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Canon G7 X Mark II vs Sony A9 II

The Canon PowerShot G7 X Mark II and the Sony Alpha A9 II are two digital cameras that were officially introduced, respectively, in February 2016 and October 2019. The G7X Mark II is a fixed lens compact, while the A9 II is a mirrorless interchangeable lens camera. The cameras are based on an one-inch (G7X Mark II) and a full frame (A9 II) sensor. The Canon has a resolution of 20 megapixels, whereas the Sony provides 24 MP.

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

Headline Specifications
Canon G7 X Mark II versus Sony A9 II
Canon G7 X Mark II Sony A9 II
Fixed lens compact camera Mirrorless system camera
24-100mm f/1.8-2.8 Sony E mount lenses
20 MP, 1" Sensor 24 MP, Full Frame Sensor
1080/60p Video 4K/30p Video
ISO 125-12,800 (125 - 25,600) ISO 100-51,200 (50 - 204,800)
No viewfinder, LCD framing Electronic viewfinder (3686k dots)
3.0 LCD, 1040k dots 3.0 LCD, 1440k dots
Tilting touchscreen Tilting touchscreen
8 shutter flaps per second 10 shutter flaps per second
Lens-based stabilizationIn-body stabilization
not weather sealedWeathersealed body
265 shots per battery charge690 shots per battery charge
106 x 61 x 42 mm, 319 g 129 x 96 x 76 mm, 678 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G7 X Mark II and the Sony Alpha A9 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 G7 X Mark II and the Sony A9 II. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth dimensions are rounded to the nearest millimeter.

Size Canon G7 X Mark II vs Sony A9 II
Compare G7X Mark II versus A9 II top
Comparison G7X Mark II or A9 II rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Sony A9 II is considerably larger (92 percent) than the Canon G7 X Mark II. It is noteworthy in this context that the A9 II is splash and dust-proof, while the G7X 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 G7X Mark II has a lens built in, whereas the A9 II 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 II and their specifications in the Sony FE Lens Catalog.

Concerning battery life, the G7X Mark II gets 265 shots out of its NB-13L battery, while the A9 II can take 690 images on a single charge of its NP-FZ100 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. 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
    Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life
Weather
Sealing
Camera
Launch
Launch
Price (USD)
Street
Price
1.
 
Canon G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 699i
2.
 
Sony A9 II 129 mm 96 mm 76 mm 678 g 690 Y Oct 2019 4,499 i
3.
 
Canon G7 X Mark III 105 mm 61 mm 41 mm 304 g 235 n Jul 2019 749 i
4.
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799i
5.
 
Canon G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 529i
6.
 
Canon M3 111 mm 68 mm 44 mm 366 g 250 n Feb 2015 679i
7.
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699i
8.
 
Panasonic LX10 106 mm 60 mm 42 mm 310 g 260 n Sep 2016 699 i
9.
 
Sony A7 III 127 mm 96 mm 74 mm 650 g 610 Y Feb 2018 1,999 i
10.
 
Sony A9 127 mm 96 mm 63 mm 673 g 650 Y Apr 2017 4,499i
11.
 
Sony RX100 V 102 mm 58 mm 41 mm 299 g 220 n Oct 2016 999 i
12.
 
Sony A7S II 127 mm 96 mm 60 mm 627 g 370 Y Sep 2015 2,999i
13.
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999i
14.
 
Sony A7 II 127 mm 96 mm 60 mm 599 g 350 Y Nov 2014 1,999i
15.
 
Sony RX100 III 102 mm 58 mm 41 mm 290 g 320 n May 2014 799i
16.
 
Sony RX100 II 102 mm 58 mm 38 mm 281 g 350 n Jun 2013 749i
17.
 
Sony A99 147 mm 111 mm 78 mm 812 g 500 Y Sep 2012 2,799i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.

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 G7X Mark II was launched at a lower price than the A9 II, 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 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 are more costly to manufacture and tend to lead to bigger and heavier cameras and lenses.

Of the two cameras under consideration, the Canon G7 X Mark II features an one-inch sensor and the Sony A9 II a full frame sensor. The sensor area in the A9 II is 630 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 1.0. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Technology-wise, both cameras are equipped with BSI-CMOS (Backside Illuminated Complementary Metal–Oxide–Semiconductor) sensors.

