.
 
Sony A7 II2400 n3.0 / 1230 tilting n 1/8000s 5.0/s n Y
9.
 
Sony A7 III2359 n3.0 / 922 tilting Y 1/8000s 10.0/s n Y
10.
 
Sony A7R II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
11.
 
Sony A7R III3686 n3.0 / 1440 tilting Y 1/8000s 10.0/s n Y
12.
 
Sony A7R IIIA3686 n3.0 / 2340 tilting Y 1/8000s 10.0/s n Y
13.
 
Sony A7R V9440 n3.2 / 2100 full-flex Y 1/8000s 10.0/s n Y
14.
 
Sony A7S II2400 n3.0 / 1229 tilting n 1/8000s 5.0/s n Y
15.
 
Sony A9 II3686 n3.0 / 1440 tilting Y 1/8000s 20.0/s n Y
16.
 
Sony A992359 Y3.0 / 1229 full-flex n 1/8000s 6.0/s n Y
17.
 
Sony RX100 IV2359 n3.0 / 1228 tilting n 1/2000s 16.0/s Y Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One difference between the cameras concerns the presence of an on-board flash. The G9X has one, while the A9 does not. While the built-in flash of the G9X is not very powerful, it can at times be useful as a fill-in light.

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 G9 X 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 G9X uses SDXC cards. The A9 features dual card slots, which can be very useful in case a memory card fails. In contrast, the G9X only has one slot. The A9 supports UHS-II cards (on its first slot), while the G9X 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 G9 X and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  empty 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 G9 X-stereo / mono--micro2.0YY-
3.
 
Canon G5 XYstereo / mono--mini2.0YY-
4.
 
Canon G9 X Mark II-stereo / mono--micro2.0YYY
5.
 
Canon M10-stereo / mono--mini2.0YY-
6.
 
Nikon 1 J4-stereo / mono--mini2.0Y--
7.
 
Nikon Z6Ystereo / monoYYmicro3.1Y-Y
8.
 
Sony A7 IIYstereo / monoYYmicro2.0YY-
9.
 
Sony A7 IIIYstereo / monoYYmicro3.1YYY
10.
 
Sony A7R IIYstereo / monoYYmicro2.0YY-
11.
 
Sony A7R IIIYstereo / monoYYmicro3.1YYY
12.
 
Sony A7R IIIAYstereo / monoYYmicro3.2YYY
13.
 
Sony A7R VYstereo / monoYYfull3.2Y-Y
14.
 
Sony A7S IIYstereo / monoYYmicro2.0YY-
15.
 
Sony A9 IIYstereo / monoYYmicro3.1YYY
16.
 
Sony A99Ystereo / monoYYmini2.0---
17.
 
Sony RX100 IV-stereo / mono--micro2.0YY-

It is notable that the A9 has a hotshoe, while the G9X does not. This socket makes it possible to easily attach optional accessories, such as an external flash gun.

Studio photographers will appreciate that the Sony A9 (unlike the G9X) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

Both the A9 and the G9X have been discontinued, but can regularly be found used on ebay. The G9X was replaced by the Canon G9 X Mark II, while the A9 was followed by the Sony A9 II. Further information on the features and operation of the A9 and G9X can be found, respectively, in the Sony A9 Manual (free pdf) or the online Canon G9 X Manual.

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Review summary

So what conclusions can be drawn? Is there a clear favorite between the Sony A9 and the Canon G9 X? Which camera is better? The listing below highlights the relative strengths of the two models.

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Arguments in favor of the Sony Alpha A9:

  • More detail: Offers more megapixels (24 vs 20MP) with a 10% higher linear resolution.
  • Better image quality: Scores substantially higher (29 points) in the DXO overall assessment.
  • Richer colors: Generates images with noticeably better colors (3.4 bits more color depth).
  • More dynamic range: Captures a larger spectrum of light and dark details (1 EV of extra DR).
  • Better low-light sensitivity: Requires less light for good images (2.8 stops ISO advantage).
  • Better video: Provides higher definition movie capture (4K/30p 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 electronic viewfinder for image composition and settings control.
  • More detailed LCD: Has a higher resolution rear screen (1440k vs 1040k dots).
  • More flexible LCD: Has a tilting screen for odd-angle shots in landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • Faster burst: Shoots at higher frequency (20 vs 6 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 220) 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 wireless transfer: Supports Bluetooth for image sharing without cables.
  • 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 modern: Is somewhat more recent (announced 1 year and 6 months after the G9X).

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Reasons to prefer the Canon PowerShot G9 X:

  • 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 (98x58mm 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 heavily discounted: Has been on the market for longer (launched in October 2015).