Canon G7 X Mark II and Sony A9 II sensor measures

With 24MP, the A9 II offers a higher resolution than the G7X Mark II (20MP), but the A9 II nevertheless has larger individual pixels (pixel pitch of 5.94μm versus 2.41μm for the G7X Mark II) due to its larger sensor. Moreover, the A9 II is a much more recent model (by 3 years and 7 months) than the G7X Mark II, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Sony A9 II implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the A9 II 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 G7 X Mark II 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 II has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon PowerShot G7 X Mark II has a native sensitivity range from ISO 125 to ISO 12800, which can be extended to ISO 125-25600. The corresponding ISO settings for the Sony Alpha A9 II are ISO 100 to ISO 51200, with the possibility to increase the ISO range to 50-204800.

G7X Mark II versus A9 II MP

Consistent information on actual sensor performance is available from DXO Mark for many cameras. 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"). 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
    Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
1.
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p........
2.
 
Sony A9 II Full Frame 24.0 6000 40004K/30p25.014.0343493
3.
 
Canon G7 X Mark III 1-inch 20.0 5472 36484K/30p........
4.
 
Canon G5 X 1-inch 20.0 5472 36481080/60p........
5.
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
6.
 
Canon M3 APS-C 24.0 6000 40001080/30p22.811.8116972
7.
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
8.
 
Panasonic LX10 1-inch 20.0 5472 36484K/30p........
9.
 
Sony A7 III Full Frame 24.0 6000 40004K/30p25.014.7373096
10.
 
Sony A9 Full Frame 24.0 6000 40004K/30p24.913.3351792
11.
 
Sony RX100 V 1-inch 20.0 5472 36484K/30p22.812.458670
12.
 
Sony A7S II Full Frame 12.0 4240 28324K/30p23.613.3299385
13.
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
14.
 
Sony A7 II Full Frame 24.0 6000 40001080/60p24.913.6244990
15.
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
16.
 
Sony RX100 II 1-inch 20.0 5472 36481080/60p22.512.448367
17.
 
Sony A99 Full Frame 24.0 6000 40001080/60p25.014.0155589

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the A9 II provides a better video resolution than the G7X Mark II. It can shoot movie 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 II has an electronic viewfinder (3686k dots), which can be very helpful when shooting in bright sunlight. In contrast, the G7X Mark II relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Canon G7 X Mark II, the Sony A9 II, and comparable cameras.

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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 G7 X Mark IInone n 3.0 1040 tilting Y 1/2000s 8.0 Y Y
2.
 
Sony A9 II3686 n 3.0 1440 tilting Y 1/8000s 10.0 n Y
3.
 
Canon G7 X Mark IIInone n 3.0 1040 tilting Y 1/2000s 30 Y Y
4.
 
Canon G5 X2360 n 3.0 1040 swivel Y 1/2000s 5.9 Y Y
5.
 
Canon G9 Xnone n 3.0 1040 fixed Y 1/2000s 6.0 Y Y
6.
 
Canon M3optional n 3.0 1040 tilting Y 1/4000s 4.2 Y n
7.
 
Canon G7 Xnone n 3.0 1040 tilting Y 1/2000s 6.5 Y Y
8.
 
Panasonic LX10none n 3.0 1040 tilting Y 1/4000s 10.0 Y Y
9.
 
Sony A7 III2359 n 3.0 922 tilting Y 1/8000s 10.0 n Y
10.
 
Sony A93686 n 3.0 1440 tilting Y 1/8000s 20.0 n Y
11.
 
Sony RX100 V2359 n 3.0 1229 tilting n 1/2000s 24.0 Y Y
12.
 
Sony A7S II2400 n 3.0 1229 tilting n 1/8000s 5.0 n Y
13.
 
Sony RX100 IV2359 n 3.0 1228 tilting n 1/2000s 16.0 Y Y
14.
 
Sony A7 II2400 n 3.0 1230 tilting n 1/8000s 5.0 n Y
15.
 
Sony RX100 III1440 n 3.0 1229 tilting n 1/2000s 10.0 Y Y
16.
 
Sony RX100 IIoptional n 3.0 1229 tilting n 1/2000s 10.0 Y Y
17.
 
Sony A992359 Y 3.0 1229 full-flex n 1/8000s 6.0 n Y

One difference between the cameras concerns the presence of an on-board flash. The G7X Mark II has one, while the A9 II does not. While the built-in flash of the G7X Mark II is not very powerful, it can at times be useful as a fill-in light.

The G7X Mark II has an articulated LCD that can be turned to be front-facing. This characteristic will be appreciated by vloggers and photographers who are interested in snapping selfies. In contrast, the A9 II 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 II 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 G7 X Mark II and the Sony A9 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.

Concerning the storage of imaging data, both the G7X Mark II and the A9 II write their files to SDXC cards. The A9 II features dual card slots, which can be very useful in case a memory card fails. In contrast, the G7X Mark II only has one slot. The A9 II supports UHS-II cards (on both slots), while the G7X Mark II 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 Canon PowerShot G7 X Mark II and Sony Alpha A9 II 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 G7 X Mark II-stereomono--micro2.0YY-
2.
 
Sony A9 IIYstereomonoYYmicro3.1YYY
3.
 
Canon G7 X Mark III-stereomonoY-micro3.1Y-Y
4.
 
Canon G5 XYstereomono--mini2.0YY-
5.
 
Canon G9 X-stereomono--micro2.0YY-
6.
 
Canon M3YstereomonoY-mini2.0YY-
7.
 
Canon G7 X-stereomono--micro2.0YY-
8.
 
Panasonic LX10-stereomono--micro2.0Y--
9.
 
Sony A7 IIIYstereomonoYYmicro3.1YYY
10.
 
Sony A9YstereomonoYYmicro2.0YYY
11.
 
Sony RX100 V-stereomono--micro2.0YY-
12.
 
Sony A7S IIYstereomonoYYmicro2.0YY-
13.
 
Sony RX100 IV-stereomono--micro2.0YY-
14.
 
Sony A7 IIYstereomonoYYmicro2.0YY-
15.
 
Sony RX100 III-stereomono--micro2.0YY-
16.
 
Sony RX100 IIYstereomono--micro2.0YY-
17.
 
Sony A99YstereomonoYYmini2.0---

It is notable that the A9 II has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The G7X Mark II does not feature such a mic input.

Studio photographers will appreciate that the Sony A9 II (unlike the G7X Mark II) features a PC Sync socket, so that professional strobe lights can be controlled by the camera.

The A9 II is a recent model that features in the current product line-up of Sony. In contrast, the G7X Mark II has been discontinued (but can be found pre-owned on eBay). As a replacement in the same line of cameras, the G7X Mark II was succeeded by the Canon G7 X Mark III. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon and Sony websites.

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Review summary

So what conclusions can be drawn? Which of the two cameras – the Canon G7 X Mark II or the Sony A9 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.

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Reasons to prefer the Canon PowerShot G7 X Mark II:

  • More selfie-friendly: Has an articulated screen that can be turned to be front-facing.
  • Ready to shoot: Has a lens built-in, whereas the A9 II requires a separate lens.
  • More compact: Is smaller (106x61mm vs 129x96mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the A9 II).
  • Easier fill-in: Is equipped with a small onboard flash to brighten deep shadow areas.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been available for much longer (launched in February 2016).

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Arguments in favor of the Sony Alpha A9 II:

  • More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
  • Better image quality: Is equipped with a larger and more technologically advanced 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 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).
  • Faster shutter: Has higher mechanical shutter speed (1/8000s vs 1/2000s) to freeze action.
  • Faster burst: Shoots at higher frequency (10 vs 8 flaps/sec) to capture the decisive moment.
  • Less disturbing: Has an electronic shutter option for completely silent shooting.
  • More flexible: Takes interchangeable lenses and can thus be used with specialty optics.
  • Longer lasting: Gets more shots (690 versus 265) out of a single battery charge.
  • Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • Faster data transfer: Supports a more advanced USB protocol (3.1 vs 2.0).
  • 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: Reflects 3 years and 7 months of technical progress since the G7X Mark II launch.

If the number of relative strengths (bullet points above) is taken as a guide, the A9 II is the clear winner of the contest (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 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.

G7X Mark II 07:24 A9 II

How about other alternatives? Do the specifications of the Canon G7 X Mark II and the Sony A9 II place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best Mirrorless Interchangeable Lens 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 remains partial and cannot reveal, for example, the shooting experience and imaging performance when actually working with the G7X Mark II or the A9 II. 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 expert reviews are important. The table below provides a synthesis of the camera assessments of some of the best known photo-gear 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 G7 X Mark II4.5/5+ +81/1004.5/54.5/5 Feb 2016 699i
2.
 
Sony A9 II....90/1005/55/5 Oct 2019 4,499 i
3.
 
Canon G7 X Mark III..+ +81/1004/5.. Jul 2019 749 i
4.
 
Canon G5 X5/5+ +78/1004.5/54.5/5 Oct 2015 799i
5.
 
Canon G9 X3.5/5+ +..4.5/54.5/5 Oct 2015 529i
6.
 
Canon M34/5o75/1004.5/54/5 Feb 2015 679i
7.
 