If the count of relative strengths (bullet points above) is taken as a measure, the A9 is the clear winner of the match-up (24 : 7 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 wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

A9 24:07 G9X

How about other alternatives? Do the specifications of the Sony A9 and the Canon G9 X 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 specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the A9 and the G9X in practical situations. 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 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
  empty  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 G9 X3.5/5+ +....4.5/54.5/5 Oct 2015 529ebay.com
3.
 
Canon G5 X5/5+ +..78/1004.5/54.5/5 Oct 2015 799ebay.com
4.
 
Canon G9 X Mark II4/5..4/575/1004.5/54.5/5 Jan 2017 529ebay.com
5.
 
Canon M10..........4/5 Oct 2015 499ebay.com
6.
 
Nikon 1 J43/5......4.5/54/5 Apr 2014 549ebay.com
7.
 
Nikon Z65/5..5/589/1004.5/55/5 Aug 2018 1,999ebay.com
8.
 
Sony A7 II5/5+4/582/1004.5/55/5 Nov 2014 1,999ebay.com
9.
 
Sony A7 III..+ +4.5/589/1005/55/5 Feb 2018 1,999 amazon.com
10.
 
Sony A7R II5/5+ +5/590/1005/55/5 Jun 2015 3,199ebay.com
11.
 
Sony A7R III..+ +4/590/1004.5/55/5 Oct 2017 3,199ebay.com
12.
 
Sony A7R IIIA..+ +4/590/1004.5/55/5 Apr 2021 3,199 amazon.com
13.
 
Sony A7R V5/5+ +4.5/592/100.... Oct 2022 3,899 amazon.com
14.
 
Sony A7S II5/5+....4.5/55/5 Sep 2015 2,999ebay.com
15.
 
Sony A9 II....5/590/1005/55/5 Oct 2019 4,499 amazon.com
16.
 
Sony A995/5....84/1004.5/54.5/5 Sep 2012 2,799ebay.com
17.
 
Sony RX100 IV4.5/5+ +..85/1004/54.5/5 Jun 2015 999ebay.com
Note: (+ +) 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.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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    Specifications: Sony A9 vs Canon G9 X

    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 G9 X
    Camera Type Mirrorless system camera Fixed lens compact camera
    Camera Lens Sony E mount lenses 28-84mm f/2.0-4.9
    Launch Date April 2017 October 2015
    Launch Price USD 4,499 USD 529
    Sensor Specs Sony A9 Canon G9 X
    Sensor Technology Stacked BSI-CMOS BSI-CMOS
    Sensor Format Full Frame Sensor 1" Sensor
    Sensor Size 35.6 x 23.8 mm 13.2 x 8.8 mm
    Sensor Area 847.28 mm2 116.16 mm2
    Sensor Diagonal 42.8 mm 15.9 mm
    Crop Factor 1.0x 2.7x
    Sensor Resolution 24 Megapixels 20 Megapixels
    Image Resolution 6000 x 4000 pixels 5472 x 3648 pixels
    Pixel Pitch 5.94 μm 2.41 μm
    Pixel Density 2.83 MP/cm2 17.18 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 4K/30p Video 1080/60p Video
    ISO Setting 100 - 51,200 ISO 125 - 12,800 ISO
    ISO Boost 50 - 204,800 ISO no Enhancement
    Image Processor BIONZ X DIGIC 6
    DXO Sensor Quality (score) 92 63
    DXO Color Depth (bits) 24.9 21.5
    DXO Dynamic Range (EV) 13.3 12.3
    DXO Low Light (ISO) 3517 495
    Screen Specs Sony A9 Canon G9 X
    Viewfinder Type Electronic viewfinder no viewfinder
    Viewfinder Field of View 100%
    Viewfinder Magnification 0.78x
    Viewfinder Resolution 3686k dots
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1440k dots 1040k dots
    LCD Attachment Tilting screen Fixed screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Sony A9 Canon G9 X
    Focus System On-Sensor Phase-detect Contrast-detect AF
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/8000s 1/2000s
    Continuous Shooting 20 shutter flaps/s 6 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 G9 X
    External Flash Hotshoe no 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 no Bluetooth
    Body Specs Sony A9 Canon G9 X
    Environmental SealingWeathersealed bodynot weather sealed
    Battery Type Sony NP-FZ100 Canon NB-13L
    Battery Life (CIPA)650 shots per charge220 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 127 x 96 x 63 mm
    (5.0 x 3.8 x 2.5 in)
    98 x 58 x 31 mm
    (3.9 x 2.3 x 1.2 in)
    Camera Weight 673 g (23.7 oz) 209 g (7.4 oz)
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    Check A9 offers at
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    Check G9X offers at
    ebay.com

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