Canon G7 X4/5+ +77/1004.5/54.5/5 Sep 2014 699i
8.
 
Panasonic LX10..+ +81/1004/54.5/5 Sep 2016 699 i
9.
 
Sony A7 III..+ +89/1005/55/5 Feb 2018 1,999 i
10.
 
Sony A95/5+ +89/1005/55/5 Apr 2017 4,499i
11.
 
Sony RX100 V4.5/5+ +83/1004/54.5/5 Oct 2016 999 i
12.
 
Sony A7S II5/5+..4.5/55/5 Sep 2015 2,999i
13.
 
Sony RX100 IV4.5/5+ +85/1004/54.5/5 Jun 2015 999i
14.
 
Sony A7 II5/5+82/1004.5/55/5 Nov 2014 1,999i
15.
 
Sony RX100 III5/5+ +82/1004.5/55/5 May 2014 799i
16.
 
Sony RX100 II5/5+ +79/1004.5/54.5/5 Jun 2013 749i
17.
 
Sony A995/5..84/1004.5/54.5/5 Sep 2012 2,799i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

Care should be taken when interpreting the review scores above, 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 G7 X Mark II:
Check Ebay offers
Sony A9 II:
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 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: Canon G7 X Mark II vs Sony A9 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 Specifications
    Camera Model Canon G7 X Mark II Sony A9 II
    Camera Type Fixed lens compact camera Mirrorless system camera
    Camera Lens 24-100mm f/1.8-2.8 Sony E mount lenses
    Launch Date February 2016 October 2019
    Launch Price USD 699 USD 4,499
    Sensor Specs Canon G7 X Mark II Sony A9 II
    Sensor Technology BSI-CMOS BSI-CMOS
    Sensor Format 1" Sensor Full Frame Sensor
    Sensor Size 13.2 x 8.8 mm 35.6 x 23.8 mm
    Sensor Area 116.16 mm2 847.28 mm2
    Sensor Diagonal 15.9 mm 42.8 mm
    Crop Factor 2.7x 1.0x
    Sensor Resolution 20 Megapixels 24 Megapixels
    Image Resolution 5472 x 3648 pixels 6000 x 4000 pixels
    Pixel Pitch 2.41 μm 5.94 μm
    Pixel Density 17.18 MP/cm2 2.83 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 4K/30p Video
    ISO Setting 125 - 12,800 ISO 100 - 51,200 ISO
    ISO Boost 125 - 25,600 ISO 50 - 204,800 ISO
    Image Processor DIGIC 7 BIONZ X
    DXO Sensor Quality (score) .. 93
    DXO Color Depth (bits) .. 25.0
    DXO Dynamic Range (EV) .. 14.0
    DXO Low Light (ISO) .. 3434
    Screen Specs Canon G7 X Mark II Sony A9 II
    Viewfinder Type no viewfinder Electronic 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 1040k dots 1440k dots
    LCD Attachment Tilting screen Tilting screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon G7 X Mark II Sony A9 II
    Focus System Contrast-detect AF On-Sensor Phase-detect
    Manual Focusing AidFocus PeakingFocus Peaking
    Max Shutter Speed (mechanical) 1/2000s 1/8000s
    Continuous Shooting 8 shutter flaps/s 10 shutter flaps/s
    Electronic Shutterno E-Shutterup to 1/32000s
    Time-Lapse PhotographyIntervalometer built-inIntervalometer built-in
    Image StabilizationLens-based stabilizationIn-body stabilization
    Fill Flash Build-in Flash no On-Board Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Dual card slots
    UHS card support UHS-I Dual UHS-II
    Connectivity Specs Canon G7 X Mark II Sony A9 II
    External Flash no Hotshoe Hotshoe
    Studio Flash no PC Sync PC Sync socket
    USB Connector USB 2.0 USB 3.1
    HDMI Port micro HDMI micro HDMI
    Microphone Port no MIC socket External MIC port
    Headphone Socket no Headphone port Headphone port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Bluetooth Support no Bluetooth Bluetooth built-in
    Body Specs Canon G7 X Mark II Sony A9 II
    Environmental Sealingnot weather sealedWeathersealed body
    Battery Type NB-13L NP-FZ100
    Battery Life (CIPA)265 shots per charge690 shots per charge
    In-Camera Charging USB charging USB charging
    Body Dimensions 106 x 61 x 42 mm
    (4.2 x 2.4 x 1.7 in)
    129 x 96 x 76 mm
    (5.1 x 3.8 x 3.0 in)
    Camera Weight 319 g (11.3 oz) 678 g (23.9 oz)

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